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LDC1101: Accuracy of the IC (tolerances in Rp measurements) and curve fitting for calibration

Part Number: LDC1101


Hello Chris, hello Ben,

Since we are using your sensor IC to measure the distance of an metal sheet we would like to know: are there any Rp or L tolerance numbers given for the IC itself (if would someone change only the IC in the circuitry and would keep all other components constant)?

And: we certainly will need a kind of calibration to get maximum accuracy. Therefore it would be very helpful to have a formula like s = f(Rp) or s = f(L) with s the distance. So far I do not have a good starting point for a curve fitting. Do you have any suggestion for it? With informations on which parameters to adjust (fit)?

Thank you for your help!

Best regards,

Olaf