{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"AD231AR","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"AD231AR","canonicalUrl":"https://icboms.com/analog-devices/AD231AR","factsUrl":"https://icboms.com/api/mcp/products/AD231AR","rawCanonicalId":null},"summary":{"shortDescription":"AD231AR, AD231 series, RS-232 transceiver, full duplex, 2/2 drivers/receivers, 500 mV receiver hysteresis, dual supply 4.5V–5.5V / 7.5V–13.2V, -40°C to 85°C, 16-SOIC surface-mount package.","salesMarkdown":"## RS-232 transceiver with dual-rail supply and 500 mV hysteresis The AD231AR is a full-duplex RS-232 transceiver with two drivers and two receivers, housed in a 16-SOIC surface-mount package. It is part of the AD231 series and operates over the industrial temperature range of -40°C to 85°C, making it suitable for factory automation, outdoor telecom, and instrumentation panels where serial communication must survive thermal cycling. Receiver hysteresis is 500 mV. ## RoHS non-compliance — plan for exemptions or lead-free alternative RoHS status is non-compliant.","metaTitle":"AD231AR RS-232 Transceiver, 2/2 Driver/Receiver, 16-SOIC","metaDescription":"AD231AR RS-232 transceiver, full duplex, 2/2 drivers/receivers, 500 mV hysteresis, dual supply 4.5–5.5V / 7.5–13.2V, -40°C to 85°C, 16-SOIC.","metaKeywords":null},"attributes":{"series":"AD231","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Type":"Transceiver","Duplex":"Full","Series":"AD231","Package":"Bulk","Protocol":"RS232","Mounting Type":"Surface Mount","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V, 7.5V ~ 13.2V","Receiver Hysteresis":"500 mV","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"16-SOIC","Number of Drivers/Receivers":"2/2"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.47","stockQuantity":0,"priceTiers":[{"qty":205,"price":"$1.47000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/57c490dc68500223d97fef3be96ecd5f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is AD231AR compatible with 5V logic?","answer":"Yes — the logic supply range of 4.5V to 5.5V directly accepts standard 5V CMOS/TTL logic levels without external level shifting."},{"question":"Is AD231AR equivalent to MAX232?","answer":"Both are full-duplex RS-232 transceivers with 2/2 driver/receiver counts, but the AD231AR uses a dual-rail supply (5V logic + 7.5–13.2V charge-pump) versus the MAX232's single 5V supply with internal charge pump. They are not pin-compatible; verify the supply scheme before substituting."},{"question":"What is AD231AR's listed type and duplex?","answer":"The device type is Transceiver, and the duplex mode is Full — it can transmit and receive simultaneously on separate signal pairs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/AD231AR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/AD231AR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-14T00:11:59.435Z","lastPublished":"2026-07-14T00:11:59.435Z","indexable":true}}