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Original question:

TPA6211A1-Q1: POP noise at entering shutdown mode

POP noise at entering shutdown mode

Minsu KIM
Prodigy 10 points

I don't understand that "Another option could be to leave of sending input signal a little before of setting the shutdown mode."

I keep the shutdown pin high now.

Should I control shutdown whenever should output starts and ends? 

  • 0
    TI__Mastermind 20085 points
    Hi Minsu,

    Welcome to E2E, thanks for your interest in our devices.
    When the pop noise is caused by there is insufficient time in the shutdown to discharge the input capacitor, one solution would be to not send input signal before of activating shutdown mode.
    I don't understand your question very well, so could you explain me in detail your doubt?

    Best Regards
    José Luis Figueroa
    Audio Applications Engineer
  • 0
    TI__Mastermind 20085 points
    Hi Minsu,

    I haven't heard back from you, so I am assuming that you were able to resolve your issue. If not, just post a reply with your new question or create a new post if this was locked by time-out.

    Best Regards
    José Luis Figueroa
    Audio Applications Engineer