Ken Shirriff: inside the ubiquitous 741 op amp
"The 741 op amp is one of the most famous and popular ICs[1] with hundreds of millions sold since its invention in 1968 by famous IC designer Dave Fullagar. In this article, I look at the silicon die for the 741, discuss how it works, and explain how circuits are built from silicon."
cred: https://www.righto.com/2015/10/inside-ubiquitous-741-op-amp-circuits.html









