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TAS5805M: TAS5805M AGL issue

Part Number: TAS5805M
Other Parts Discussed in Thread: TAS5805

Hi Sir

now our customer use TAS5805M EVM can use AGL to control the audio signal amplitude, however, it can not use for control the audio amplitude in their platform use the code accoding  export the EVM ;the code as follow,pls help check it and give same suggestions,tks!amp_tas5805m.h

  • Hi Darren,

    On my side, I would recommend to check whether you can meet our requirement of power on sequence. Please see page 43 of the datasheet. Please do take care three points;

    • I2S (LRCLK and BCLK) need to be stable after 5ms delay after PDN=1;
    • I2S (LRCLK and BCLK) need to be stable when all I2C commands in .h file are written to TAS5805;
    • There is a 5ms delay for device settle down in .h file. please implement it in your code.

    After than, you will see DRC working.

    Regards.

    Alix Wan.