Amateur Extra › E7 Practical Circuits › E7G01
E7G01
What is the typical output impedance of an op-amp?
Pick an answer to check it.
Answer: A. Very low
An op-amp has a very low output impedance, so it can drive a load without its output voltage sagging. Its input impedance, by contrast, is very high.
Tip: Op-amp: high in, low out.