{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX491ECSD+T","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX491ECSDT","canonicalUrl":"https://icboms.com/analog-devices/MAX491ECSDT","factsUrl":"https://icboms.com/api/mcp/products/MAX491ECSD%2BT","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices MAX491ECSD+T RS-485/RS-422 transceiver, full duplex, 2.5 Mbps data rate, single driver/receiver pair, 14-SOIC surface-mount package, 4.75-5.25 V supply, 0°C to 70°C operating temperature.","salesMarkdown":"## 2.5 Mbps full-duplex RS-485/RS-422 link The MAX491ECSD+T: The commercial temperature range (0°C to 70°C) suits indoor control and instrumentation backplanes rather than extended industrial or automotive environments. ## Supply rail and signal margin With a single driver/receiver pair, the MAX491ECSD+T is sized for point-to-point or multi-drop RS-485 networks where only one node transmits at a time — the full-duplex pair means the same twisted pair carries transmit and receive simultaneously. ## 14-SOIC footprint and tape-and-reel delivery Housed in a 14-lead SOIC (3.90 mm body width), the part mounts on the standard 1.27 mm pitch SOIC footprint — the package is common enough that no special paste stencil or reflow profile is needed beyond the JEDEC MS-012 variation.","metaTitle":"MAX491ECSD+T RS-485/RS-422 Transceiver, 2.5 Mbps, 14-SOIC","metaDescription":"MAX491ECSD+T full-duplex RS-485/RS-422 transceiver from Analog Devices. 2.5 Mbps data rate, 70 mV receiver hysteresis, 4.75-5.25 V supply.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Type":"Transceiver","Duplex":"Full","Package":"Tape & Reel (TR); Cut Tape (CT)","Protocol":"RS422, RS485","Data Rate":"2.5Mbps","Mounting Type":"Surface Mount","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.75V ~ 5.25V","Receiver Hysteresis":"70 mV","Operating Temperature":"0°C ~ 70°C","Supplier Device Package":"14-SOIC","Number of Drivers/Receivers":"1/1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.41","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.41000","currency":"USD"},{"qty":10,"price":"$4.85600","currency":"USD"},{"qty":25,"price":"$4.59040","currency":"USD"},{"qty":100,"price":"$3.97840","currency":"USD"},{"qty":250,"price":"$3.77436","currency":"USD"},{"qty":500,"price":"$3.38674","currency":"USD"},{"qty":1000,"price":"$2.85628","currency":"USD"},{"qty":2500,"price":"$2.71346","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/44b4a4b2553f52a56d8665981e25a7bf.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the data rate of the MAX491ECSD+T?","answer":"The MAX491ECSD+T supports a maximum data rate of 2.5 Mbps in full-duplex RS-422 or RS-485 mode."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX491ECSDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX491ECSDT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}