Differential amplifier
The differential opamp amplifies the difference between the two voltages.
![Differential operational amplifier](/media/differential-opamp-circuit.png)
Formulas
![](/shared/media/generated/33cfdef9b13d.png)
![](/shared/media/generated/e38f85a3bfe3.png)
![](/shared/media/generated/98fa2831c012.png)
V in is the input voltage and is measured in volt (V)
V out is the output voltage and is measured in volt (V)
R is the symbol for resistance and is measured in ohm (Ω).