{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX491CSD+T","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX491CSDT","canonicalUrl":"https://icboms.com/analog-devices/MAX491CSDT","factsUrl":"https://icboms.com/api/mcp/products/MAX491CSD%2BT","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices MAX491CSD+T RS-485/RS-422 transceiver, full duplex, 2.5 Mbps data rate, 1/1 driver/receiver, 14-SOIC surface mount, 4.75-5.25 V supply, 0°C to 70°C.","salesMarkdown":"## RS-485/RS-422 full-duplex transceiver in 14-SOIC The MAX491CSD+T: It pushes data at 2.5 Mbps over a single twisted pair, with 70 mV of receiver hysteresis to reject noise on long cable runs — useful for industrial bus lines where signal integrity matters more than raw speed.","metaTitle":"MAX491CSD+T RS-485/RS-422 Transceiver, 2.5 Mbps, 14-SOIC","metaDescription":"MAX491CSD+T full-duplex RS-485/RS-422 transceiver, 2.5 Mbps data rate, 70 mV hysteresis, 4.75-5.25 V supply, 14-SOIC. Active production, RoHS3 compliant.","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":"$4.2","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$4.20000","currency":"USD"},{"qty":10,"price":"$3.77400","currency":"USD"},{"qty":25,"price":"$3.56800","currency":"USD"},{"qty":100,"price":"$3.09210","currency":"USD"},{"qty":250,"price":"$2.93356","currency":"USD"},{"qty":500,"price":"$2.63226","currency":"USD"},{"qty":1000,"price":"$2.21998","currency":"USD"},{"qty":2500,"price":"$2.10898","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/602428fed3abfc9496453e492ef2d17c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is MAX491CSD+T's listed type and duplex?","answer":"The MAX491CSD+T is a full-duplex transceiver. It handles RS-485 and RS-422 protocols with one driver and one receiver on-chip."},{"question":"What compliance documentation does Analog Devices provide for MAX491CSD+T?","answer":"The part is ROHS3 compliant. No UL, REACH, or IEC documentation is listed in the available records."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX491CSDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX491CSDT 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}}