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Forum Post: RE: ADS1255 wrong data appear after a random time

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Hello,


Another question, When I do a system or a self calibration the same registers are changed (OFC and FSC). So when I do the self calibration I erase the value of my system calibration ?.

I ask this quesiton because with a lab generator when I put 4V my ADC return 4.015V. 15 mV is a not negligible. So if the self calibration erase my system calibration I can still have some error due to my conditionning circuit ?

Regards

Laurent


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