AnsweredAssumed Answered

Which clock does ADC/DACs use in ADAU1361?

Question asked by srinie on Sep 28, 2016
Latest reply on Sep 28, 2016 by DaveThib

Hi,

I am using ADAU1361 with the "codec in PLL mode + codec as I2S Slave".

 

In our system, we wish to tune the ADCs/DACs based on the I2S SCK,LRCK variations.

As the codec is configured in I2S slave mode, we expect (or understand) that any modifications in SCK,LRCK result in corresponding ADC/DAC clock changes.

 

But in the test setup, we observe frequent audio clicks with the above configuration!

Does this imply that irrespective of SCK,LRCK changes (when in Slave), ADC/DAC always work using PLL clock?

 

 

Thanks,

Srinivas

Outcomes