{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM4040DEM3X-3.0/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM4040DEM3X-3.0-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM4040DEM3X-3.0-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM4040DEM3X-3.0%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM4040DEM3X-3.0/NOPB, shunt voltage reference, fixed 3 V output, ±1% tolerance, 15 mA output, 75 µA cathode current, 35 µVrms noise, SOT-23-3 package, -40°C to 125°C.","salesMarkdown":"## Noise and drift — the so-what for ADC reference duty For a 12-bit system with a 3 V reference (one LSB ≈ 0.73 mV), that drift consumes roughly 0.6 LSBs of error budget — acceptable for most industrial control loops but worth derating if the system targets 14-bit resolution.","metaTitle":"LM4040DEM3X-3.0/NOPB Shunt Voltage Reference, 3 V ±1%","metaDescription":"Texas Instruments LM4040DEM3X-3.0/NOPB shunt voltage reference, fixed 3 V output, ±1% tolerance, 35 µVrms noise, -40°C to 125°C.","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)","Tolerance":"±1%","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Obsolete","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"15 mA","Current - Supply":"-","Current - Cathode":"75 µA","Base Product Number":"LM4040","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"35µVrms","Operating Temperature":"-40°C~125°C(TA)","Supplier Device Package":"SOT-23-3","Temperature Coefficient":"150ppm/°C","Voltage - Output (Min/Fixed)":"3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8c40cf163b5cda64fd88ad5c9f25fe6d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM4040DEM3X-3.0%2FNOPB/alternatives.json"},"ai":{"faq":[{"question":"Can I use LM4040DEM3X-3.0/NOPB as a voltage reference?","answer":"Yes. The LM4040DEM3X-3.0/NOPB is a shunt voltage reference specifically designed for that role. It provides a fixed 3 V output with ±1% tolerance, 35 µVrms noise, and can sink up to 15 mA. It is suitable as a reference for ADCs, DACs, and comparators in industrial-temperature environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM4040DEM3X-3.0-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM4040DEM3X-3.0-NOPB 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}}