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Analog Noise Suppression

High Performance Audio

High Performance Audio Amplifiers & Drivers

Special Audio & Haptic Drivers

Audio Subsystems

LM49155 - Uplink Noise Suppression & Downlink SNR Enhancement Analog Audio Subsystem
LM49352 - Mono Class D Audio Codec Subsystem with Ground Referenced Headphone Amplifiers, Earpiece Driver, and Audio DSP
LM49151 - Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
LM49350 - High Performance Audio Codec Sub-System with a Ground-Referenced Stereo Headphone Amplifier & Ultra Low EMI Class D Loudspeaker Amplifier with Dual I2S/PCM Digital Audio Interfaces
LM49321 - Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
LM49150 - Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers
LM49120 - Audio Sub-System with Mono Class AB Loudspeaker Amplifier and Stereo OCL/SE Headphone Amplifier

Analog Noise Suppression

LMV1099 - Uplink Far Field Noise Suppression & Downlink SNR Enhancing Microphone Amplifier with Earpiece Driver

Audio Speaker Amplifiers

LM48824 - Class G Headphone Amplifier with I2C Volume Control

High Performance Audio

LME49600 - High Performance, High Fidelity, High Current Audio Buffer

LME49600 high performance audio buffer honored
with the prestigious 2008 Product of the Year Award

New Technical Documents

Class D Amplifier FAQs Covers amplifier selection, & filters, Zobel circuits, testing, and PCB layout & grounding Audio Education Series eBooks These interactive ebooks address common audio design considerations	Headphone Amplifiers: Choose the Right Topology for Your Application (article) Use microphone arrays for background acoustic noise suppression in portables (Part 1 / Part 2) Overture Design Guide (xls 321KB) and User's Guide (pdf 105KB) LM4651/52 Class D FAQs

