{"schemaVersion":1,"slug":"capacitive-digital-isolator","name":"Capacitive digital isolator","kind":"symbol","abbreviation":"DIG-ISO","aliases":["digital isolator","capacitive isolation IC"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Transfers digital information between separately referenced electrical domains through a capacitive isolation structure.","description":["Transfers digital information between separately referenced electrical domains through a capacitive isolation structure.","On a schematic, identify the two domain supplies, channel directions and isolation boundary and trace the isolated data, enable and fault/status paths. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A digital isolator transfers logic; it does not by itself provide an isolated power supply.","The preview is an independently drawn educational functional reference. Add the selected component’s actual power pins, terminal numbers, timing or analogue reference details when producing a construction drawing."],"readingNotes":["Identify the two domain supplies, channel directions and isolation boundary.","Trace the isolated data, enable and fault/status paths."],"drawingChecklist":["Label the two domain supplies, channel directions and isolation boundary.","Cross-reference the isolated data, enable and fault/status paths.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A digital isolator transfers logic; it does not by itself provide an isolated power supply.","facts":[{"label":"Common schematic mnemonic","value":"DIG-ISO — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The two domain supplies, channel directions and isolation boundary"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-digital-isolator","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["plc-digital-input","diode"],"artwork":"electronics-digital-isolator","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/capacitive-digital-isolator","illustration":{"url":"https://eloragrid.ai/library/illustrations/capacitive-digital-isolator.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-digital-isolator","title":"ISO7741 — capacitive digital isolation","publisher":"Texas Instruments","url":"https://www.ti.com/product/ISO7741","type":"manufacturer","scope":"Public device-function and terminal documentation used as an example of capacitive digital isolation. Example part numbers are manufacturer identifiers, not IEC/IEEE symbol IDs. Device ratings, pin numbering and availability remain in the selected product documentation.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}