I am trying to interface AD620 with PT100 sensor, my input change from 0 to 900mV but output do't change.
I have attached my circuit.
I change all 10K resistors with 100E, no change at output of AD620
Are you trying to make a 1.5 V/V gain on your circuit? What is the purpose of the potentiometer there?
What do you want to achieve when you do the connections on the reference pin (Pin 5)? The reference pin is use to level shift the output signal of the inamp. For best performance, we always recommend to drive it with low impedance voltage source to avoid degrading the CMRR and gain accuracy specs.
Can you connect the reference pin to ground and see if you are getting correct output voltage? R1, R2 and R3 = 100R.
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