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LMV1091

Part Number	LMV1091
Manufacturer	National Semiconductor
Description	Far Field Noise Suppression Microphone Amplifier
Published	Feb 7, 2010
Detailed Description	LMV1091 Dual Input, Far Field Noise Suppression Microphone Amplifier October 28, 2009 LMV1091 Dual Input, Far Field No...
Datasheet	LMV1091 PDF File

Overview

LMV1091 Dual Input, Far Field Noise Suppression Microphone Amplifier October 28, 2009 LMV1091 Dual Input, Far Field Noise Suppression Microphone Amplifier General Description The LMV1091 is a fully analog dual differential input, differential output, microphone array amplifier designed to reduce background acoustic noise, while delivering superb speech clarity in voice communication applications.
The LMV1091 preserves near-field voice signals within 4cm of the microphones while rejecting far-field acoustic noise greater than 50cm from the microphones.
Up to 20dB of farfield rejection is possible in a properly configured and using ±0.
5dB matched micropohones.
Part of the Powerwise™ family o...

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