{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX531BESD+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX531BESD","canonicalUrl":"https://icboms.com/analog-devices/MAX531BESD","factsUrl":"https://icboms.com/api/mcp/products/MAX531BESD%2B","rawCanonicalId":null},"summary":{"shortDescription":"Maxim MAX531BESD+, 12-bit voltage-output DAC, SPI, ±1 LSB INL/DNL, 25µs settling, ±5V analog / 5V digital supply, -40°C to +85°C, 14-SOIC.","salesMarkdown":"## 12-bit voltage-output DAC with SPI — what it is and where it fits The Maxim MAX531BESD+ is a single-channel 12-bit digital-to-analog converter with a buffered voltage output, using an R-2R ladder architecture. It communicates over a standard SPI interface, making it a straightforward drop-in for any system with a spare SPI port and a need for a precision analog output. The part operates from a split ±5 V analog supply and a separate 5 V digital supply, which keeps the analog and digital domains isolated on the board — useful when you are feeding a downstream analog stage that expects a clean bipolar swing. ## Key ratings and what they mean for the BOM The 25 µs typical settling time to 1 LSB sets the update rate. At 40 kHz full-scale steps, this DAC keeps up with most slow-loop control or sensor-excitation updates. If your application needs faster throughput — say, audio-rate or high-speed arbitrary waveform generation — you will want a current-output or segmented DAC with a sub-microsecond settling time. For motor-drive current references, PLC analog outputs, or programmable voltage sources, 25 µs is adequate. The industrial temperature range (-40°C to +85°C) covers factory-floor enclosures, outdoor telecom cabinets, and under-hood automotive auxiliary modules. The 14-SOIC package is a common footprint; board layout is straightforward, and the SPI bus keeps the digital trace count low. ## Lifecycle and compliance — no surprises The MAX531BESD+ is listed as Active with ROHS3 compliance. For a BOM freeze or a new design, this part is a safe choice — you are not inheriting an obsolescence risk. The ROHS3 status covers the full substance restriction list, so it passes the compliance gate for EU and most global markets without an exemption review.","metaTitle":"MAX531BESD+ 12-Bit DAC, Voltage Output, SPI, 14-SOIC","metaDescription":"Maxim MAX531BESD+ 12-bit voltage-output DAC, SPI interface, ±1 LSB INL/DNL, 25µs settling, -40°C to +85°C, 14-SOIC. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Package":"Tube","Output Type":"Voltage - Buffered","Architecture":"R-2R","INL/DNL (LSB)":"±1 (Max), ±1 (Max)","Mounting Type":"Surface Mount","Settling Time":"25µs (Typ)","Data Interface":"SPI","Number of Bits":"12","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","Reference Type":"External, Internal","lifecycle_stage":"eol_hot","Differential Output":"No","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"14-SOIC","Number of D/A Converters":"1","Voltage - Supply, Analog":"±5V","Voltage - Supply, Digital":"5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$19.32","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$19.32000","currency":"USD"},{"qty":10,"price":"$17.75800","currency":"USD"},{"qty":25,"price":"$17.02200","currency":"USD"},{"qty":100,"price":"$14.99780","currency":"USD"},{"qty":250,"price":"$14.26172","currency":"USD"},{"qty":500,"price":"$13.34160","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/460a72ed9c4b6258c76a76373bc4adb3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does MAX531BESD+ have an SPI interface?","answer":"Yes, the data interface is SPI. It accepts serial data from a microcontroller or DSP and updates the analog output on the rising edge of the chip-select signal."},{"question":"Is MAX531BESD+ RoHS compliant?","answer":"Yes, it is ROHS3 compliant, covering all ten restricted substances plus the four phthalates."},{"question":"What is the closest pin-compatible alternative to MAX531BESD+?","answer":"Within the same Maxim family, the MAX531BCSD+ is a functional equivalent with the same pinout, resolution, and interface, but specified over the commercial temperature range (0°C to +70°C). For industrial temperature, the MAX531BESD+ is the correct choice."},{"question":"What is the output type and package of MAX531BESD+?","answer":"The output type is Voltage - Buffered, meaning the DAC output is internally buffered and can drive a moderate load directly. The package is a 14-SOIC (0.154\", 3.90 mm width) in Tube form."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX531BESD","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX531BESD 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}}