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The circuit design of ADA4530-1

Question asked by fan_xiahui on Dec 25, 2017
Latest reply on Jan 2, 2018 by Davidforde

Hi, CN0407 can detect the current at the fA level. But the leakage current of the switch ADG1419 is a current of nA. What kind of consideration is in this design, or what kind of processing is needed to avoid the effect of the leakage current of ADG1419 on the measured current signal? thank you.