Any good ref. for calibration of SAR ADC?

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sankudey

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sar adc thesis

Any good reference / books for calibrartion techniques of SAR ADC?

IEEE papers are OK. But if any comprehensive reference is known to anyone (may be book/ review paper / thesis etc.) would help much.

Thanks in advance.
Sankudey
 

sar calibration an overview adc

One method is to measure capacitance mismatch with a help of additional resistor dac in area where DNL (mismatch) is critical. For binary weighted DAC fiirst at crossing 0111..111 to 1000...000 Then at crossing 001111... 111 to 0111...111
and so on for the first 4-6 bits... Results shoud be stored into a RAM and in normal operation they should be appplied to resistor DAC to cancel mismatch error.
This takes lot of time, and requires additional hardware.
Which resolution do you need?
 

sar adc thesis

Its 16-bit

I am starting up work on this - want ta have some good ref - like review paper or book on this--thesis also will do -

I have already gone thru some initial study , like Razavi's., Maxim's site etc.

Just to know if any thesis / book is known to you guys on SAR ADC.

sankudey
 

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