Browse All Audio App Notes & Technical Documents

How to use this table: Click column to sort, drag column edge to adjust width, enter text to search within column, <X or >X to filter less or greater than X, and X..Y to filter range.<?xml version="1.0" encoding="UTF-8"?> <rows><row><cell>25-Sep-2002</cell><cell>AN-390</cell><cell><![CDATA[<div style='display:none'>DNR Applications of the LM1894</div><a href='/an/AN/AN-390.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-390.pdf'); ">DNR Applications of the LM1894</a>]]></cell><cell><![CDATA[LM1894, LM13600, LM387, LM832, LM1036]]></cell><cell>Noise Reduction</cell><cell>App Note</cell></row><row><cell>08-Aug-2005</cell><cell></cell><cell><![CDATA[<div style='display:none'>Cellular Handset Audio Evolution Series - Part 1: The Evolution of the Cell Phone</div><a href='http://www.audiodesignline.com/showArticle.jhtml?articleID=167600374' >Cellular Handset Audio Evolution Series - Part 1: The Evolution of the Cell Phone</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>15-May-2009</cell><cell></cell><cell><![CDATA[<div style='display:none'>Mixed-Signal Audio Subsystem Enables High-Performance Audio in Portable Electronics</div><a href='http://www.mobilehandsetdesignline.com/showArticle.jhtml;jsessionid=4SBNS023TPOZUQSNDLRSKH0CJUNN2JVN?articleID=217500311&queryText=John+Guy' >Mixed-Signal Audio Subsystem Enables High-Performance Audio in Portable Electronics</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>20-Apr-2006</cell><cell>AN-1440</cell><cell><![CDATA[<div style='display:none'>LM4962 Stereo Ceramic Speaker Driver Application Note</div><a href='/an/AN/AN-1440.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1440.pdf'); ">LM4962 Stereo Ceramic Speaker Driver Application Note</a>]]></cell><cell><![CDATA[LM4962, LM4951]]></cell><cell>Speaker Driver</cell><cell>App Note</cell></row><row><cell>04-Nov-1995</cell><cell>AN-69</cell><cell><![CDATA[<div style='display:none'>LM380 Power Audio Amplifier</div><a href='/an/AN/AN-69.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-69.pdf'); ">LM380 Power Audio Amplifier</a>]]></cell><cell><![CDATA[LM380]]></cell><cell>Audio Amplifier</cell><cell>App Note</cell></row><row><cell>28-Apr-2008</cell><cell>AN-1496</cell><cell><![CDATA[<div style='display:none'>Noise, TDMA Noise, and Suppression Techniques</div><a href='/an/AN/AN-1496.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1496.pdf'); ">Noise, TDMA Noise, and Suppression Techniques</a>]]></cell><cell><![CDATA[LM4845, LM4946]]></cell><cell>Audio Amplifier, Boomer</cell><cell>App Note</cell></row><row><cell>17-Jun-2009</cell><cell>AN-1832</cell><cell><![CDATA[<div style='display:none'>LMV1089 Noise Suppression Microphone Amplifier Demo Board User's Guide</div><a href='/an/AN/AN-1832.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1832.pdf'); ">LMV1089 Noise Suppression Microphone Amplifier Demo Board User's Guide</a>]]></cell><cell><![CDATA[LMV1089, LMV1090]]></cell><cell>Noise Reduction, Microphone</cell><cell>App Note</cell></row><row><cell>26-May-2006</cell><cell>AN-1452</cell><cell><![CDATA[<div style='display:none'>LM4985 Evaluation Board User's Guide</div><a href='/an/AN/AN-1452.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1452.pdf'); ">LM4985 Evaluation Board User's Guide</a>]]></cell><cell><![CDATA[LM4985]]></cell><cell>Headphone Amplifier</cell><cell>App Note</cell></row><row><cell>04-Oct-2004</cell><cell>AN-146</cell><cell><![CDATA[<div style='display:none'>FM Remote Speaker System</div><a href='/an/AN/AN-146.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-146.pdf'); ">FM Remote Speaker System</a>]]></cell><cell><![CDATA[LM566, LM565, LM380]]></cell><cell>PLL</cell><cell>App Note</cell></row><row><cell>14-Aug-2007</cell><cell>AN-1614</cell><cell><![CDATA[<div style='display:none'>LM48510 Speaker Application Note</div><a href='/an/AN/AN-1614.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1614.pdf'); ">LM48510 Speaker Application Note</a>]]></cell><cell><![CDATA[LM48510, LM4673]]></cell><cell>Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>02-Nov-2007</cell><cell>AN-1737</cell><cell><![CDATA[<div style='display:none'>Managing EMI in Class D Audio Applications</div><a href='/an/AN/AN-1737.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1737.pdf'); ">Managing EMI in Class D Audio Applications</a>]]></cell><cell><![CDATA[LM48511]]></cell><cell>Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>02-May-2004</cell><cell>AN-299</cell><cell><![CDATA[<div style='display:none'>Audio Applications of Linear Integrated Circuits</div><a href='/an/AN/AN-299.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-299.pdf'); ">Audio Applications of Linear Integrated Circuits</a>]]></cell><cell><![CDATA[LM329, LM3046, LM394, LM118, LM10, DAC1020]]></cell><cell></cell><cell>App Note</cell></row><row><cell>09-Mar-2010</cell><cell>AN-1680</cell><cell><![CDATA[<div style='display:none'>LM49250 Evaluation Board User Guide</div><a href='/an/AN/AN-1680.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1680.pdf'); ">LM49250 Evaluation Board User Guide</a>]]></cell><cell><![CDATA[LM49250]]></cell><cell>Subsystem, Class D, Headphone</cell><cell>App Note</cell></row><row><cell>04-Nov-1995</cell><cell>AN-435</cell><cell><![CDATA[<div style='display:none'>Designing with the LMC835 Digital-Controlled Graphic Equalizer</div><a href='/an/AN/AN-435.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-435.pdf'); ">Designing with the LMC835 Digital-Controlled Graphic Equalizer</a>]]></cell><cell><![CDATA[LMC835]]></cell><cell></cell><cell>App Note</cell></row><row><cell>06-Mar-2008</cell><cell>AN-1784</cell><cell><![CDATA[<div style='display:none'>LMV1022 / LMV1023 Digital Output PDM Microphone Amplifier Demo Board User's Guide</div><a href='/an/AN/AN-1784.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1784.pdf'); ">LMV1022 / LMV1023 Digital Output PDM Microphone Amplifier Demo Board User's Guide</a>]]></cell><cell><![CDATA[LMV1022, LMV1023, LMV1024, LMV1026, LM4562]]></cell><cell>Microphone</cell><cell>App Note</cell></row><row><cell>16-Mar-2007</cell><cell>AN-1528</cell><cell><![CDATA[<div style='display:none'>Using AC'97 Codecs in Non-PC Systems</div><a href='/an/AN/AN-1528.