Understanding LM741 Op-Amp Integrated Circuit Pinouts

By Dickon Ross, Doug Lowe

Part of Electronics All-in-One For Dummies Cheat Sheet

Operational amplifiers are one of the most common types of IC. The LM741 is a popular single op-amp IC, and you need to understand the purpose of each of its pins to make your electronics projects run smoothly.

Pin Function
1 Not used
2 V‒ Inverting input
3 V+ Non-inverting input
4 ‒V power
5 Not used
6 Vout output
7 +V power
8 Not used