Hello Kevin, Here is our experiment results, we just record VOUT form ideal 0 V to 0.4 V. ( since the measure time is too long if VOUT go up to its VREF ) Through its raw data we try to count the DNL as below. There are two things we concern are buffer’s head room regular spike shows by DNL graphic ( settling time or what ? ) Thank you for help. The vout’s segment is show below: SY
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