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TPA3131D2: Input range and output range check

Yuxi Liu(Tony)
Expert 3200 points
Part Number: TPA3131D2

Tool/software:

Hi TIer

We can see the input range is maximum 6.3V in INP INN.

So why we set so low input voltage range under 30V power supply?

My customer have a input signal at max 8V, Do you have more suggest , How to convert this input signal to match our devices?

Thank you very much.

  • 0
    TI__Genius 9175 points

    Hi Tony,

    This is the input stage to a closed loop amp. The amp has a large gain and the input stage was designed with this in mind. If customer is using a larger signal, then it will need to be stepped down by a resistor divider or a op amp attenuator.

    Regards,

    Ramsey