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TAS2X63EVM: How to use PP-SALB2-EVM with TAS2x63EVM?

Jay Yoo
Intellectual 1971 points
Part Number: TAS2X63EVM
Other Parts Discussed in Thread: PP-SALB2-EVM, PCM9211

Hi team,

Q1. If I want to evaluate Tas2x63EVM with optical inputs, Can I use the PP-SALB2-EVM LearningBoard 2 to do so? 

If yes, Would you check if below configuration is right method?

  • Vbat=5V
  • PVDD=11V(external PVDD used)
  • 8Ohm load(dummy connected to AP)

Q2. If I connect learning board to TAS2x64EVM, Does XMOS automatically select I2S signal path from MUX? 

Thanks

Jay.

  • 0
    TI__Guru* 98265 points

    Hi Jay,

    The SALB2-EVM is not intended for that use case, so unfortunately there is not a direct way to use an optical audio source to evaluate the EVM. You would need to use an optical to I2S/TDM device first, then connect to the EVM external TDM headers.

    Perhaps you can use PCM9211EVM to take optical input to TDM output.
    Alternatively use AC-MB board that features PCM9211, then take the TDM signals from J7 into TAS2X63EVM. AC-MB comes long with our ADC EVM devices like ADCx140 and ADCx120.

    Best regards,
    -Ivan Salazar
    Applications Engineer

  • 0 in reply to Ivan Salazar
    TI__Intellectual 1971 points

    Hi Ivan,

    Got i. Thanks for letting me know.

    btw the EVM still can be used with external PVDD mode though?

    Thanks

    Jay

  • 0 in reply to Jay Yoo
    TI__Guru* 98265 points

    Hi Jay,

    Yes, that is independent of the audio input being used.

    Best regards,
    -Ivan Salazar
    Applications Engineer