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1528.pdf'); ">Using AC'97 Codecs in Non-PC Systems</a>]]></cell><cell><![CDATA[LM4546, LM4549, LM4550, LMV751]]></cell><cell>Subsystem, AC’97, Audio Amplifier</cell><cell>App Note</cell></row><row><cell>17-Jul-2007</cell><cell>AN-1591</cell><cell><![CDATA[<div style='display:none'>The LM49370 PCM/I 2 S Bridge</div><a href='/an/AN/AN-1591.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1591.pdf'); ">The LM49370 PCM/I 2 S Bridge</a>]]></cell><cell><![CDATA[LM49370]]></cell><cell>Subsystem, Audio Amplifier, Class D, Boomer</cell><cell>App Note</cell></row><row><cell>23-Sep-2002</cell><cell>AN-384</cell><cell><![CDATA[<div style='display:none'>Audio Noise Reduction and Masking</div><a href='/an/AN/AN-384.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-384.pdf'); ">Audio Noise Reduction and Masking</a>]]></cell><cell><![CDATA[LM1894]]></cell><cell>Noise Reduction</cell><cell>App Note</cell></row><row><cell>15-Jun-2004</cell><cell>AN-1192</cell><cell><![CDATA[<div style='display:none'>Overture™ Series High Power Solutions</div><a href='/an/AN/AN-1192.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1192.pdf'); ">Overture™ Series High Power Solutions</a>]]></cell><cell><![CDATA[LM3886]]></cell><cell>Audio Amplifier, Overture</cell><cell>App Note</cell></row><row><cell>05-Nov-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Class D Amplifier FAQs</div><a href='/vcm/national3/en_US/resources/external_article/ClassDAmplifierFAQ.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/ClassDAmplifierFAQ.pdf'); ">Class D Amplifier FAQs</a>]]></cell><cell><![CDATA[LM48510, LM4675, LM48310, LME49740]]></cell><cell></cell><cell>External Article</cell></row><row><cell>20-Sep-2002</cell><cell>AN-898</cell><cell><![CDATA[<div style='display:none'>Audio Amplifiers Utilizing: SPiKe Protection</div><a href='/an/AN/AN-898.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-898.pdf'); ">Audio Amplifiers Utilizing: SPiKe Protection</a>]]></cell><cell><![CDATA[LM2876, LM3876, LM3886, LM3875]]></cell><cell>Audio Amplifier</cell><cell>App Note</cell></row><row><cell>26-Feb-2009</cell><cell></cell><cell><![CDATA[<div style='display:none'>Powering The Signal Path: Using an integrated flyback IC along with post filtering will deliver a high-performance split-rail supply</div><a href='http://electronicdesign.com/article/power/powering-the-signal-path20663.aspx' >Powering The Signal Path: Using an integrated flyback IC along with post filtering will deliver a high-performance split-rail supply</a>]]></cell><cell><![CDATA[LM2611, LM5001, LM5000, LM431, LMV431]]></cell><cell>Split Rail, Switcher, Buck, Boost, Flyback, Power Supply Design</cell><cell>External Article</cell></row><row><cell>09-May-2007</cell><cell>AN-1609</cell><cell><![CDATA[<div style='display:none'>LM49370 Demonstration Board Guide</div><a href='/an/AN/AN-1609.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1609.pdf'); ">LM49370 Demonstration Board Guide</a>]]></cell><cell><![CDATA[LM49370]]></cell><cell>Subsystem, Audio Amplifier, Class D, Boomer, Headphone Amplifier</cell><cell>App Note</cell></row><row><cell>04-Nov-1995</cell><cell>AN-446</cell><cell><![CDATA[<div style='display:none'>A 150W IC Op Amp Simplifies Design of Power Circuits</div><a href='/an/AN/AN-446.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-446.pdf'); ">A 150W IC Op Amp Simplifies Design of Power Circuits</a>]]></cell><cell><![CDATA[LM12, LM318]]></cell><cell>Op Amp</cell><cell>App Note</cell></row><row><cell>03-Jul-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Use microphone arrays for background acoustic noise suppression in portables (Part 1 of 2)</div><a href='http://www.audiodesignline.com/showArticle.jhtml;jsessionid=OYALHZT5QDJX2QSNDLPCKHSCJUNN2JVN?articleID=209100302&queryText=boyce' >Use microphone arrays for background acoustic noise suppression in portables (Part 1 of 2)</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>13-Feb-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Headphone Amplifiers: Choose the Right Topology for Your Application</div><a href='http://www.audiodesignline.com/howto/206503144' >Headphone Amplifiers: Choose the Right Topology for Your Application</a>]]></cell><cell><![CDATA[LM4810, LM4562, LME9600]]></cell><cell></cell><cell>External Article</cell></row><row><cell>24-May-2007</cell><cell>AN-1638</cell><cell><![CDATA[<div style='display:none'>LM49270 Demonstration Board</div><a href='/an/AN/AN-1638.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1638.pdf'); ">LM49270 Demonstration Board</a>]]></cell><cell><![CDATA[LM49270]]></cell><cell>Subsystem, Audio Amplifier, Class D, Headphone Amplifier</cell><cell>App Note</cell></row><row><cell>14-May-2007</cell><cell>AN-1589</cell><cell><![CDATA[<div style='display:none'>LM48821 Evaluation Board User's Guide</div><a href='/an/AN/AN-1589.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1589.pdf'); ">LM48821 Evaluation Board User's Guide</a>]]></cell><cell><![CDATA[LM48821]]></cell><cell>Headphone Amplifier</cell><cell>App Note</cell></row><row><cell>11-Jul-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Use microphone arrays for background acoustic noise suppression in portables (Part 2 of 2)</div><a href='http://www.audiodesignline.com/showArticle.jhtml;jsessionid=OYALHZT5QDJX2QSNDLPCKHSCJUNN2JVN?articleID=209100303&queryText=boyce' >Use microphone arrays for background acoustic noise suppression in portables (Part 2 of 2)</a>]]></cell><cell><![CDATA[LMV1088]]></cell><cell></cell><cell>External Article</cell></row><row><cell>12-Jun-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Programmable Current Source Requires No Power Supply</div><a href='http://www.edn.com/index.asp?layout=article&articleid=CA6566536' >Programmable Current Source Requires No Power Supply</a>]]></cell><cell><![CDATA[LM317]]></cell><cell></cell><cell>External Article</cell></row><row><cell>26-May-2006</cell><cell>AN-1490</cell><cell><![CDATA[<div style='display:none'>LM4702 Power Amplifier</div><a href='/an/AN/AN-1490.