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Input Impedance

Question asked by Lakshmi Lavanya on Sep 17, 2015

HI,

I am using a free scale 32-Bit micro controller MPC5607B.

i wanted to calculate the input impedance of the A2D pins. can i get any formula on how i can calculate input impedance?

 

Also if i have 50K as source impedance and i am having a reference signal of 4V, will the out be attenuated by 0.5V?

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