Not what I expected, but that brought back memories. The LM380 (the 386's cousin) was the first analog chip I ever used, somewhere around 1976. I built a small

Not what I expected, but that brought back memories. The LM380 (the 386's cousin) was the first analog chip I ever used, somewhere around 1976. I built a small headphone amp with the chip and a handful of discrete components on a piece of Vero board. I think the circuit came from the chip's implementation notes in the old RS Catalog.