[sdiy] Article on Opamp Power Sequencing Requirements

[Neil Johnson]

Tom,

> 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.

Neil
--
http://www.njohnson.co.uk