ADA4350: What is the current noise contribution in my TIA design?

Document created by analog-archivist Employee on Feb 23, 2016
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What is the current noise contribution in my TIA design?

 

Current noise contribution in the ADA4350 is negligible most of the time,
unless it is used in a high temperature and high feedback resistor combination
(e.g. Rf > 100 kÙ at 85C). If this  becomes an issue, one can use the
formula
 
where fs is the signal frequency, to  estimate the current noise
contribution.

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