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1490.pdf'); ">LM4702 Power Amplifier</a>]]></cell><cell><![CDATA[LM4702]]></cell><cell>Audio Amplifier, Performance</cell><cell>App Note</cell></row><row><cell>19-Oct-2007</cell><cell>AN-1622</cell><cell><![CDATA[<div style='display:none'>LM49100 Evaluation Board User's Guide</div><a href='/an/AN/AN-1622.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1622.pdf'); ">LM49100 Evaluation Board User's Guide</a>]]></cell><cell><![CDATA[LM49100]]></cell><cell>Subsystem, Audio Amplifier, Class AB, Headphone Amplifier</cell><cell>App Note</cell></row><row><cell>20-Apr-2006</cell><cell>AN-1441</cell><cell><![CDATA[<div style='display:none'>LM4962 Evaluation Board</div><a href='/an/AN/AN-1441.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1441.pdf'); ">LM4962 Evaluation Board</a>]]></cell><cell><![CDATA[LM4962, LM4951]]></cell><cell>Speaker Driver</cell><cell>App Note</cell></row><row><cell>26-May-2006</cell><cell>AN-1488</cell><cell><![CDATA[<div style='display:none'>LM4681 Demonstration Board User's Guide</div><a href='/an/AN/AN-1488.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1488.pdf'); ">LM4681 Demonstration Board User's Guide</a>]]></cell><cell><![CDATA[LM4681]]></cell><cell>Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>05-Nov-2008</cell><cell>AN-1922</cell><cell><![CDATA[<div style='display:none'>LM48511 Evaluation Board User's Guide</div><a href='/an/AN/AN-1922.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1922.pdf'); ">LM48511 Evaluation Board User's Guide</a>]]></cell><cell><![CDATA[LM48511]]></cell><cell>Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>01-May-1998</cell><cell>AN-446B</cell><cell><![CDATA[<div style='display:none'>A Monolithic Power Op Amp</div><a href='/an/AN/AN-446B.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-446B.pdf'); ">A Monolithic Power Op Amp</a>]]></cell><cell><![CDATA[LM12]]></cell><cell>Op Amp</cell><cell>App Note</cell></row><row><cell>04-Apr-2007</cell><cell>AN-1611</cell><cell><![CDATA[<div style='display:none'>LM48555 Evaluation Board</div><a href='/an/AN/AN-1611.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1611.pdf'); ">LM48555 Evaluation Board</a>]]></cell><cell><![CDATA[LM48555, LM4962]]></cell><cell>Speaker Driver</cell><cell>App Note</cell></row><row><cell>13-May-2009</cell><cell>AN-1964</cell><cell><![CDATA[<div style='display:none'>LM49151 Demonstration Board and Software Guide</div><a href='/an/AN/AN-1964.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1964.pdf'); ">LM49151 Demonstration Board and Software Guide</a>]]></cell><cell><![CDATA[LM49151]]></cell><cell>Audio Amplifiers, Class D, Headphone</cell><cell>App Note</cell></row><row><cell>24-Apr-2006</cell><cell>AN-1432</cell><cell><![CDATA[<div style='display:none'>The LM4935 Headset/Push-Button Detection Guide</div><a href='/an/AN/AN-1432.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1432.pdf'); ">The LM4935 Headset/Push-Button Detection Guide</a>]]></cell><cell><![CDATA[LM4935]]></cell><cell>Subsystem</cell><cell>App Note</cell></row><row><cell>04-Sep-2005</cell><cell></cell><cell><![CDATA[<div style='display:none'>Cellular Handset Audio Evolution Series - Part 4: Future Audio Architecture in Cellular Handsets</div><a href='http://www.audiodesignline.com/showArticle.jhtml?articleID=170700389' >Cellular Handset Audio Evolution Series - Part 4: Future Audio Architecture in Cellular Handsets</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>21-Aug-2005</cell><cell></cell><cell><![CDATA[<div style='display:none'>Cellular Handset Audio Evolution Series - Part 2: Gaming on Your Phone</div><a href='http://www.audiodesignline.com/showArticle.jhtml?articleID=169400984' >Cellular Handset Audio Evolution Series - Part 2: Gaming on Your Phone</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>02-Dec-2008</cell><cell>AN-1850</cell><cell><![CDATA[<div style='display:none'>LME49830TB Ultra-High Fidelity High Power Amplifier Reference Design</div><a href='/an/AN/AN-1850.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1850.pdf'); ">LME49830TB Ultra-High Fidelity High Power Amplifier Reference Design</a>]]></cell><cell><![CDATA[LME49830]]></cell><cell>Audio Amplifier, Performance, Op Amp</cell><cell>App Note</cell></row><row><cell>25-Sep-2002</cell><cell>AN-346</cell><cell><![CDATA[<div style='display:none'>High-Performance Audio Applications of The LM833</div><a href='/an/AN/AN-346.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-346.pdf'); ">High-Performance Audio Applications of The LM833</a>]]></cell><cell><![CDATA[LM833, LM394]]></cell><cell>Audio Amplifier</cell><cell>App Note</cell></row><row><cell>24-Apr-2006</cell><cell>AN-1451</cell><cell><![CDATA[<div style='display:none'>LM4935 Automatic Gain Control</div><a href='/an/AN/AN-1451.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1451.pdf'); ">LM4935 Automatic Gain Control</a>]]></cell><cell><![CDATA[LM4935]]></cell><cell>Subsystem</cell><cell>App Note</cell></row><row><cell>04-Oct-2004</cell><cell>AN-147</cell><cell><![CDATA[<div style='display:none'>Low Cost IC Stereo Receiver</div><a href='/an/AN/AN-147.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-147.pdf'); ">Low Cost IC Stereo Receiver</a>]]></cell><cell><![CDATA[LM3089, LM3820, LM2878, LM382, LM1800, LM378]]></cell><cell></cell><cell>App Note</cell></row><row><cell>23-Sep-2002</cell><cell>AN-386</cell><cell><![CDATA[<div style='display:none'>A Non-Complementary Audio Noise Reduction System</div><a href='/an/AN/AN-386.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-386.pdf'); ">A Non-Complementary Audio Noise Reduction System</a>]]></cell><cell><![CDATA[LM832, LM1894, LM3915]]></cell><cell>Noise Reduction</cell><cell>App Note</cell></row><row><cell>10-Jul-2007</cell><cell>AN-1651</cell><cell><![CDATA[<div style='display:none'>Keeping Up with the Expanding Demands of High-Performance Audio</div><a href='/an/AN/AN-1651.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1651.pdf'); ">Keeping Up with the Expanding Demands of High-Performance Audio</a>]]></cell><cell><![CDATA[LME49710, LM4562]]></cell><cell>Audio Amplifier, Performance</cell><cell>App Note</cell></row><row><cell>11-Jun-2009</cell><cell>SPD-118</cell><cell><![CDATA[<div style='display:none'>PowerWise® Class G versus Class AB Headphone Amplifiers</div><a href='/vcm/national3/en_US/resources/signal_path_designer/national_sp_designer118.