An operational amplifier (op-amp) is an integrated circuit (IC) chip that contains a high-gain differential amplilier. The inputs have very high input impedance and draw essentially no current.

op-amp symbol

Schematic of an op-amp in an inverting amplifier circuit oops!

In this circuit the output voltage is governed by the following relationship: Vout = -Vin ( Rfeedback / Rin ) Related Topics

  • Introduction to electronics
  • Introduction to data acquisition







Search the Dictionary