{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ISO6721RFBDR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"ISO6721RFBDR","canonicalUrl":"https://icboms.com/texas-instruments/ISO6721RFBDR","factsUrl":"https://icboms.com/api/mcp/products/ISO6721RFBDR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments ISO6721RFBDR, ISO672x Functional Safety (FuSa) series, dual-channel unidirectional digital isolator, 50 Mbps data rate, 3000 Vrms isolation, 100 kV/µs CMTI, 1.71V–1.89V / 2.25V–5.5V supply, 8-SOIC, -40°C to 125°C.","salesMarkdown":"## Dual-channel capacitive isolator for CAN, RS-485, and SPI buses It uses capacitive coupling technology to provide galvanic isolation up to 3000 Vrms across a 1/1 input-side/side-2 channel configuration. The 50 Mbps data rate covers the full-speed range of CAN FD (up to 8 Mbps), RS-485 at several Mbps, and SPI clock rates up to 50 MHz. Propagation delay is a max of 18 ns in both directions, with pulse-width distortion held to 7 ns — tight enough to keep bit timing margins intact on a 1 Mbps CAN FD bus. The 100 kV/µs common-mode transient immunity (CMTI) is the standout spec: it means the isolator won't glitch when a motor drive or inverter switches a high dV/dt across the isolation barrier, a common failure point in variable-frequency drive applications. ## Supply flexibility and 1.8 V logic compatibility No level shifter needed between domains — the isolator handles the translation internally. ## Functional Safety (FuSa) series — what it means The ISO672x series is designated Functional Safety (FuSa), indicating the device is developed with safety-oriented design processes and documentation. While the evidence does not specify a particular SIL rating, the FuSa series classification means the part is intended for systems requiring systematic failure analysis and diagnostic coverage, such as industrial safety relays, servo drives, and automotive functional-safety domains. ## Lifecycle and sourcing posture For dual-sourcing resilience, the ISO6742DWR (4-channel, 5000 Vrms) is a higher-isolation sibling but not a pin-compatible drop-in — the channel count and package differ.","metaTitle":"TI ISO6721RFBDR Dual-Channel Digital Isolator, 50 Mbps","metaDescription":"TI ISO6721RFBDR dual-channel capacitive isolator, 50 Mbps data rate, 3000 Vrms isolation, 100 kV/µs CMTI, -40°C to 125°C, 8-SOIC.","metaKeywords":null},"attributes":{"series":"ISO672x, Functional Safety (FuSa)","packageCase":null,"mountingType":null,"rohsStatus":"Not applicable","productStatus":"Active","categoryPath":["Digital Isolators"],"specifications":{"Type":"CAN, RS232, RS485, SPI","Series":"ISO672x, Functional Safety (FuSa)","Package":"Tape & Reel (TR); Cut Tape (CT)","Data Rate":"50Mbps","Technology":"Capacitive Coupling","Channel Type":"Unidirectional","Mounting Type":"Surface Mount","Isolated Power":"No","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"1.71V ~ 1.89V, 2.25V ~ 5.5V","Number of Channels":"2","Voltage - Isolation":"3000Vrms","Operating Temperature":"-40°C ~ 125°C","Inputs - Side 1/Side 2":"1/1","Rise / Fall Time (Typ)":"2.6ns, 2.6ns","Supplier Device Package":"8-SOIC","Pulse Width Distortion (Max)":"7ns","Propagation Delay tpLH / tpHL (Max)":"18ns, 18ns","Common Mode Transient Immunity (Min)":"100kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.55","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.55000","currency":"USD"},{"qty":10,"price":"$1.39200","currency":"USD"},{"qty":25,"price":"$1.31280","currency":"USD"},{"qty":100,"price":"$1.11860","currency":"USD"},{"qty":250,"price":"$1.05028","currency":"USD"},{"qty":500,"price":"$0.91902","currency":"USD"},{"qty":1000,"price":"$0.76147","currency":"USD"},{"qty":3000,"price":"$0.68175","currency":"USD"},{"qty":6000,"price":"$0.65650","currency":"USD"},{"qty":15000,"price":"$0.63125","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/b21adf199ac5f51883b18ad39d7cfe91.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is ISO6721RFBDR functionally safe?","answer":"Yes, the ISO6721RFBDR belongs to the ISO672x Functional Safety (FuSa) series, meaning it is developed with safety-oriented design processes. The evidence does not specify a particular SIL rating, but the FuSa classification supports use in systems requiring systematic failure analysis."},{"question":"What is the data rate of ISO6721RFBDR?","answer":"The ISO6721RFBDR supports a data rate of 50 Mbps, covering CAN FD, RS-485, and SPI at full speed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/ISO6721RFBDR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/ISO6721RFBDR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}