{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM4040D20IDCKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM4040D20IDCKR","canonicalUrl":"https://icboms.com/texas-instruments/LM4040D20IDCKR","factsUrl":"https://icboms.com/api/mcp/products/LM4040D20IDCKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM4040D20IDCKR precision shunt voltage reference, fixed 2.048 V output, ±1% tolerance, 80 µA cathode current, 15 mA output, SC-70-5 package, -40°C to 85°C.","salesMarkdown":"## 2.048 V shunt reference in SC-70-5 It operates as a two-terminal shunt regulator, requiring only a single external resistor to set the bias current from the supply rail. ## Temperature stability and noise floor Wideband noise is specified at 35 µVrms from 10 Hz to 10 kHz, low enough for 12-bit ADC applications without additional filtering. Housed in a 5-lead SC-70-5 (SOT-353) package, the LM4040D20IDCKR occupies roughly 2 mm × 2 mm of board area.","metaTitle":"LM4040D20IDCKR Shunt Voltage Reference, 2.048 V ±1%, SC-70-5","metaDescription":"Texas Instruments LM4040D20IDCKR precision shunt reference, fixed 2.048 V output, ±1% tolerance, 80 µA cathode current, SC-70-5 package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Tolerance":"±1%","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"5-TSSOP, SC-70-5, SOT-353","Product Status":"Active","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":"35µVrms","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"SC-70-5","Temperature Coefficient":"150ppm/°C","Voltage - Output (Min/Fixed)":"2.048V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8400","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM4040D20IDCKR/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LM4040D20IDCKR in this component family?","answer":"Within the LM4040 family, the LM4040A20 offers a tighter ±0.1% initial tolerance but is otherwise pin-compatible and functionally identical in the same SC-70-5 package. The LM4040D20IDCKR is the ±1% grade; the A-grade is the precision tier for applications requiring better than 1% initial accuracy."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM4040D20IDCKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM4040D20IDCKR 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}}