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TS3A225E: Can the TS3A225E create noise when an active or passive speaker is plugged into an audio jack?

Adam Torma
Mastermind 45340 points
Part Number: TS3A225E

E2E, 

I have a question about TS3A225E. For the noise issue mentioned in the datasheet, I'm asking that for the speaker with amplifier plugged into the audio jack, is the speaker with amplifier is an Active or Passive speaker ? Thank you so much !

Thank you,

Adam

  • 0
    TI__Intellectual 1465 points

    The noise issue will be much prominent for active speakers since the noise picked up by the cable is amplified and likely to become more audible. The issue can be eliminated by using the TS3A227E, an audio jack switch with integrated depletion FETs, which turns ON the paths to ground even when no power is provided to the device.