{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM4040CIM3-5.0","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM4040CIM3-5.0","canonicalUrl":"https://icboms.com/texas-instruments/LM4040CIM3-5.0","factsUrl":"https://icboms.com/api/mcp/products/LM4040CIM3-5.0","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM4040CIM3-5.0, precision shunt voltage reference, fixed 5V output, ±0.5% tolerance, 80 µVrms noise, SOT-23-3 package, -40°C to 85°C.","salesMarkdown":"## Fixed 5V output with ±0.5% tolerance The ±0.5% initial tolerance places it in the standard-precision tier for this family, suitable for ADC references, comparator thresholds, and regulator feedback networks where 0.5% accuracy is sufficient. ## SOT-23-3 package and industrial temperature range Housed in a SOT-23-3 package (also known as TO-236-3, SC-59), the part is surface-mount and occupies minimal board area. ## Noise and cathode current characteristics","metaTitle":"LM4040CIM3-5.0 Shunt Voltage Reference, 5V ±0.5%, SOT-23-3","metaDescription":"LM4040CIM3-5.0 precision shunt reference, fixed 5V output, ±0.5% tolerance, 80 µVrms noise, SOT-23-3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Tolerance":"±0.5%","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Not For New Designs","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"15 mA","Current - Supply":"-","Current - Cathode":"80 µA","Base Product Number":"LM4040","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"80µVrms","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"SOT-23-3","Temperature Coefficient":"100ppm/°C","Voltage - Output (Min/Fixed)":"5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.4800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8c40cf163b5cda64fd88ad5c9f25fe6d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM4040CIM3-5.0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy LM4040CIM3-5.0?","answer":"The LM4040CIM3-5.0 is obsolete and no longer available through the original manufacturer. It can be sourced through independent distribution channels."},{"question":"What is the accuracy of LM4040CIM3-5.0?","answer":"The initial accuracy is ±0.5% at 25°C. For tighter accuracy, consider the ±0.1% or ±0.2% grades in the same LM4040 family."},{"question":"Does LM4040CIM3-5.0 work as a 5V reference?","answer":"Yes, the LM4040CIM3-5.0 is a fixed 5V shunt reference. It provides a stable 5V output as long as the cathode current is maintained between 80 µA and 15 mA. The shunt resistor value must be calculated based on the supply voltage and load current to keep the device in regulation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM4040CIM3-5.0","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM4040CIM3-5.0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}