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Question about the TLV320AIC3254

Edmund Ben-Ami
Prodigy 10 points
Other Parts Discussed in Thread: TLV320AIC3254

Hey,
We're developing a smartphone audio application and are hoping to port it to devices using the TLV320AIC3254.
Do the output pins support jack retasking?
More specifically we want to know if the analog signal from the headphone output and/or line output pins can be rerouted towards an ADC input using the codec's registers.
We need to do this without external circuitry or other modifications.

Thanks in advance,
Edmund
  • 0
    TI__Guru 64296 points

    You can't do this internally. However, the AIC3254 has three stereo analog inputs (if configured in single-ended mode) so if you can spare one of the three channels for this function, you can connect the line outputs to one of the input pairs and switch them on via register settings.