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PCM1863: PCM1863 Review

Lauren Mayfield
Expert 7635 points
Part Number: PCM1863

Hi team,

Can you please review this schematic (will send internally)?

This is for an AK5522 replacement.

They are using a Master clock of 12.2888Mhz, and they are going to use 16KHz as the sampling rate, which means they will need a clock ratio of 768. This should be okay because it's above the min Required Clock ratio of 128, am I right?

They are putting in 4V RMS differential audio input at the analog end, left channel only. The right channel will be disconnected.

Please take a look and let me know if those connections all make sense or if there's something that should be changed to improve the design.

Thank you!

  • 0
    TI__Mastermind 23050 points

    Hi Lauren,

    I can certainly review a schematic. Note that if the autoclock feature is used it's not actually necessary to provide an MCLK/SCKI as the device can internally generate one. 

    Best,

    Zak