Chapter 11. Fully Differential Op Amps
11.1. Introduction
The term fully differential op amp probably brings chills to the spine of designers, with such thoughts as, “Oh no—now I have to learn something new.” What most designers don't realize is that, over 50 years ago, op amps began as fully differential components. Techniques about how to use the fully differential versions have been almost lost over the decades. Today's fully differential op amps offer performance advantages unheard of in those first units.
This chapter presents just the facts a designer needs to get started and some resources for further design assistance. We hope, after reading this chapter, a designer can approach a fully differential op amp design with confidence and excitement. ...

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