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ADC Gain Error in TMS570LS3137

Shihab
Expert 1235 points

Other Parts Discussed in Thread: TMS570LS3137

Hi,

What is the gain error of ADC in TMS570LS3137.

Thanks,

  • 0
    TI__Guru 69070 points

    We don't spec a gain error (or offset error) - we do specify a total error of +/-4 LSB over the range of ADREFLO to ADREFHI.

    See table 5-10 parameter ETOT.

    My understanding after reviewing figure 5-4 (Absolute Accuraccy (Total) Error) is that the ETOT parameter should encompasse both gain and offset errors, but i don't think you can separate them out from this parameter.  i.e. the error could be all offset with perfect gain, or all gain with perfect offset or any combination between...