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Finding DNL and INL of an ADC

Question asked by GarEngLLC on Sep 20, 2012
Latest reply on Oct 23, 2012 by David.Buchanan

I was wondering if anyone had some code snippets they could share on how they compute DNL and INL of their ADCs in their design?  I am evaluating a board we had built and saving off sine wave captures from the FPGA to evaluate the ADC.  I have been looking at the average of the FFTs of the samples, the DNL, and now I am trying to look at the INL (but it doesn't look right).  Thanks.