Hi Amp forum team,
I am an engineer who want to make an analog buffer circuit with OPA197.
In order to identify an input impedance of OPA197, I saw below char on datasheet.
I have two question about above chart.
1. What is the differences between ZID and ZIC? Could you please let me know with circuit example?
2. What is the meaning of "||"? Does it has any relations between input impedance and parasitic capacitance?
Thank you in advance.
Regards,