Controlled power supply increases op amps' output-voltage range

by Yakov Velikson, Lexington, MA; Edited by Brad Thompson and Charles H Small, EDN, Mar 15 2007

Focus:
Instead of adding high-voltage transistors to extend the output voltage range of an op amp, it's possible to use a controlled power supply for the op amp itself. This approach increases the op amp's output voltage range without changing its operational characteristics.

What you’ll learn:

• How to extend the output voltage range of a precision op amp without altering its operating characteristics.

Notes:
An EDN Design Idea

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