Fully Differential Op Amps
Fully differential op amps are presented. These components are a step back in time to the original op amps, which were all fully differential. The reason for the return of fully differential op amps is the noise immunity of differential analog signals and the ability to directly introduce a common-mode operating point that oftentimes comes from an analog-to-digital converter.
Common-mode voltage input; Differential interface; Fully differential op amp
The term “fully differential op amp” probably brings chills to the spine of designers. Such thoughts as “oh no—now I have to learn something new.” What most designers do not realize is that op amps began as fully differential components ...
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