HFA1100单5 V电源的应用

HFA1100 Single 5V Supply Application
No. AN9745 July 1997 Intersil Linear
HFA1100 Single 5V Supply Application
Authors: Rob Adams, Jeff Lies, Alan Erzinger


Introduction
This application note discusses how to design a video ampli- To avoid the offset voltage and low frequency noise contribu-
er circuit with gains ≥2 in a single 5V supply application tions from R2 and R3, the circuit in Figure 2 was developed.
using the HFA1100 video op amp. The operation of this circuit is essentially the same as
Figure