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TLV320AIC3204: Asking for the AIC3204 schemtic review

SHH
Mastermind 32406 points
Part Number: TLV320AIC3204




Hi Team,
Could you please help review the AIC3204 schematic?
1. input: I2S
2. output: line out and head phone out

BR,
SHH

  • 0
    TI__Guru 57800 points

    Hi, SHH,

    I made a review of the schematic, in general it seems correct, there are a couple recommendations I'd like to give:

    • We recommend to connect the unused inputs to GND through a cap.
    • The filter used in the headphone and line outputs is the same, so I guess both are used as line drivers, if this is correct there should be no issue.
    • Do you know the purpose of the diode in the top right side?. It is connecting AVDD and DVDD. When used with the internal LDO, the only components that should be connected on AVDD and DVDD are the decoupling caps.

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer