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Self-calibrating Comparator in SAR ADC (Read 789 times)
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Self-calibrating Comparator in SAR ADC
Aug 25th, 2020, 4:10pm
I'm trying to design a SAR ADC with a Low-noise Miyahara Comparator. I'm doing bottom-plate sampling and the comparator input is connected to the DAC.
For the comparator, I'm using the self-calibration technique, from this paper by Miyahara:

I'm a little confused on how to choose the VCM in the Miyahara comparator in this kind of calibration.
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