topic Input Impedance in MPC5xxx

topic Input Impedance in MPC5xxx https://community.nxp.com/t5/MPC5xxx/Input-Impedance/m-p/391573#M520 <HTML><HEAD></HEAD><BODY><P>HI,</P><P>I am using a free scale 32-Bit micro controller MPC5607B.</P><P>i wanted to calculate the input impedance of the A2D pins. can i get any formula on how i can calculate input impedance?</P><P style="min-height: 8pt; padding: 0px;"> </P><P>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?</P></BODY></HTML> Thu, 17 Sep 2015 19:45:16 GMT lakshmilavanya 2015-09-17T19:45:16Z Input Impedance https://community.nxp.com/t5/MPC5xxx/Input-Impedance/m-p/391573#M520 <HTML><HEAD></HEAD><BODY><P>HI,</P><P>I am using a free scale 32-Bit micro controller MPC5607B.</P><P>i wanted to calculate the input impedance of the A2D pins. can i get any formula on how i can calculate input impedance?</P><P style="min-height: 8pt; padding: 0px;"> </P><P>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?</P></BODY></HTML> Thu, 17 Sep 2015 19:45:16 GMT https://community.nxp.com/t5/MPC5xxx/Input-Impedance/m-p/391573#M520 lakshmilavanya 2015-09-17T19:45:16Z