This page provides supplemental information for the blog, “Chopper Op Amps and Noise.”
The Powerpoint presentation (link below) reviews much of the basic theory of choppers, including a discussion of the noise/power advantage of chopping compared to auto-zero techniques. It is annotated with informative speaker notes.
0143.Micropower Chopper Op Amp.pdf
Sorry, but we cannot provide the original IEEE paper on our site but here is a link where it can be obtained:
Here are links to information on some example chopper op amps that use these techniques:
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