Dual Input, Far Field Noise Suppression Microphone Amplifier

The LMV1090 is a fully Analog dual differential input, differ- ential output, Microphone array Amplifier designed to reduce background acoustic noise, while delivering superb speech clarity in voice Communication applications. The LMV1090 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 far- field rejection is possible in a properly configured and using ±0.5dB matched micropohones. Part of the Powerwise™ family of energy efficient solutions, the LMV1090 consumes only 600μA of supply current pro- viding superior performance over DSP solutions consuming greater than ten times the power. The dual Microphone inputs and the processed signal output are differential to provide excellent noise immunity. The mi- crophones are biased with an internal low-noise bias supply. By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LMV1090APP-SW Texas Instruments Software (Windows) Controls the LMV1090 and Its Operating Modes
LMV1090TLX/NOPB Texas Instruments Dual Input, Far Field Noise Suppression Microphone Amplifier 16-DSBGA -40 to 85
LMV1090TL/NOPB Texas Instruments Dual Input, Far Field Noise Suppression Microphone Amplifier 16-DSBGA -40 to 85
LMV1090TLEVAL Texas Instruments Dual Input, Far Field Noise Suppression Microphone Amplifier
LMV1090 's PackagesLMV1090 's pdf datasheet



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LMV1090 Application circuits
LMV1090 circuits
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