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power consumption of an ADC per sample (Read 2071 times)
jovial
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power consumption of an ADC per sample
Mar 15th, 2014, 5:39am
 
Hello everyone !!!

How to calculate/estimate the power conversion of an ADC per sample in terms of the parameters like sampling frequency, etc. ???????????

Necessary papers/reference would be helpful.
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aaron_do
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Re: power consumption of an ADC per sample
Reply #1 - Mar 16th, 2014, 11:10pm
 
Hi,


it completely depends on architecture. There is an excellent ADC performance survey by Boris Murmann from Stanford. Sorry I don't have the link, but you shouldn't have much trouble finding it...


Aaron
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Johan Dijkhuis
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Re: power consumption of an ADC per sample
Reply #2 - Apr 10th, 2014, 11:07am
 
See also http://converterpassion.wordpress.com/
This gives a pretty complete overview. It starts at a few fJ / conversion step, up to about 10 bits. After that it increases. Most very low power medium resolution ADCs are SAR, high resolution is dominated by sigma-delta.
Best Regards,
Johan.
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