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TMS320F2800157: Variable Offset while measuring the ADC

Pranav Ahuja
Prodigy 20 points
Part Number: TMS320F2800157


Tool/software:

Hi Team,
I am working with TMS320F2800157, 48 Pin Package. 

My setup is to measure the current 0 to 80Amps using ADC.
My ADC is having the variable offset. The offset is ranging from 0 to 6amps for values from 0 to 80Amps respectively.
The ACQPS is set at 35.
Kindly suggest a solution.
Thank You

  • 0
    TI__Genius 11081 points

    Hello Pranav,

    Can you share a schematic of your ADC input and reference circuits?

    The ACQPS requirement will depend on what type of source impedance you have in your input. This is documented in the TRM and associated application notes.

    Best regards,
    Ibukun