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R-2R DAC or charge scaling DAC. Which is better?

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Chinmaye

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Hello All,
Which is a better DAC in terms of speed and accuracy and why?
Is it a charge scaling DAC or R-2R DAC?
 

If you want to get micropower operation then capacitors
win, megohm resistors are impractically large. But a flow
without a MIM cap is likely not useful.

Sometimes "better" is a secondary consideration, to
"practical" and "cheap" and you have to talk about
"good enough".
 

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