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TAS5805M: SLAA894

Jingguo Wang
Intellectual 2140 points
Part Number: TAS5805M

Hi team, I am very new in audio.  in the app note slaa894, could you tell me why use 29.5V in step 4?

  • 0
    TI__Genius 14930 points

    Hello Jingguo, 

    If you look in the datasheet 29.5V is the highest programmable gain for the amplifier, so this is used to get the Maximum Vout voltage. The Amplifier Gain here represents the "peak voltage" disregarding clipping due to lower PVDD. Measured at 0 dB input(1FS), or a full scale digital input(think the loudest possible signal coming from a digital audio source.)

    best regards,
    Luis