{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ADUM7640ARQZ","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"ADUM7640ARQZ","canonicalUrl":"https://icboms.com/analog-devices/ADUM7640ARQZ","factsUrl":"https://icboms.com/api/mcp/products/ADUM7640ARQZ","rawCanonicalId":null},"summary":{"shortDescription":"ADI iCoupler ADUM7640ARQZ, General Purpose Digital Isolator, Magnetic Coupling, 1Mbps, 1000Vrms, 6-Ch Unidirectional, 3V-5.5V, -40°C~105°C, 20-SSOP/QSOP.","salesMarkdown":"The ADUM7640ARQZ is a six-channel digital isolator from ADI's iCoupler family, using magnetic coupling to pass digital signals across a 1000 Vrms isolation barrier. All six channels are unidirectional and oriented the same direction — six inputs on side 1, zero on side 2 — so this part works as a pure buffer or level shifter from one domain to another, not a bidirectional transceiver. Data rate tops out at 1 Mbps, with typical rise/fall times of 2 ns and a maximum propagation delay of 75 ns each way. The package is a 20-lead SSOP (0.154\" body width), also specified as the supplier device package 20-QSOP. ## 1 Mbps data rate — the bandwidth gate The 1 Mbps data rate is the hard ceiling for this isolator. If your isolation channel carries SPI clocks above 1 MHz, CAN FD at 5 Mbps, or any serial link faster than a slow UART, this part won't close timing. The sibling ADUM7643CRQZ runs at 25 Mbps with a 3/3 input split, which opens up faster protocols but costs more per channel. For simple GPIO isolation, status signal crossing, or low-speed sensor readout at 1 Mbps or below, the ADUM7640ARQZ is the cost-effective pick. ADI lists the ADUM7640ARQZ as Active. No last-time-buy clock ticking. ## Common-mode transient immunity — why 15 kV/µs matters The minimum common-mode transient immunity (CMTI) is 15 kV/µs. In plain terms: when the ground on one side of the barrier jumps by thousands of volts in a microsecond — as it does in a motor drive IGBT switching event or a mains-fed SMPS — this isolator won't glitch or latch up. If your application has fast-switching power stages or long cables that pick up coupled noise, that CMTI rating is the spec that keeps the data clean. Designs with quiet, low-dV/dt environments can relax, but for industrial drives and inverters this is the number that matters. ## Temperature range and supply flexibility No isolated power converter is integrated — you supply the secondary-side rail separately.","metaTitle":"ADUM7640ARQZ iCoupler Digital Isolator, 1 Mbps, 6-Ch","metaDescription":"ADUM7640ARQZ general-purpose magnetic-coupled digital isolator. 1 Mbps data rate, 1000 Vrms isolation, 6 unidirectional channels, 3V-5.5V supply.","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":"1Mbps","Technology":"Magnetic Coupling","Channel Type":"Unidirectional","Mounting Type":"Surface Mount","Isolated Power":"No","Package / Case":"20-SSOP (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"3V ~ 5.5V","Number of Channels":"6","Voltage - Isolation":"1000Vrms","Operating Temperature":"-40°C ~ 105°C","Inputs - Side 1/Side 2":"6/0","Rise / Fall Time (Typ)":"2ns, 2ns","Supplier Device Package":"20-QSOP","Pulse Width Distortion (Max)":"25ns","Propagation Delay tpLH / tpHL (Max)":"75ns, 75ns","Common Mode Transient Immunity (Min)":"15kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.49","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$6.49000","currency":"USD"},{"qty":10,"price":"$5.86300","currency":"USD"},{"qty":25,"price":"$5.59040","currency":"USD"},{"qty":100,"price":"$4.85410","currency":"USD"},{"qty":250,"price":"$4.63592","currency":"USD"},{"qty":500,"price":"$4.22684","currency":"USD"},{"qty":1000,"price":"$3.68145","currency":"USD"},{"qty":2500,"price":"$3.54510","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/93e0a1fb345b95b19dbf42120391027c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is ADUM7640ARQZ compatible with 3.3V systems?","answer":"Yes. The same part also runs on 5 V, making it a single BOM line for mixed-voltage designs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/ADUM7640ARQZ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/ADUM7640ARQZ 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}}