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Very low noise microphone preamplifier with 2.0V bias output with active low stdby mode

Quantity $ per Unit Savings
1 - 9$2.860%
10 - 24$2.5810%
25 - 99$2.4315%
100 - 249$2.0827%
250 - 499$1.9532%
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In stock
Parameter NameParameter Value
Supply Voltage Min Volt2.2
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
Packing TypeTape And Reel
RoHs compliantEcopack3
Package NameCSP P 0.5 mm

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

This device features an adjustable gain from 0 to 40 dB with excellent power-supply and commonmode rejection ratios. In addition, the TS472 has a very low noise microphone bias generator of 2 V.

It also includes a complete shutdown function, with active low standby mode.

Key features
  • Available in flip-chip lead-free package and in QFN24 4 x 4 mm package
  • Low noise 2.0 V microphone bias output
  • ESD protection (2 kV)
  • 40 kHz bandwidth regardless of the gain
  • Low distortion: 0.1% typ.
  • Low noise: 10 nV/√Hz typ. equivalent input noise at F = 1 kHz
  • 2.2 to 5.5 V single supply operation
  • Fully-differential input/output
  • Fast start up time at 0 dB: 5 ms typ.
  • Active low standby mode function (1 μA max)
  • Low power consumption at 20 dB: 1.8 mA