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Original question:

PCM5100A: Schematic review

PCM5100A: PCM5100A - Schematic review

Ben Kuo
Expert 7490 points
Part Number: PCM5100A

Dear team,

I would like to double confirm with you about below items.

- Could we use ceramic capacitor instead of high ESR capacitor at VDD rail? (AVDD/CPVDD/LDOO/DVDD)

- Did we need pull high resistor at I2S bus?

Regards,

Ben

  • 0
    TI__Guru 53573 points

    Hi Ben,

    You can use ceramics in this application.  I recommend X7R type for the "static" voltages, like VDD, CPVDD.  You can use NP0/COG for the VOUT functions.

    You do not need pullups for the I2S lines.

    Thanks,

    Paul