RoHS Compliance Information	Size in Kbytes	Date
LMV1088 Dual Input, Clarisound TM Far Field Noise Suppression Microphone Amplifier with Automatic Calibration Ability	1351 Kbytes	19-Sep-08	View Online Download
LMV1088 Dual Input, Clarisound TM Far Field Noise Suppression Microphone Amplifier with Automatic Calibration Ability (Japanese)	997 Kbytes

Part Number

Package

Factory Lead Time

Models

Samples & Electronic Orders

Budgetary Pricing

Std Pack Size

Package Marking Format

Type

Pins

Spec.

MSL Rating

Peak Reflow

RoHS Report

CAD Symbols

Weeks

Qty

Qty

$US each

LMV1088RL

MICRO SMDXT

36

NOPB

1

260

RoHS

N/A

Full production

N/A

1K+

$9.95

reel of 250

XYTT I ZA1

6 weeks

N/A

LMV1088RLX

MICRO SMDXT

36

NOPB

1

260

RoHS

N/A

Full production

N/A

1K+

$9.95

reel of 1000

XYTT I ZA1

6 weeks

N/A

General Description

The LMV1088 amplifies near-field voice signals within 4cm of the microphones while rejecting far-field acoustic noise greater than 0.5m from the microphones. Up to 20dB of far-field rejection is possible in a properly configured and calibrated system.

Part of the Powerwise® family of energy efficient solutions, the LMV1088 consumes 1mA of supply current while providing superior performance to DSP solutions consuming over 10 times the power.

A fast calibration during the manufacturing test process allows the LMV1088 to compensate the entire microphone system. This calibration includes mismatch in microphone gain and frequency response, as well as acoustical path variances. The LMV1088 stores the calibration coefficients in on-board EEPROM. The calibration is initiated by I2C command or by pin control.

The dual microphone inputs are differential to provide excellent noise immunity. The microphones are biased with an internal low-noise bias supply.

Design Tools

Title	Size in Kbytes	Date
LMV1088 Software (Windows XP/2000) allows control of the LMV1088 device and its operating modes			View
LMV1088 Online Noise Reduction Demo			View
LMV1088 Evaluation Manual, Gerber and Software			View

If you have trouble printing or viewing PDF file(s), see Printing Problems.

More Application Notes

Title	Size in Kbytes	Date
AN-1832: Application Note 1832 LMV1089 Noise Suppression Microphone Amplifier Demo Board User`s Guide	2361 Kbytes	7-Oct-08	Download