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/national_sp_designer118.pdf'); ">PowerWise® Class G versus Class AB Headphone Amplifiers</a>]]></cell><cell><![CDATA[LM48824]]></cell><cell>Audio Amplifier, Class G, Class AB</cell><cell>Signal Path Designer</cell></row><row><cell>05-Apr-2010</cell><cell></cell><cell><![CDATA[<div style='display:none'>Adapting a Motor Driver IC for PWM Signal Sources</div><a href='http://i.cmpnet.com/planetanalog/2010/04/C0535edited.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/C0535edited.pdf'); ">Adapting a Motor Driver IC for PWM Signal Sources</a>]]></cell><cell><![CDATA[LM4570]]></cell><cell>Haptic Driver, Motor Driver, PWM</cell><cell>External Article</cell></row><row><cell>24-Feb-2008</cell><cell>AN-1767</cell><cell><![CDATA[<div style='display:none'>LME49721 Evaluation Board</div><a href='/an/AN/AN-1767.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1767.pdf'); ">LME49721 Evaluation Board</a>]]></cell><cell><![CDATA[LME49721]]></cell><cell>Audio Amplifier, Performance, Op Amp</cell><cell>App Note</cell></row><row><cell>12-Nov-2009</cell><cell>AN-1989</cell><cell><![CDATA[<div style='display:none'>LMV1091 Noise Suppression Microphone Amplifier Evaluation Kit User's Guide</div><a href='/an/AN/AN-1989.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1989.pdf'); ">LMV1091 Noise Suppression Microphone Amplifier Evaluation Kit User's Guide</a>]]></cell><cell><![CDATA[LMV1091]]></cell><cell>Noise Reduction, Microphone</cell><cell>App Note</cell></row><row><cell>18-Jul-2007</cell><cell>AN-1567</cell><cell><![CDATA[<div style='display:none'>LM4949 Demonstration Board</div><a href='/an/AN/AN-1567.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1567.pdf'); ">LM4949 Demonstration Board</a>]]></cell><cell><![CDATA[LM4949]]></cell><cell>Subsystem, Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>01-Jan-2007</cell><cell></cell><cell><![CDATA[<div style='display:none'>Reducing EMI in Class D Audio Applications by Spread Spectrum Modulation Techniques</div><a href='http://low-powerdesign.com/article_mcculley_112409.htm' >Reducing EMI in Class D Audio Applications by Spread Spectrum Modulation Techniques</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row><row><cell>25-May-2006</cell><cell>AN-1492</cell><cell><![CDATA[<div style='display:none'>LM4934 I2C/SPI Interface Software Manual v1.0</div><a href='/an/AN/AN-1492.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1492.pdf'); ">LM4934 I2C/SPI Interface Software Manual v1.0</a>]]></cell><cell><![CDATA[LM4934]]></cell><cell>Subsystem</cell><cell>App Note</cell></row><row><cell>01-Jul-2009</cell><cell>AN-1948</cell><cell><![CDATA[<div style='display:none'>LMV1090 Noise Suppression Microphone Amplifier Evaluation Kit User's Guide</div><a href='/an/AN/AN-1948.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1948.pdf'); ">LMV1090 Noise Suppression Microphone Amplifier Evaluation Kit User's Guide</a>]]></cell><cell><![CDATA[LMV1090]]></cell><cell>Noise Reduction, Microphone</cell><cell>App Note</cell></row><row><cell>29-Feb-2008</cell><cell>AN-1768</cell><cell><![CDATA[<div style='display:none'>LME49600 Headphone Amplifier Evaluation Board User's Guide</div><a href='/an/AN/AN-1768.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1768.pdf'); ">LME49600 Headphone Amplifier Evaluation Board User's Guide</a>]]></cell><cell><![CDATA[LME49600, LME49720]]></cell><cell>Audio Amplifier, Performance, Op Amp, Headphone</cell><cell>App Note</cell></row><row><cell>24-May-2006</cell><cell>AN-1497</cell><cell><![CDATA[<div style='display:none'>Filterless Class D Amplifiers</div><a href='/an/AN/AN-1497.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1497.pdf'); ">Filterless Class D Amplifiers</a>]]></cell><cell><![CDATA[LM4673]]></cell><cell>Audio Amplifier, Class D</cell><cell>App Note</cell></row><row><cell>15-Mar-2010</cell><cell>AN-1849</cell><cell><![CDATA[<div style='display:none'>An Audio Amplifier Power Supply Design</div><a href='/an/AN/AN-1849.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1849.pdf'); ">An Audio Amplifier Power Supply Design</a>]]></cell><cell><![CDATA[LME49811, LME49830]]></cell><cell>Power Supply Design, Audio Amplifier, Performance</cell><cell>App Note</cell></row><row><cell>24-May-2007</cell><cell>AN-1645</cell><cell><![CDATA[<div style='display:none'>LM4702 Driving a MOSFET Output Stage</div><a href='/an/AN/AN-1645.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AN-1645.pdf'); ">LM4702 Driving a MOSFET Output Stage</a>]]></cell><cell><![CDATA[LM4702]]></cell><cell>Audio Amplifier, Performance</cell><cell>App Note</cell></row><row><cell>10-Nov-2008</cell><cell></cell><cell><![CDATA[<div style='display:none'>Matching and Tuning Audio Amplifier Output Stability and Sound Performance</div><a href='http://www.planetanalog.com/features/showArticle.jhtml;jsessionid=PN40LVRO0KPCOQSNDLPSKHSCJUNN2JVN?articleID=212001717' >Matching and Tuning Audio Amplifier Output Stability and Sound Performance</a>]]></cell><cell><![CDATA[LME49810]]></cell><cell></cell><cell>External Article</cell></row><row><cell>06-Mar-2003</cell><cell>AB-118</cell><cell><![CDATA[<div style='display:none'>Audio Amplifier Drives Thermoelectric Cooler For OC-48 Laser Module</div><a href='/vcm/national3/en_US/resources/app_briefs/AppBrief118.pdf' onclick="javascript: pageTracker._trackPageview('/analog/audio/download/AppBrief118.pdf'); ">Audio Amplifier Drives Thermoelectric Cooler For OC-48 Laser Module</a>]]></cell><cell><![CDATA[LM4860]]></cell><cell></cell><cell>Other</cell></row><row><cell>15-Mar-2006</cell><cell></cell><cell><![CDATA[<div style='display:none'>How Audio Products Will Impact Your Future</div><a href='http://www.audiodesignline.com/howto/showArticle.jhtml;jsessionid=2JNUZJBLQ42JUQSNDBESKHA?articleID=181503820' >How Audio Products Will Impact Your Future</a>]]></cell><cell><![CDATA[]]></cell><cell></cell><cell>External Article</cell></row></rows>

