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CDCS504-Q1: Please review the schematic

Chase Jeong
Mastermind 7645 points
Part Number: CDCS504-Q1
Other Parts Discussed in Thread: TAS6424

Hello TI experts,

My customer wants to use CDCS504-Q1 with TAS6424L to apply MCLK.

https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1182351/tas6424l-q1-please-review-the-schematic

Could you review the schematic for that purpose?

And here is one more question, please advice about the setting of FS and OE pin considering internal pull-up.

Best regards,

Chase

  • 0
    TI__Genius 10995 points

    Hello Chase,

    p. 8 of the data sheet contains a detailed explanation of using the CDCS504-Q1 and the TAS6424L together. I will get back to you by the end of the week with more detailed feedback, but please use this as a reference in the meantime and update me too.

    Best,

    Andrea

  • 0 in reply to Andrea Vallenilla
    Mastermind 7645 points

    Dear Andrea,

    Thank you for your support, and please let me know if there are any updates about the issue above.

    Best regards,

    Chase

  • 0 in reply to Chase Jeong
    TI__Genius 10995 points

    Hello Chase,

    It seems that the customer is floating the FS nd OE pins, may I ask why? Depending on the operation they want, I would recommend to not float both pins. Instead, please follow the guidelines and table below from p. 7 of data sheet. Also, based on the previous section I sent, it seems that when using a TAS6424, you set the device to x1 mode when a 32 MHz frequency is desired and x4 mode when a 27 MHz frequency is desired. Hope this helps!

    Good luck,

    Andrea