{"schemaVersion":1,"slug":"isolated-comparator","name":"Isolated comparator","kind":"symbol","abbreviation":"ISO CMP","aliases":["Isolated comparator","Isolated comparator functional block","Isolated comparator schematic reference"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"An isolated comparator evaluates an input condition and transfers its comparison result across an isolation barrier.","description":["An isolated comparator evaluates an input condition and transfers its comparison result across an isolation barrier.","A higher-voltage measurement domain can provide a threshold result to a separate controller domain.","Show the measured condition and comparison reference on the appropriate side of the isolation barrier, then label the result sent to the controller. A comparator reports a threshold relationship. It should not be drawn as if it continuously reports the full measured analogue value. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["Identify the monitored input and comparison condition.","Show the isolation boundary and both reference domains.","Label the output as a threshold result.","A threshold indication is different from a continuously measured analogue value."],"drawingChecklist":["Identify the monitored input and comparison condition.","Show the isolation boundary and both reference domains.","Label the output as a threshold result."],"distinction":"A threshold indication is different from a continuously measured analogue value.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Input versus threshold"},{"label":"Concept output","value":"Threshold result to controller"}],"references":[{"sourceId":"expansion-20261027-isolation","relevance":"Isolated signal and control functions: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["capacitive-digital-isolator","magnetic-digital-isolator","power-converter","terminal"],"artwork":"expanded-isolated-comparator","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Isolated comparator mean?","introduction":"An isolated comparator evaluates an input condition and transfers its comparison result across an isolation barrier.","example":"A higher-voltage measurement domain can provide a threshold result to a separate controller domain.","drawings":"Show the measured condition and comparison reference on the appropriate side of the isolation barrier, then label the result sent to the controller. A comparator reports a threshold relationship. It should not be drawn as if it continuously reports the full measured analogue value.","terms":[{"name":"Comparator","meaning":"A function that assesses the relationship between an input and a reference."},{"name":"Threshold result","meaning":"A discrete indication of the specified comparison condition."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"Isolated signal and control functions","url":"https://www.ti.com/product-category/isolation/overview.html"}],"profileId":"researched-functional-reference","checklist":["Identify the monitored input and comparison condition.","Show the isolation boundary and both reference domains.","Label the output as a threshold result."],"questions":[{"question":"Does the output contain the complete measurement?","answer":"A comparator typically reports which side of a defined threshold the input lies on. A continuously sampled measurement requires a different measurement chain, such as the selected ADC arrangement."}],"steps":["Input versus threshold","Isolated comparison function","Threshold result to controller"],"bidirectional":false},"url":"https://eloragrid.ai/symbols/isolated-comparator","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/isolated-comparator.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-isolation","title":"Isolated signal and control functions","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/isolation/overview.html","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"Isolated signal and control functions: public technical context for the named function. Product and compliance details remain with the publisher."}]}