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TAS6424-Q1: No I2S signal condition

Kuramochi Tadahiko
Guru 28715 points
Part Number: TAS6424-Q1

Hi,

When there is no I2S signal, pulses is outputted as follows.

Is it correct working?

Best Regards,

Kuramochi

  • 0
    TI__Mastermind 34235 points

    Kuromochi-san,

    Please provide more information.

    1. Where is the oscilloscope connected?  The output pin or speaker output?  Output + or Output -.
    2. Do you have I2S clocks present?
    3. Read back the fault registers and provide the data and any faults that may be present
    4. What state is the TAS6424-Q1 in, such as, Standby, Mute, Play

    Please provide the data so we can properly answer your questions.

  • 0
    TI__Mastermind 34235 points
    Kuramochi-san.
    After further inspection, the plot looks like load diagnostics is running over and over again. Do you have a load diagnostic fault on this channel, such as an open load? Please check the set up and the load diagnostic reporting registers.