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TS472 Datasheet Very low noise microphone preamplifier

Manufacturer: STMicroelectronics

Overview: TS472 Very low noise microphone preamplifier with 2.0 V bias output and active low standby.

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General Description

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

This device

Key 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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