{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX921CSA+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX921CSA","canonicalUrl":"https://icboms.com/analog-devices/MAX921CSA","factsUrl":"https://icboms.com/api/mcp/products/MAX921CSA%2B","rawCanonicalId":null},"summary":{"shortDescription":"Maxim MAX921CSA+ single-supply comparator with integrated voltage reference, 50mV hysteresis, 5µA max quiescent current, 12µs propagation delay, CMOS/TTL output, 8-SOIC surface-mount package, commercial temperature range 0°C to 70°C.","salesMarkdown":"## Single-supply comparator with a built-in reference The Maxim MAX921CSA+ is a single-supply comparator that integrates a voltage reference on-chip, saving an external reference IC and its associated PCB area. It delivers a 50mV hysteresis band, which eliminates output chatter on slow-moving input signals without external positive feedback resistors. The 5µA maximum quiescent current makes this part a fit for battery-operated threshold detectors, window comparators, and low-power sensor interfaces where every microamp counts. ## 12µs propagation delay — what it means for your loop The 12µs max propagation delay sets the response speed of the comparator. ## Lifecycle and sourcing The MAX921CSA+ carries an Active lifecycle status and is ROHS3 compliant. No end-of-life notice or last-time-buy window has been announced.","metaTitle":"MAX921CSA+ Comparator with Voltage Reference","metaDescription":"Maxim MAX921CSA+ single-supply comparator with integrated voltage reference, 50mV hysteresis, 5µA quiescent current, 12µs propagation delay.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Type":"with Voltage Reference","Package":"Tube","Hysteresis":"50mV","Output Type":"CMOS, TTL","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","CMRR, PSRR (Typ)":"80dB CMRR, 80dB PSRR","Number of Elements":"1","Operating Temperature":"0°C ~ 70°C","Current - Output (Typ)":"50mA","Propagation Delay (Max)":"12µs","Supplier Device Package":"8-SOIC","Current - Quiescent (Max)":"5µA","Voltage - Input Offset (Max)":"10mV @ 5V","Voltage - Supply, Single/Dual (±)":"2.5V ~ 11V, ±1.25V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.21","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$7.21000","currency":"USD"},{"qty":10,"price":"$6.51400","currency":"USD"},{"qty":25,"price":"$6.21160","currency":"USD"},{"qty":100,"price":"$5.39340","currency":"USD"},{"qty":250,"price":"$5.15100","currency":"USD"},{"qty":500,"price":"$4.69650","currency":"USD"},{"qty":1000,"price":"$4.54500","currency":"USD"}]},"links":{"datasheetUrl":"https://www.analog.com/media/en/technical-documentation/data-sheets/max921-max924.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to MAX921CSA+?","answer":"The MAX921 series includes several pin-compatible comparators with the same 8-SOIC footprint and pinout. The MAX922 and MAX923 differ in hysteresis level and internal reference voltage. Verify the specific hysteresis and reference voltage required by your design before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX921CSA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX921CSA 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}}