What differentiates the AD8422 from previous products?

Document created by analog-archivist Employee on Feb 23, 2016Last modified by ScottH on Feb 23, 2016
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Q

ADI already has many instrumentation amplifiers that are highly respected. What
differentiates the AD8422 from previous products?

 

A

AD620 set an industry standard for instrumentation amplifier performance 20
years ago. AD8221 came 10 years later with an improvement over AD620 in all
performance specifications and reliability. AD8421 and AD8422 represent the
two-pronged third-generation development of this family of products. Rather
than just being an incremental improvement in all performance specifications,
AD8422 also integrates new features including input over-voltage protection, a
rail-to-rail output stage, and it consumes less than one-third the power of the
AD8221.

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