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TPS65950/30: Microphone input impedance

Gandhar Dighe
Genius 15100 points

Q: What is microphone amplifier input impedance?

A: 30~70Kohms. depending on the gain setting on the amplifier. Can be considered as high impedance for PCB purposes.

  • 0
    TI__Genius 13480 points

    If we need to calculate the -3dB cut-off frequency to avoid the TDD noise, can we get more detailed information about different input imdedance for different gain setting?

    Antony