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MSPM0G3507: Comparator input impedance, and more

Part Number: MSPM0G3507
Other Parts Discussed in Thread: OPA333

Tool/software:

I cannot seem to find any references to the impedance of the inputs of the comparators. Could someone please give me some hints?

I have found by inspecting the datasheet, that the OPAs and the GPAMP, have low impedance inputs.

Is there any analog element in this family which has "high" input impedance?  Like 10 Meg or higher?

THANKS, R