LMV1089 Far Field Noise Suppression Microphone Amplifier

National Semiconductor

Description

LMV1089 Dual Input, Clarisound™ Far Field Noise Suppression Microphone Amplifier with Automatic Calibration Capability October 24, 2008 LMV1089 Dual.
The LMV1089 is a fully analog dual differential input, differential output, microphone array amplifier designed to reduce background acoustic noise, w.

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Datasheet Specifications

Part number: LMV1089
Manufacturer: National Semiconductor
File Size: 1.45 MB
Datasheet: LMV1089_NationalSemiconductor.pdf
Description: Far Field Noise Suppression Microphone Amplifier

Features

* Low power consumption Shutdown function No added processing delay Differential outputs Automatic calibration Adjustable 6 - 48dB gain Excellent RF immunity Space-saving 36

Applications

* The LMV1089 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 calibrated system. Part of the Powerwise™ family of energy efficien

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LMV1089 Far Field Noise Suppression Microphone Amplifier National Semiconductor

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