{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ADUM1280BRZ","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"ADUM1280BRZ","canonicalUrl":"https://icboms.com/analog-devices/ADUM1280BRZ","factsUrl":"https://icboms.com/api/mcp/products/ADUM1280BRZ","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices ADUM1280BRZ iCoupler, General Purpose digital isolator, 2-channel unidirectional, 25 Mbps, 3000 Vrms isolation, 3 V to 5.5 V supply, -40°C to 125°C, 8-SOIC.","salesMarkdown":"The ADUM1280BRZ is a 2-channel, unidirectional digital isolator from Analog Devices' iCoupler family, built on magnetic coupling technology. It delivers 25 Mbps per channel with a 3000 Vrms isolation rating, making it a fit for breaking ground loops and providing galvanic isolation in industrial fieldbus interfaces, motor-drive control signals, and isolated SPI or UART links. At 25 Mbps the ADUM1280BRZ handles most industrial serial protocols — SPI up to 25 MHz clock, UART at standard baud rates, and CAN at 1 Mbps with margin. The 35 ns max propagation delay (tpLH / tpHL) and 3 ns pulse-width distortion keep the timing budget tight enough for a 25 MHz SPI bus without cycle stretching. If your design runs a higher-speed parallel bus or a 50+ Mbps serial link, you will need a faster isolator; for the majority of sensor and actuator interfaces this is the right speed tier. ## 3000 Vrms isolation and 25 kV/µs CMTI — the safety and noise margins The 3000 Vrms isolation rating qualifies the part for reinforced insulation in mains-connected industrial equipment per IEC 60747-5-5. The 25 kV/µs common-mode transient immunity (CMTI) is the spec that matters when the isolator sits on a motor-drive or inverter phase leg: fast-switching IGBT edges can inject several kV/µs across the barrier, and if the isolator's CMTI is too low, data errors appear. 25 kV/µs is a solid margin for most 600 V and 1200 V inverter designs. ## Sourcing and lifecycle For dual-sourcing or a cost-optimized alternate, the ADUM1200BRZ is a pin-compatible 2-channel unidirectional isolator but at a lower data rate (10 Mbps) and lower isolation (2500 Vrms) — check whether the reduced margin fits your application before substituting.","metaTitle":"ADUM1280BRZ Digital Isolator, 25 Mbps, 3000 Vrms, 8-SOIC","metaDescription":"ADUM1280BRZ iCoupler 2-channel unidirectional digital isolator. 25 Mbps data rate, 3000 Vrms isolation, -40°C to 125°C. Active, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"iCoupler®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Digital Isolators"],"specifications":{"Type":"General Purpose","Series":"iCoupler®","Package":"Tube","Data Rate":"25Mbps","Technology":"Magnetic 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":"3V ~ 5.5V","Number of Channels":"2","Voltage - Isolation":"3000Vrms","Operating Temperature":"-40°C ~ 125°C","Inputs - Side 1/Side 2":"2/0","Rise / Fall Time (Typ)":"2.5ns, 2.5ns","Supplier Device Package":"8-SOIC","Pulse Width Distortion (Max)":"3ns","Propagation Delay tpLH / tpHL (Max)":"35ns, 35ns","Common Mode Transient Immunity (Min)":"25kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.83","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.83000","currency":"USD"},{"qty":10,"price":"$3.43700","currency":"USD"},{"qty":25,"price":"$3.24960","currency":"USD"},{"qty":100,"price":"$2.81640","currency":"USD"},{"qty":250,"price":"$2.67196","currency":"USD"},{"qty":500,"price":"$2.39754","currency":"USD"},{"qty":1000,"price":"$2.02202","currency":"USD"},{"qty":2500,"price":"$1.92092","currency":"USD"},{"qty":5000,"price":"$1.84870","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8e75547927d6f41e80c5c7dd03fbac65.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is ADUM1280BRZ compatible with 3.3 V logic?","answer":"Yes. The inputs are unidirectional from Side 1 to Side 2, so the input-side supply voltage sets the logic threshold for the incoming signal."},{"question":"What is the difference between ADUM1280BRZ and ADUM1280ARZ?","answer":"The ADUM1280ARZ is a lower-speed variant in the same package and isolation rating, with a 1 Mbps data rate and 50 ns propagation delay. The ADUM1280BRZ runs at 25 Mbps with 35 ns delay — choose the BRZ when the interface clock rate exceeds 1 Mbps."},{"question":"Is ADUM1280BRZ RoHS compliant?","answer":"Yes, it is ROHS3 compliant per the manufacturer's listing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/ADUM1280BRZ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/ADUM1280BRZ 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}}