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Your cart is empty. 2PCS MV Microvolt Signal Amplifier Voltage Amplifier AD623 AD620 Instrumentation Amplifier Module
SB
Reviewed in the United States on March 25, 2024
I ordered the AD620 version. I returned them because one of the two did not provide an output. For the functioning one: There was no documentation in the listing or enclosed, I had to look up the vendor's other listing for info.Without the potentiometer installed, it provided about 50X gain. There was noise, probably from the -V source. The AD 620 is not rail to rail so the 5V input limits the output voltage and with the minimum gain it limits the max input signal.That said, It does provide a simple way to achieve a fixed gain compared to other modules and may be useful if the other concerns don't apply.
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