{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ADM1034ARQ","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"ADM1034ARQ","canonicalUrl":"https://icboms.com/analog-devices/ADM1034ARQ","factsUrl":"https://icboms.com/api/mcp/products/ADM1034ARQ","rawCanonicalId":null},"summary":{"shortDescription":"ADI ADM1034ARQ Thermal Monitor and Fan Speed Controller, ±1°C accuracy, SMBus output, internal and external sensor, 3V to 5.5V supply, -40°C to 125°C, 16-SSOP/QSOP package.","salesMarkdown":"## What the ADM1034ARQ does on a thermal-management bus The ADM1034ARQ from Analog Devices is a combined thermal monitor and fan-speed controller that reads temperature from an internal sensor and one external diode-connected transistor, then drives an SMBus output for host-side monitoring or alarm generation. It integrates an ADC, comparator, multiplexer, and register bank in a single 16-pin SSOP or QSOP package, so a single IC replaces several discrete temperature sensors and fan-control logic blocks on a server, telecom line card, or industrial controller PCB. ## SMBus integration — what the output type means for the bus The ADM1034ARQ communicates over SMBus. The output alarm pin provides a hardware interrupt on over-temperature events. ## Lifecycle and sourcing posture The RoHS status is marked non-compliant — verify your assembly house's exemption policy if the BOM requires full RoHS compliance.","metaTitle":"ADM1034ARQ Thermal Monitor, Fan Control, ±1°C, SMBus","metaDescription":"ADI ADM1034ARQ thermal monitor and fan speed controller. ±1°C accuracy, SMBus output, -40°C to 125°C range. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Bulk","Accuracy":"±1°C","Function":"Fan Control, Temp Monitor","Topology":"ADC, Comparator, Multiplexer, Register Bank","Output Fan":"Yes","Output Type":"SMBus","Sensor Type":"Internal and External","Output Alarm":"Yes","Mounting Type":"Surface Mount","Package / Case":"16-SSOP (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"3V ~ 5.5V","Sensing Temperature":"-40°C ~ 125°C, External Sensor","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"16-QSOP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.16","stockQuantity":0,"priceTiers":[{"qty":73,"price":"$4.16000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8144b2b195837c5cda9bda75b1071bd7.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does ADM1034ARQ work with SMBus?","answer":"Yes. The output type is SMBus, and the part includes an SMBus-compatible serial interface. The alarm output provides a hardware interrupt on over-temperature events, so the host does not need to poll the register bank continuously."},{"question":"Can ADM1034ARQ be used with a 3.3V supply?","answer":"Yes. The supply voltage range is 3V to 5.5V, so a 3.3V rail is within spec. The part will operate on the same 3.3V SMBus without an additional regulator."},{"question":"What is ADM1034ARQ's listed accuracy?","answer":"±1°C across the full -40°C to 125°C operating range. This covers both the internal sensor and the external diode-connected transistor input."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/ADM1034ARQ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/ADM1034ARQ 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}}