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LMV1099 - Uplink Far Field Noise Suppression & Downlink SNR Enhancing Microphone Amplifier

General Description

The LMV1099 is an uplink and downlink voice intelligibility enhancing analog IC, ideally suited for mobile handsets.

Uplink voice intelligibility is improved by rejecting far-field noise through a unique two-microphone solution.

Key Features

  • Noise reduction without DSP-type artifacts.
  • Adapting AGC (Automatic Gain Control) on ambient noise.
  • level & downlink signal strength Downlink adjustable noise-reducing high pass filter Separate Uplink & Downlink Enable Functions No added process delays Low power consumption Shutdown function Maximum AGC Limiter Differential inputs & outputs for noise immunity Earpiece amplifier Available in a 25-bump micro SMD Key Specifications.

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Datasheet Details

Part number LMV1099
Manufacturer National Semiconductor Corporation
File Size 806.51 KB
Description Uplink Far Field Noise Suppression & Downlink SNR Enhancing Microphone Amplifier
Datasheet download datasheet LMV1099 Datasheet

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DataSheet.in LMV1099 Uplink Far Field Noise Suppression & Downlink SNR Enhancing Microphone Amplifier with Earpiece Driver August 12, 2010 LMV1099 Uplink Far Field Noise Suppression & Downlink SNR Enhancing Microphone Amplifier with Earpiece Driver General Description The LMV1099 is an uplink and downlink voice intelligibility enhancing analog IC, ideally suited for mobile handsets. Uplink voice intelligibility is improved by rejecting far-field noise through a unique two-microphone solution. Downlink voice intelligibility is improved by enhancing the SNR (Signal-toNoise Ratio) between the downlink voice and the ambient noise environment at the user’s earpiece.