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Original question:

Noise and echo cancellation with TLV320AIC3120

TLV320AIC3120: Implementing a selector

Carlo
Expert 7715 points

Part Number: TLV320AIC3120

Hi team,


Good day.


Our customer would like to know if it is possible to implement a selector, set the RX/TX attenuation, for a half-duplex handphone using the TLV320AIC3120? Thanks for your confirmation.


Regards,
Carlo

  • 0
    TI__Guru 64935 points

    Hi Carlo,

    The TLV320AIC3120 is used in many applications including headsets/phones.  That said, every system is different, could you provide a block diagram of what's being connected to the CODEC and what signal levels are required on the input and output side?

    The device supports microphone inputs and mono Class-D outputs sounds like it would work well.  The input/output gains are programmable and even have an external option for a potentiometer based volume control on the VOL/MICDET pin.