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ADS7142-Q1: offset calibration

Shinji Tsuji
Genius 12808 points
Part Number: ADS7142-Q1

Tool/software:

Hi team,

Offset error (Eo) is defined as +/-4LSB max as below under the test condition of "Post offset calibration."

I would like to double check that the offset error can be calibrated as low as +/-4LSB if I use internal calibration mechanism?

regards,

  • +1
    TI__Expert 3830 points

    Hi Shinji-san,

    Yes, the offset error should be below +/- 4 LSB post-calibration. The device automatically calibrates offset when powered on, but it can also be calibrated by setting the TRIG_OFFCAL bit in the OFFSET_CAL register.

    Regards,
    Joel