{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM45CIM3X-NS","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM45CIM3X-NS","canonicalUrl":"https://icboms.com/texas-instruments/LM45CIM3X-NS","factsUrl":"https://icboms.com/api/mcp/products/LM45CIM3X-NS","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM45CIM3X-NS analog local temperature sensor, 10mV/°C output, ±3°C accuracy, SOT-23-3 surface-mount package, 4V to 10V supply, -20°C to 100°C range.","salesMarkdown":"## 10mV/°C analog output — what the resolution means for your ADC The LM45CIM3X-NS outputs a linear analog voltage scaled at 10mV/°C, so at 25°C the output sits at 250 mV (typ). This direct scaling means no external reference or gain stage is needed for a basic microcontroller ADC — the 10-bit count at 3.3 V reference reads roughly 0.8 counts per °C, giving sub-1°C digital resolution. Accuracy is specified as ±3°C at 25°C, with a ±4°C band across the full -20°C to 100°C range. That ±4°C window is the total uncalibrated error — the sensor's own offset plus the output slope tolerance. For a system that trims at one temperature, the residual error drops to the slope tolerance (roughly ±1°C). ## SOT-23-3 package and surface-mount footprint Housed in a standard SOT-23-3 (TO-236-3 / SC-59) package, the LM45CIM3X-NS occupies a 2.9 mm × 1.3 mm footprint with 0.95 mm pin pitch. The three pins — V+, GND, and Vout — map to a simple layout: a 100 nF bypass cap within 5 mm of the V+ pin keeps the supply clean for the analog output. The supply range of 4 V to 10 V lets it run from a common 5 V rail or a 9 V battery without an extra regulator. At 4 V the output at 100°C is 1.0 V, leaving headroom above the 0.8 V dropout of many LDOs — so a 3.3 V system needs a rail-to-rail ADC or a level shifter. ## Active production, RoHS non-compliant — sourcing reality Texas Instruments lists the LM45CIM3X-NS as Active, so it remains in the factory portfolio and is not subject to a last-time-buy or EOL notice. However, the RoHS status is marked non-compliant — this part contains lead (Pb) in the solder finish or die-attach above the exemption threshold. That means it cannot ship into RoHS-restricted regions (EU, UK, California) unless covered by an exemption, but it is fully acceptable for military, aerospace, or industrial equipment with a RoHS waiver. Because it is a mature, active part with a non-compliant finish, stock turns over slowly through authorized channels. Sourcing is confirmed per RFQ — we verify date-code consistency and traceability from the authorized chain to avoid re-marked or sanded units that sometimes appear on the spot market for legacy temp sensors.","metaTitle":"Texas Instruments LM45CIM3X-NS Analog Temp Sensor, 10mV/°C","metaDescription":"Active TI LM45CIM3X-NS analog local temp sensor, 10mV/°C resolution, ±3°C accuracy, SOT-23-3, 4-10V supply. RoHS non-compliant. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Bulk","Resolution":"10mV/°C","Output Type":"Analog Voltage","Sensor Type":"Analog, Local","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Test Condition":"25°C (-20°C ~ 100°C)","lifecycle_stage":"eol_hot","Voltage - Supply":"4V ~ 10V","Operating Temperature":"-20°C ~ 100°C","Supplier Device Package":"SOT-23-3","Accuracy - Highest (Lowest)":"±3°C (±4°C)","Sensing Temperature - Local":"-20°C ~ 100°C"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.99","stockQuantity":0,"priceTiers":[{"qty":305,"price":"$0.99000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/dcc60a02afe1768ad0551c689ca0c24a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy LM45CIM3X-NS and get a price?","answer":"Submit an RFQ for your BOM quantity and target delivery window."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM45CIM3X-NS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM45CIM3X-NS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}