Transcription of Digital Isolator Design Guide (Rev. A) - Texas Instruments
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Developer's GuideSLLA284A January2009 RevisedNovember2014 DigitalIsolatorDesignGuideThisdesignguid ehelpssystemdesignersof galvanicallyisolatedsystemsto begindesigningwith TI'sbroadportfolioof digitalisolatorsandisolatedfunctionsin the ISO78xxfamilyof ,the ISO73xxfamilyof 3-kVrmsdigitalisolators,and the ISO71xxfamilyof , documentexplainsthebasicoperatingprincip leof an Isolator ,suggestswhereto placeit withina systemdesign,andrecommendsguidelinesfor an electromagneticcompatible(EMC) availablein the respectiveproductdatasheetsand the (OOK) DigitalIsolatorsand of Figures1 ConceptualBlockDiagramof On-OffKeying(OOK) a :Z0~ a Functionof the w/h a January2009 RevisedNovember2014 DigitalIsolatorDesignGuideSubmitDocument ationFeedbackCopyright 2009 2014, 45 BendsInsteadof 90 a Singleand a a Singleand a a of Tables1 DigitalIsolatorFamiliesand < w/d < a meansof preventingdc and unwantedac currentsbetweentwo partsof a system,whileallowingsignaland powertransferbetweenthosetwo semiconductorICsusedfor isolationare general,an isolatorcan be abstractedas
Developer's Guide SLLA284A–January 2009–Revised November 2014 Digital Isolator Design Guide This design guide helps system designers of galvanically isolated systems to begin designing with TI's
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