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DNL>1 in non monotonic DAC

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yefj

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Hello,Why in non monotonic DAC we get DNL>1 i cant see it happening.

1600019585983.png
 

The 4th step shows DNL=-2 and positive DNL>1 for next steps if it would be sketched correctly. The criterion for non-monotonicity is actually |DNL|>1.
 
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    yefj

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Criterium is DNL<-1. On the example all codes has DNL=0, instead of 4th one having -2.

With DNL>1, DAC is still monotonic (as definition of monotonicity is always incrementing value for incrementing code)
 
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