- on Miscellaneous Electronics
- Published in issue 3/2006 on page 0
Opamp with increased output current
Opamps seldom have an output current drive capability of greater than about 12 mA, and so they are not suitable for use in 20 mA current loop applications, for example. One solution is to add a driver stage with the necessary output power, comprising perhaps two to four transistors and a number of other components.