LMV108x/9x Analog Noise-Suppression Technology

The LMV108x/9x ICs are fully analog dual-input microphone array amplifiers that reduce background acoustic noise, while delivering superb speech. They are ideal for a variety of voice communication applications including handsets, powered headsets, and mobile radios.

These products are easy to integrate into any handset or headset design. No extensive design or software changes are required. Part of the PowerWise® family of energy-efficient solutions, the chips just 1 mA or 1/10th to 1/20th the power of comparable digital DSP and CPU software-based systems.

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Less than 1/10th to 1/20th the power of digital solutions
Superior, natural voice clarity
85 dB PSRR at 1 KHz, 60 dB SNR, 1% THD+N
Rapid system integration; no voice processing software code
Serial bus and pin-programmable control options
Single and dual channel versions
On-chip calibration circuitry and EEPROM
Space-saving packages
Get more info on National's noise suppression products

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Audio Eval Board Resources

Browse All Audio Eval Boards & Reference Designs

How to use this table: Click column to sort, drag column edge to adjust width, enter text to search within column, <X or >X to filter less or greater than X, and X..Y to filter range.<?xml version="1.0" encoding="UTF-8"?> <rows><row><cell>20-Apr-2010</cell><cell>RD-184</cell><cell><![CDATA[Low Noise Split Rail Non-Isolated Boost +/- 12V Power Supply^http://www.national.com/rd/RDhtml/RD-184.html^]]></cell><cell>LM5001, LM5002</cell><cell>Split Rail, Switcher, Boost, Flyback, SEPIC, Regulator</cell><cell>Reference Design</cell></row><row><cell></cell><cell>LM49321RLEVAL</cell><cell><![CDATA[LM49321 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49321RLEVAL^]]></cell><cell>LM49321</cell><cell></cell><cell>Eval Board</cell></row><row><cell>19-Feb-2008</cell><cell>LME49723MABD</cell><cell><![CDATA[36V High Performance, High Fidelity Dual Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49723MABD^]]></cell><cell>LME49723</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM48821TLEVAL</cell><cell><![CDATA[Direct Coupled, Ultra Low Noise, 52mW Differential Input Stereo Headphone^http://www.national.com/store/view_item/index.html?nsid=LM48821TLEVAL^]]></cell><cell>LM48821</cell><cell>Headphone Amplifier</cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4906LDBD</cell><cell><![CDATA[1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain^http://www.national.com/store/view_item/index.html?nsid=LM4906LDBD^]]></cell><cell>LM4906</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Aug-2006</cell><cell>LM4562MABD</cell><cell><![CDATA[Dual High Performance, High Fidelity Audio Operational Amplifier (8-pin, SOIC Narrow)^http://www.national.com/store/view_item/index.html?nsid=LM4562MABD^]]></cell><cell>LM4562</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4908LQBD</cell><cell><![CDATA[LM4908 10kV ESD Rated, Dual 120mW Headphone Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4908LQBD^]]></cell><cell>LM4908</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Oct-2005</cell><cell>LM4734TABD</cell><cell><![CDATA[3 Channel 20W Audio Power Amplifier with Mute and Standby^http://www.national.com/store/view_item/index.html?nsid=LM4734TABD^]]></cell><cell>LM4734</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Oct-2005</cell><cell>LM4781TABD</cell><cell><![CDATA[High-Performance 40 Watt Audio Power Amplifier w/Mute^http://www.national.com/store/view_item/index.html?nsid=LM4781TABD^]]></cell><cell>LM4781</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4819MBD</cell><cell><![CDATA[350mW Audio Power Amplifier with Shutdown Mode^http://www.national.com/store/view_item/index.html?nsid=LM4819MBD^]]></cell><cell>LM4819</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4923LQBD</cell><cell><![CDATA[1.1 Watt Fully Differential Audio Power Amplifier With Shutdown Select^http://www.national.com/store/view_item/index.html?nsid=LM4923LQBD^]]></cell><cell>LM4923</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4879MMBD</cell><cell><![CDATA[1.1 Watt Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4879MMBD^]]></cell><cell>LM4879</cell><cell></cell><cell>Eval Board</cell></row><row><cell>30-Apr-2008</cell><cell>LM48822TLEVAL</cell><cell><![CDATA[LM48822TLEVAL Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM48822TLEVAL^]]></cell><cell>LM48822</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4961LQBD</cell><cell><![CDATA[Ceramic Speaker Driver^http://www.national.com/store/view_item/index.html?nsid=LM4961LQBD^]]></cell><cell>LM4961</cell><cell></cell><cell>Eval Board</cell></row><row><cell>15-Jul-2009</cell><cell>LM48557TLEVAL</cell><cell><![CDATA[LM48557TLEVAL Demo Board^http://www.national.com/store/view_item/index.html?nsid=LM48557TLEVAL^]]></cell><cell>LM48557</cell><cell>Speaker Driver</cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4809LQBD</cell><cell><![CDATA[LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode^http://www.national.com/store/view_item/index.html?nsid=LM4809LQBD^]]></cell><cell>LM4809</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Oct-2005</cell><cell>LM4733TABD</cell><cell><![CDATA[High-Performance 40 Watt Audio Power Amplifier w/Mute^http://www.national.com/store/view_item/index.html?nsid=LM4733TABD^]]></cell><cell>LM4733</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM4946TMEVAL</cell><cell><![CDATA[Output Capacitor-Less Audio Subsystem with Programmable National 3D^http://www.national.com/store/view_item/index.html?nsid=LM4946TMEVAL^]]></cell><cell>LM4946</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Oct-2005</cell><cell>LM4782TABD</cell><cell><![CDATA[3 Channel 25W Audio Power Amplifier with Mute and Standby^http://www.national.com/store/view_item/index.html?nsid=LM4782TABD^]]></cell><cell>LM4782</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Nov-2006</cell><cell>LME49710HABD</cell><cell><![CDATA[High Performance, High Fidelity Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49710HABD^]]></cell><cell>LME49710</cell><cell></cell><cell>Eval Board</cell></row><row><cell>08-Dec-2006</cell><cell>LM4941SDBD</cell><cell><![CDATA[LM4941SD Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM4941SDBD^]]></cell><cell>LM4941</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LMV1089RLBD</cell><cell><![CDATA[LM1089VY Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LMV1089RLBD^]]></cell><cell>LMV1089</cell><cell></cell><cell>Eval Board</cell></row><row><cell>09-Mar-2007</cell><cell>LME49740NABD</cell><cell><![CDATA[Quad High Performance, High