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AD7152 faster?

Question asked by VictorCL on Feb 5, 2016

Hi,

 

I am currently working on a project to measure the capacitance in a relatively fast signal. I came across AD7152 and bought the development board. Working on a single channel, I can get a sampling frequency of 200Hz, however, I would like to get measurements faster than that, anything over 300Hz (the faster the better). Does someone know of a way to improve this? Is there another IC capable of such frequencies? I do not mind to have less bits on the measurement if that allows me to do it faster. Another option I was thinking of was AD7746, unfortunately it obviously is slower than the AD7152.

 

Please, any advice?

 

Many thanks in advance.

 

Victor

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