Either op amp or INA
Require very high input impedance
like the INA116
in resistance 10^15 ohm
in cap, differential 0.2pF
Either op amp or INA
Require very high input impedance
like the INA116
in resistance 10^15 ohm
in cap, differential 0.2pF
Hi,
I am working with a pH sensor which I would like to connect directly to the ADS1220. The output voltage varies between -414mV and +414mV to represent the 0-14 pH scale. Usually, a buffer amp is required in order to provide necessary…
In helping to select op amps and instrumentation amps I frequently hear the comment, “I need really high input impedance.” Oh really?… are you sure?
It’s rare that input impedance, or more…