Non Inverting Amplifier. Gain 1 r2 r1 note that while the inverting amp can have a gain less than one for handy signal scaling the non inverting amp must have a gain of at least one. Those two differential input pins are inverting pin or negative and non inverting pin or positive.
For a non inverting amp the gain is. Those two differential input pins are inverting pin or negative and non inverting pin or positive. The op amp non inverting amplifier circuit provides a high input impedance along with all the advantages gained from using an operational amplifier.
A non inverting amplifier is an operational amplifier circuit which produces an amplified output signal which is in phase with the input signal.
An op amp has two differential input pins and an output pin along with power pins. The crucial difference between inverting and non inverting amplifier is that an inverting amplifier is the one that produces an amplified output signal which is out of phase to the applied input. The formula for a non inverting amplifier s gain is slightly different than the one for the inverting amp. While on the one hand operational amplifiers offer very high gain it makes the amplifier unstable.