[sdiy] Article on Opamp Power Sequencing Requirements

Neil Johnson neil.johnson71 at gmail.com
Thu Dec 1 15:22:06 CET 2016


> Here is the link:
> http://www.edn.com/design/power-management/4443048/Improper-power-sequencing-in-op-amps--Analyzing-the-risks?_mc=NL_EDN_EDT_EDN_analog_20161201&cid=NL_EDN_EDT_EDN_analog_20161201&elqTrackId=d42963c5931a47b48660ce7b46b846d3&elq=a334790ed88c43a2b25b818d92bb71eb&elqaid=34983&elqat=1&elqCampaignId=30538

Those failure modes can be applied to many other devices, not just
op-amps.  The venerable 2146 quad VCA also suffers a rather
unfortunate failure if the negative supply rail disappears.


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