Fidelity Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49740NABD^]]></cell><cell>LME49740</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LME49860NABD</cell><cell><![CDATA[44V High Performance, High Fidelity Dual Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49860NABD^]]></cell><cell>LME49860</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Aug-2008</cell><cell>LM48823TLEVAL</cell><cell><![CDATA[LM48823TLEVAL Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM48823TLEVAL^]]></cell><cell>LM48823</cell><cell></cell><cell>Eval Board</cell></row><row><cell>08-Oct-2007</cell><cell>LME49713MABD</cell><cell><![CDATA[LME49713MABD Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LME49713MABD^]]></cell><cell>LME49713</cell><cell></cell><cell>Eval Board</cell></row><row><cell>13-Dec-2005</cell><cell>LM4673TMBD</cell><cell><![CDATA[LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM4673TMBD^]]></cell><cell>LM4673</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Apr-2010</cell><cell>LM4675TLBD</cell><cell><![CDATA[Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier (Micro SMD-9)^http://www.national.com/store/view_item/index.html?nsid=LM4675TLBD^]]></cell><cell>Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier (Micro SMD-9)</cell><cell></cell><cell>Eval Board</cell></row><row><cell>13-Nov-2006</cell><cell>LME49710NABD</cell><cell><![CDATA[High Performance, High Fidelity Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49710NABD^]]></cell><cell>LME49710</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Aug-2006</cell><cell>LM4562HABD</cell><cell><![CDATA[Dual High Performance, High Fidelity Audio Operational Amplifier (8-pin, TO-5 Package)^http://www.national.com/store/view_item/index.html?nsid=LM4562HABD^]]></cell><cell>LM4562</cell><cell></cell><cell>Eval Board</cell></row><row><cell>08-Dec-2005</cell><cell>LM4962TLBD</cell><cell><![CDATA[Ceramic Speaker Driver^http://www.national.com/store/view_item/index.html?nsid=LM4962TLBD^]]></cell><cell>LM4962</cell><cell></cell><cell>Eval Board</cell></row><row><cell>25-Jan-2006</cell><cell>LM4935RLEVAL</cell><cell><![CDATA[Audio Sub-System with Dual-Mode Stereo Headphone & Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC^http://www.national.com/store/view_item/index.html?nsid=LM4935RLEVAL^]]></cell><cell>LM4935</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LME49725MABD</cell><cell><![CDATA[36V High Performance, High Fidelity Dual Audio Operational Amplifier (8-pin, SOIC Package)^http://www.national.com/store/view_item/index.html?nsid=LME49725MABD^]]></cell><cell></cell><cell></cell><cell>Eval Board</cell></row><row><cell>05-Feb-2007</cell><cell>LM48510SDBD</cell><cell><![CDATA[Boosted Class D Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM48510SDBD^]]></cell><cell>LM48510</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Aug-2008</cell><cell>LM49150TLEVAL</cell><cell><![CDATA[LM49150 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49150TLEVAL^]]></cell><cell>LM49150</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-Oct-2005</cell><cell>LM4780TABD</cell><cell><![CDATA[Overture Audio Power Amplifier Series Stereo 60W, Mono 120W Audio Power Amplifier with Mute^http://www.national.com/store/view_item/index.html?nsid=LM4780TABD^]]></cell><cell>LM4780</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-May-2010</cell><cell></cell><cell><![CDATA[LMV1099 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LMV1099TLEVAL^]]></cell><cell>LMV1099</cell><cell>Audio</cell><cell>Eval Board</cell></row><row><cell>30-Mar-2009</cell><cell>LM49101TMEVAL</cell><cell><![CDATA[LM49101 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49101TMEVAL^]]></cell><cell>LM49101</cell><cell>Subsystem</cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4940TSBD</cell><cell><![CDATA[6W Stereo Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4940TSBD^]]></cell><cell>LM4940</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Aug-2006</cell><cell>LM4675SDBD</cell><cell><![CDATA[Ultra-Low EMI, Filterless, 2.65W, Mono, Class D Audio Power Amplifier (LLP-8)^http://www.national.com/store/view_item/index.html?nsid=LM4675SDBD^]]></cell><cell>LM4675</cell><cell></cell><cell>Eval Board</cell></row><row><cell>20-Feb-2008</cell><cell>LME49722MABD</cell><cell><![CDATA[36V High Performance, High Fidelity Dual Audio Operational Amplifier (8-pin, SOIC Package)^http://www.national.com/store/view_item/index.html?nsid=LME49722MABD^]]></cell><cell>LME49722</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4898MMBD</cell><cell><![CDATA[1 Watt Fully Differential Audio Power Amplifier With Shutdown Select^http://www.national.com/store/view_item/index.html?nsid=LM4898MMBD^]]></cell><cell>LM4898</cell><cell></cell><cell>Eval Board</cell></row><row><cell>17-Nov-2005</cell><cell>LM4922TLBD</cell><cell><![CDATA[Ground-Referenced, Ultra Low Noise, Fixed Gain, 80mW Stereo Headphone Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4922TLBD^]]></cell><cell></cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM48861TMBD</cell><cell><![CDATA[LM48861TMBD Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM48861TMBD^]]></cell><cell>LM48861</cell><cell></cell><cell>Eval Board</cell></row><row><cell>23-Mar-2007</cell><cell>LME49720HABD</cell><cell><![CDATA[34V High Performance, High Fidelity Dual Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49720HABD^]]></cell><cell>LME49720</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM49270SQDB</cell><cell><![CDATA[LM49270SQ Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49270SQDB^]]></cell><cell>LM49270</cell><cell>Subsystem, Audio Amplifier, Class D, Headphone Amplifier</cell><cell>Eval Board</cell></row><row><cell>13-Aug-2007</cell><cell>LM48511SQBD</cell><cell><![CDATA[The LM48511 integrates a boost converter with a high efficiency^http://www.national.com/store/view_item/index.html?nsid=LM48511SQBD^]]></cell><cell>LM48511</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4992SDBD</cell><cell><![CDATA[420mW Stereo Cell Phone Audio Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4992SDBD^]]></cell><cell>LM4992</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM49450SQEVAL</cell><cell><![CDATA[LM49450 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49450SQEVAL^]]></cell><cell>LM49450</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4802BLQBD</cell><cell><![CDATA[Audio Power Amplifier with DC-DC converter to drive Ceramic Speakers^http://www.national.com/store/view_item/index.html?nsid=LM4802BLQBD^]]></cell><cell>LM4802B</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LME49860MABD</cell><cell><![CDATA[44V High Performance, High Fidelity Dual Audio Operational Amplifier (8-pin, SOIC Package)^http://www.national.com/store/view_item/index.html?nsid=LME49860MABD^]]></cell><cell></cell><cell></cell><cell>Eval