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TPA3110D2: The output noise issue for TPA3110D2

Zhang Liang
Genius 4205 points
Part Number: TPA3110D2

Hi,

We use the TPA3110D2 for the loudspeaker, and now, we power on but there are the current noise, please kindly review the schematic diagram and provide your commend if there are any error, thanks.

NTB-A100.pdf

  • 0
    TI__Mastermind 49750 points

    Hi Liang

    Zhang Liang said:
    we power on but there are the current noise

    Could you describe more about the "current noise"?

    The schematic looks good.

    If we are talking about the noise from Speaker, it is possible coming from the input. As they are using connector to provide input, possibly from cable, which easily coupled into noise. We could try short AMP_R and AMP_L to GND on the board, to check if the noise is gone.

  • 0 in reply to Shadow He
    Genius 4205 points

    Hi Shadow,

    Yes, We also consider it is the problem from the input source, and we will use a new cable to test, thanks for your kindly support.