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AD9777 overall delay

Question asked by Mobus on Dec 5, 2013
Latest reply on Dec 13, 2013 by Tguy

Hi

 

I am using the AD9777 in an existing design of a digital feedback controller, so actual input-to-output time delay is critical.

 

What is this delay for the AD9777? (the datasheet only gives the settling time, measured from the start of the analog output).

 

Is the overall delay and "group delay" the same thing? The AD9777 datasheet lists "group delay" under terminology, but doesn't actually use the term anywhere else in the datasheet.

 

Kind regards

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