Board</cell></row><row><cell>26-Jul-2006</cell><cell>LM4949TLEVAL</cell><cell><![CDATA[Stereo Class D Audio Subsystem with OCL Headphone Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4949TLEVAL^]]></cell><cell>LM4949</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4879SDBD</cell><cell><![CDATA[1.1 Watt Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4879SDBD^]]></cell><cell>LM4879</cell><cell></cell><cell>Eval Board</cell></row><row><cell>09-Sep-2008</cell><cell>LMV1089RLEVAL</cell><cell><![CDATA[Far-Field Noise Reduction Microphone Array Amplifier^http://www.national.com/store/view_item/index.html?nsid=LMV1089RLEVAL^]]></cell><cell>LMV1089</cell><cell>Noise Reduction, Microphone</cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4906LDBD</cell><cell><![CDATA[1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain^http://www.national.com/store/view_item/index.html?nsid=LM4906LDBD^]]></cell><cell>LM4906</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LME49870MABD</cell><cell><![CDATA[44V High Performance, High Fidelity Single Audio Operational Amplifier (8-pin, SOIC Package)^http://www.national.com/store/view_item/index.html?nsid=LME49870MABD^]]></cell><cell></cell><cell></cell><cell>Eval Board</cell></row><row><cell>02-Mar-2009</cell><cell>LM49120TLEVAL</cell><cell><![CDATA[LM49120 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49120TLEVAL^]]></cell><cell>LM49120</cell><cell>Subsystem</cell><cell>Eval Board</cell></row><row><cell>27-Feb-2008</cell><cell>LM48520TLBD</cell><cell><![CDATA[LM48520TLBD Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM48520TLBD^]]></cell><cell>LM48520</cell><cell></cell><cell>Eval Board</cell></row><row><cell>23-Mar-2007</cell><cell>LME49720MABD</cell><cell><![CDATA[34V High Performance, High Fidelity Dual Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49720MABD^]]></cell><cell>LME49720</cell><cell></cell><cell>Eval Board</cell></row><row><cell>22-Feb-2007</cell><cell>LME49740MABD</cell><cell><![CDATA[Quad High Performance, High Fidelity Audio Operational Amplifier (8-pin, SOIC Package)^http://www.national.com/store/view_item/index.html?nsid=LME49740MABD^]]></cell><cell>LME49740</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM49100GREVAL</cell><cell><![CDATA[Mono Class AB Audio Subsystem with a True-Ground Headphone Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM49100GREVAL^]]></cell><cell>LM49100</cell><cell>Subsystem, Audio Amplifier, Class AB, Headphone Amplifier</cell><cell>Eval Board</cell></row><row><cell>16-Jan-2006</cell><cell>LM4946SQEVAL</cell><cell><![CDATA[LM4946SQEVAL Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM4946SQEVAL^]]></cell><cell>LM4946</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4917SDBD</cell><cell><![CDATA[LM4917 Ground-Referenced, 95mW Stereo Headphone Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4917SDBD^]]></cell><cell>LM4917</cell><cell></cell><cell>Eval Board</cell></row><row><cell>28-Jun-2006</cell><cell>LM4941TMBD</cell><cell><![CDATA[1.25 Watt Fully Differential Audio Power Amplifier With RF Suppression and Shutdown^http://www.national.com/store/view_item/index.html?nsid=LM4941TMBD^]]></cell><cell>LM4941</cell><cell></cell><cell>Eval Board</cell></row><row><cell></cell><cell>LM49200TLEVAL</cell><cell><![CDATA[LM49200 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49200TLEVAL^]]></cell><cell>LM49200</cell><cell></cell><cell>Eval Board</cell></row><row><cell>05-Apr-2006</cell><cell>LM4673SDBD</cell><cell><![CDATA[Filterless, 2.65W, Mono, Class D Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4673SDBD^]]></cell><cell>LM4673</cell><cell></cell><cell>Eval Board</cell></row><row><cell>13-Nov-2006</cell><cell>LME49710MABD</cell><cell><![CDATA[High Performance, High Fidelity Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49710MABD^]]></cell><cell>LME49710</cell><cell></cell><cell>Eval Board</cell></row><row><cell>27-Sep-2007</cell><cell>LME49721MABD</cell><cell><![CDATA[LME49721MABD Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LME49721MABD^]]></cell><cell>LME49721</cell><cell></cell><cell>Eval Board</cell></row><row><cell>02-Nov-2006</cell><cell>LM4947TLEVAL</cell><cell><![CDATA[Mono Class D and Stereo Audio Subsystem with OCL Headphone Amplifier and National 3D^http://www.national.com/store/view_item/index.html?nsid=LM4947TLEVAL^]]></cell><cell>LM4947</cell><cell></cell><cell>Eval Board</cell></row><row><cell>22-Sep-2005</cell><cell>LM4953SDBD</cell><cell><![CDATA[LM4953 Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver^http://www.national.com/store/view_item/index.html?nsid=LM4953SDBD^]]></cell><cell>LM4953</cell><cell></cell><cell>Eval Board</cell></row><row><cell>29-Aug-2007</cell><cell>LM48820TMBD</cell><cell><![CDATA[Ground Referenced, Fixed-gain Audio Power Amplifier Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM48820TMBD^]]></cell><cell>LM48820</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-Nov-2004</cell><cell>LM4666SDBD</cell><cell><![CDATA[Filterless High Efficiency Stereo 1.2W Switching Audio Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4666SDBD^]]></cell><cell>LM4666</cell><cell></cell><cell>Eval Board</cell></row><row><cell>06-Apr-2006</cell><cell>LM4995TMBD</cell><cell><![CDATA[1.3W Audio Power Amplifier^http://www.national.com/store/view_item/index.html?nsid=LM4995TMBD^]]></cell><cell>LM4995</cell><cell></cell><cell>Eval Board</cell></row><row><cell>14-May-2010</cell><cell>RD-186</cell><cell><![CDATA[Small Split Rail Isolated +/- 5V Power Supply Generator^http://www.national.com/rd/RDhtml/RD-186.html^]]></cell><cell>LM5001, LM5002</cell><cell>Split Rail, Switcher, Boost, Flyback, SEPIC, Regulator</cell><cell>Reference Design</cell></row><row><cell>05-Sep-2008</cell><cell>LM49350RLEVAL</cell><cell><![CDATA[LM49350 Evaluation Board^http://www.national.com/store/view_item/index.html?nsid=LM49350RLEVAL^]]></cell><cell>LM49350</cell><cell>Subsystem</cell><cell>Eval Board</cell></row><row><cell>23-Mar-2007</cell><cell>LME49720NABD</cell><cell><![CDATA[34V High Performance, High Fidelity Dual Audio Operational Amplifier^http://www.national.com/store/view_item/index.html?nsid=LME49720NABD^]]></cell><cell>LME49720</cell><cell></cell><cell>Eval Board</cell></row><row><cell>18-May-2006</cell><cell>LM4985TMEVAL</cell><cell><![CDATA[LM4985 Stereo 135mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output and Digitally Controlled (I2C) Volume Control^http://www.national.com/store/view_item/index.html?nsid=LM4985TMEVAL^]]></cell><cell>LM4985</cell><cell></cell><cell>Eval Board</cell></row></rows>

WEBENCH® Audio Designer
Spice Model for LME49860, LM4562, LME49710, LME49720, and LME49740 (zip file)
Evaluation Board Digital Control Interface Software
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