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Op-Amp Voltage and Gain Calculator

Op Amp Voltage and Gain Calculator is a great opamp calculation tool, which is used to calculate the output Voltage, Inverting Gain and Non-Inverting Gain for an operational Amplifier. Before calculation, you should input the values of V1, V2, Vp, Vn and the resistance of R1, R2, R3, R4. And this operational amplifier calculator is easy-to-use and suitable for professional and newbie electricians.

Input Parameters

KOhms
KOhms
KOhms
KOhms
V
V
V
V

Outputs

V
Vout/V1
Vout/V2

OP Amplifier calculator Overview

An operational amplifier (op-amp) is a type of voltage amplifier that features differential inputs and a single-direction output. The two fundamental configurations of op-amps are the inverting and non-inverting amplifiers. The terms "inverting" and "non-inverting" describe the relationship between the output voltage's polarity and the input voltage's polarity. An inverting amplifier outputs a voltage with the opposite polarity to the input, whereas a non-inverting amplifier maintains the same polarity as the input.

It's important to note that this calculator supports both inverting and non-inverting op-amp configurations. For a non-inverting amplifier, set V2 to 0V and use V1 as the input. For an inverting amplifier, set V1 to 0V and use V2 as the input. If the positive input of the op-amp needs to be connected directly to ground, use a very large value for R3.

OP Amplifier Gain Formula

OP Amplifier Gain Equation

For inverting op-amp:

For inverting op-amp

For non-inverting op-amp:

For non-inverting op-amp