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SAR ADC Perfomance (10 bit - 3 MHz)

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endrawan

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sar adc

Is it possible to design SAR ADC with 10 bit resolution and it's frequency is 3 MHz.
And we used 0.8 micron technology?
Thank you.

Endrawan
 

i think it easy to achieve
 

yes, it is not very hard, because the used frequncy is not so high. you can use 0.8u tech easily; but you should have higher power supply and high current!
see this paper: A switched-current, switched-capacitor temperature sensor in0.6-μm CMOS; Tuthill, M.
Analog Devices B.V., Limerick
 

the 10bit sar, then the clock frequency will >= 30M. it is not easy
 

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