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vias in high resolution ADC layouts

Question asked by Mr_M_from_G on May 14, 2013
Latest reply on May 15, 2013 by Mr_M_from_G



I am wondering if routing a signal to an ADC input over one or several vias is an issue concerning precision of the measurement results. I always tried to avoid this the closer I come to the input the more, but I can't give a real reason why.

What is a vias equivalent circuit? Is there any influence on the signal at all?

My circuit deals with low frequency signals and I am using an ADuC847 with 24 bit ADC


Thanks for any answers.