LM4836 - Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux
Datasheet Packaging Samples & Pricing Reliability Knowledge Base

Features
•PC98 and PC99 Compliant
•DC Volume Control Interface
•Input mux
•System Beep Detect
•Stereo switchable bridged/single-ended power amplifiers
•Selectable internal/external gain and bass boost configurable
•"Click and pop" suppression circuitry
•Thermal shutdown protection circuitry

Key Specification

PO at 1% THD+N

  

into 3 (LM4836LQ, LM4836MTE)

2.2W(typ)

into 4 (LM4836LQ, LM4836MTE)

2.0W(typ)

into 8 (LM4836)

1.1W(typ)

Single-ended mode - THD+N at 85mW into 32

1.0%(typ)

Shutdown current

0.2µA(typ)

General Description

The LM4836 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4 with less than 1.0% THD+N, or 2.2W into 3 with less than 1.0% THD+N. More...


Applications

•Portable and Desktop Computers
•Multimedia Monitors
•Portable Radios, PDAs, and Portable TVs
  Typical Application
click for larger image


ParametersValues
Power@ 4Ohms, 1% THD 2 Watt
Power@ 8Ohms, 1% THD 1.1 Watt
Power@ 4Ohms, 10% THD 2.5 Watt
Power@ 8Ohms, 10% THD 1.5 Watt
THD 0.3 %
PSRR 74 dB
SNR 93 dB
Channels 2 Channels
Supply Range +2.7 - +5.5 V
THD Conditions Po=1W @Vs=5V, 20Hz-20kHz
PSRR Conditions 120 Hz
SNR Conditions Pout=1.1W
User Supply 5 Volt
Shutdown Type High
Temperature Min -40 deg C
Temperature Max 85 deg C


Typical Performance

click for larger image


  Connection Diagram
click for larger image



Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
LM4836 Boomer ® Audio Power Amplifier Series Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux 951
Kbytes		 20-Oct-04 Download
LM4836 Boomer ® Audio Power Amplifier Series Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux (Japanese)
 410 Kbytes   Download

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Package Availability, Models, Samples & Pricing
Part NumberPackageFactory Lead TimeModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
Format
TypePinsSpec.MSL
Rating		Peak
Reflow		RoHS
Report		CAD
Symbols		WeeksQtyQty$US each
LM4836LQLLP28NOPB1260RoHS Download Full productionN/A
Samples
Buy Now 		1K+$1.44reel
of
1000		NS
UZXYTTE#
L4836LQ
6 weeks5000
LM4836MTTSSOP28NOPB
STD		3
3		260
235		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$1.80rail
of
48		NSUZXYTT
LM4836MT
6 weeks500
LM4836MTXTSSOP28NOPB3260RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$1.80reel
of
2500		NSUZXYTT
LM4836MT
8 weeks3000
LM4836MTETSSOP EXP PAD28NOPB
STD		1
1		260
260		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$1.70rail
of
48		NSUZXYTT
LM4836MTE
12 weeks500
LM4836MTEXTSSOP EXP PAD28NOPB1260RoHS Download Full productionN/A
 
Buy Now 		1K+$1.70reel
of
2500		NSUZXYTT
LM4836MTE
12 weeks5000

Obsolete Versions

Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
LM4836LQX
NONE
NATIONAL SEMICONDUCTOR
04 May 2006
LM4836MT
NONE
NATIONAL SEMICONDUCTOR
01 Dec 2009
LM4836MTE
NONE
NATIONAL SEMICONDUCTOR
01 Dec 2009
LM4836MTX
NONE
NATIONAL SEMICONDUCTOR
01 Dec 2009

General Description

The LM4836 is a monolithic integrated circuit that provides DC volume control, and stereo bridged audio power amplifiers capable of producing 2W into 4 with less than 1.0% THD+N, or 2.2W into 3 with less than 1.0% THD+N.

Boomer® audio integrated circuits were designed specifically to provide high quality audio while requiring a minimum amount of external components. The LM4836 incorporates a DC volume control, stereo bridged audio power amplifiers, selectable gain or bass boost, and an input mux making it optimally suited for multimedia monitors, portable radios, desktop, and portable computer applications.

The LM4836 features an externally controlled, low-power consumption shutdown mode, and both a power amplifier and headphone mute for maximum system flexibility and performance.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM4836LQCS065238968520440200011249079519
LM4836MTCS065238968520440200011249079519
LM4836MTECS065238968520440200011249079519
LM4836MTEXCS065238968520440200011249079519
LM4836MTXCS065238968520440200011249079519

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


[Information as of 8-Nov-2009]