The amplifier works as a voltage follower. It takes 3.12V from the voltage divider, so it should give out 3.12V as it is an voltage follower but instead i am getting 1V. Can someone guide me on this..
Why don't sketch the complete circuit? Anyway, the circuit should output 3.1 V, the schematic doesn't show a problem. Use a multimeter to check node voltages against ground: Vcc, V+, non-inverting OP input.
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O.K., either the amplifier is defective, pins are wrongly connected or the output is overloaded. Disconnect load to check.
If the +INPUT still is floating, then the voltage at this node may be 3.1V as long as a voltmeter is connected, but it may be any other voltage when voltmeter is disconnected.
It simply is not defined.