why put parallel resistor and cap to ground at opamp output?

Thread Starter

tpny

Joined May 6, 2012
220
Temperature sensor 4-wires: 12V excitation, power gnd, out+, out-. 0..1V

And a solar sensor 2 wires (no excitation): out+, out-. 0..50mV

About 15ft~20ft from op amp. No shielding on cable right now.
 

Ron H

Joined Apr 14, 2005
7,063
Temperature sensor 4-wires: 12V excitation, power gnd, out+, out-. 0..1V

And a solar sensor 2 wires (no excitation): out+, out-. 0..50mV

About 15ft~20ft from op amp. No shielding on cable right now.
Part numbers/links to datasheets would be a great help.
 

Ron H

Joined Apr 14, 2005
7,063
I would definitely use a shielded cable (as shown in the datasheet) and an inamp for each of the analog signals.
 
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