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TS472 - Very low noise microphone preamplifier

Datasheet Summary

Description

The TS472 is a differential-input microphone preamplifier optimized for high-performance PDA and notebook audio systems.

Features

  • Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz.
  • Fully-differential input/output.
  • 2.2 to 5.5 V single supply operation.
  • Low power consumption at 20 dB: 1.8 mA.
  • Fast start up time at 0 dB: 5 ms typ.
  • Low distortion: 0.1% typ.
  • 40 kHz bandwidth regardless of the gain.
  • Active low standby mode function (1 μA max).
  • Low noise 2.0 V microphone bias output.
  • Available in flip-chip lead-free package and in QFN24 4 x 4 mm package.
  • ESD pr.

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Datasheet preview – TS472

Datasheet Details

Part number TS472
Manufacturer STMicroelectronics
File Size 641.99 KB
Description Very low noise microphone preamplifier
Datasheet download datasheet TS472 Datasheet
Additional preview pages of the TS472 datasheet.

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Full PDF Text Transcription

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TS472 Very low noise microphone preamplifier with 2.0 V bias output and active low standby mode Features ■ Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz ■ Fully-differential input/output ■ 2.2 to 5.5 V single supply operation ■ Low power consumption at 20 dB: 1.8 mA ■ Fast start up time at 0 dB: 5 ms typ. ■ Low distortion: 0.1% typ. ■ 40 kHz bandwidth regardless of the gain ■ Active low standby mode function (1 μA max) ■ Low noise 2.
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