comparator offset effects on flah adc

[henrywent]

number of comparators offset

hi there,
what does comparator offset effect on flah ADC ? how does it affect DNL and INL or other ADC characteristics, I just cannot figure out the picture. If you have any tutorial or links, please kindly post it here, thanks!
regards,
henry

 

[erikl]

comparator offset

what does comparator offset effect on flash ADC ? how does it affect DNL and INL or other ADC characteristics, I just cannot figure out the picture. If you have any tutorial or links, please kindly post it here
henry

Hi henry,
"a known offset can be compensated or may not be important."
This is a citation from one of the papers below. Just search for "offset"!
Cheers, erikl