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PCM2704 : Output wave at MUTE

Hirokazu Takahashi
Expert 8420 points
Other Parts Discussed in Thread: PCM2704C

Dear Support team,

 

When PCM2704C is in MUTE, VoutR will be the inverted waveform of VoutL.

Is it normal phenomenon?

 

If it is normal, do you have any specification of the delay time between VoutR and RoutL?

 

Best regards,

Hiro Takahashi

  • 0
    TI__Guru** 101225 points

    Hi Takahashi-san,

    This is not a normal behavior.
    When Mute is activated the output should be inactive.
    Could you share more details like schematic and the host system which the device is connected?
    I have tested PCM2704C EVM board on a Win7 system and when the device is muted the outputs go to 0V.

    Best regards,
    -Ivan Salazar
    Texas Instruments