i am trying to learn non-inverting amplifier design using AD711. I have designed a circuit and tried to simulate using LTSpice. When the opamp is supplied with +/- 5V, it works as expected. but when i supply 5V and GND to opamp, it's not working as expected.
I have attached both circuits for reference. Basically the vref will be 0.3V and gain is 2.
So in working model, i get 0.6V as output which expected whereas in non-working model i get 1.17V which does not make any sense to me.
Can please some one explain why it is?