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Single JFET-input operational amplifier

TL081 Internal Circuitry

Explore the internal circuitry and functional stages of TL081.

Package view

Inside TL081

A JFET input stage followed by compensated gain and an output driver.

TL081 functional stages inside a compact IC outline: JFET differential input, compensated voltage gain and output driver, with offset contacts and split supply.
Functional cutaway; not a transistor-level die schematic.

Explore the circuit

Select a stage to see its role and connections

JFET input pair

The input pair compares IN+ and IN− with low room-temperature leakage.

Internal compensation

The gain stage includes frequency compensation for practical feedback circuits.

Output stage

The driver delivers the signal with finite rail headroom and load capability.

Component view