{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LTC2634CUD-HZ12#PBF","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"LTC2634CUD-HZ12PBF","canonicalUrl":"https://icboms.com/analog-devices/LTC2634CUD-HZ12PBF","factsUrl":"https://icboms.com/api/mcp/products/LTC2634CUD-HZ12%23PBF","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices LTC2634CUD-HZ12#PBF quad 12-bit DAC, voltage-buffered output, SPI interface, 4.8 µs settling, 16-QFN 3x3 mm, tube packaging.","salesMarkdown":"## Quad 12-bit DAC with SPI — what the ratings mean for your BOM The LTC2634CUD-HZ12#PBF is a quad 12-bit digital-to-analog converter from Analog Devices, packaged in a 16-QFN 3x3 mm footprint. It delivers four independent voltage-buffered outputs via a single SPI bus — one chip handles four analog setpoints, saving board space over four separate single-channel DACs. The 12-bit resolution with ±1 LSB max INL/DNL means the output voltage lands within 1/4096 of full scale from the ideal value. For a 5V reference, that is about 1.2 mV of absolute accuracy — tight enough for most trim, bias, and setpoint loops without external calibration. Settling time is 4.8 µs typical to within 1 LSB. That sets the per-channel update rate ceiling around 200 kHz — fast enough for audio-rate control loops or waveform generation, but not for high-speed arbitrary waveform synthesis. ## Supply rails and reference — single 5V operation Both analog and digital supply rails are 5V — no separate DVCC or split-rail requirement. This simplifies the power tree: a single 5V rail feeds the DAC and the MCU's SPI port, with the analog output swing rail-to-rail from 0V to 5V. The reference can be either external (applied to the REF pin) or internal — the part integrates a 10 ppm/°C typical reference. Using the internal reference saves one external component and one PCB trace; using an external reference lets you match the DAC span to an existing system reference voltage. ## Package and board-fit — 16-QFN with exposed pad Tube packaging means the parts ship in anti-static tubes, not tape-and-reel. For a kitting line feeding a pick-and-place, plan to transfer to a feeder-compatible carrier or hand-place for prototype runs — the tube format is common for engineering samples and low-volume production. ## Temperature grade and lifecycle — commercial range, active production This covers most bench, lab, and indoor industrial equipment but not extended-temperature environments like engine bays or outdoor telecom cabinets.","metaTitle":"LTC2634CUD-HZ12#PBF DAC, 12-Bit, 4-Ch, SPI, 16-QFN","metaDescription":"Analog Devices LTC2634CUD-HZ12#PBF 12-bit quad DAC with voltage-buffered output, SPI interface, 4.8 µs settling. Active production, RoHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tube","Output Type":"Voltage - Buffered","INL/DNL (LSB)":"±1, ±1 (Max)","Mounting Type":"Surface Mount","Settling Time":"4.8µs (Typ)","Data Interface":"SPI","Number of Bits":"12","Package / Case":"16-WFQFN Exposed Pad","Reference Type":"External, Internal","lifecycle_stage":"eol_hot","Differential Output":"No","Operating Temperature":"0°C ~ 70°C","Supplier Device Package":"16-QFN (3x3)","Number of D/A Converters":"4","Voltage - Supply, Analog":"5V","Voltage - Supply, Digital":"5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.9","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$10.90000","currency":"USD"},{"qty":10,"price":"$10.01900","currency":"USD"},{"qty":25,"price":"$9.60400","currency":"USD"},{"qty":100,"price":"$8.46200","currency":"USD"},{"qty":250,"price":"$8.04668","currency":"USD"},{"qty":500,"price":"$7.52752","currency":"USD"},{"qty":1000,"price":"$6.90456","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/48c06e67d7c99ce7c57c314f66ab6227.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the output type and how does it affect my circuit?","answer":"The output type is Voltage - Buffered, meaning each DAC channel includes an internal buffer amplifier that can drive the output pin directly without an external op-amp. The buffer provides low output impedance and rail-to-rail swing, so the DAC output can directly drive the input of an ADC, comparator, or analog multiplexer."},{"question":"What package does LTC2634CUD-HZ12#PBF come in?","answer":"It comes in a 16-WFQFN exposed pad package (3x3 mm body), supplied in Tube format."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/LTC2634CUD-HZ12PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/LTC2634CUD-HZ12PBF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}