{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MCP3551-E/SN","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"MCP3551-E-SN","canonicalUrl":"https://icboms.com/microchip/MCP3551-E-SN","factsUrl":"https://icboms.com/api/mcp/products/MCP3551-E%2FSN","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology MCP3551-E/SN, 22-bit Sigma-Delta ADC, Differential Input, SPI Interface, 14 SPS, 8-SOIC (0.154\", 3.90mm Width), -40°C to 125°C, Tube.","salesMarkdown":"## What the 14 SPS sampling rate buys you The MCP3551-E/SN: The differential input (Input Type: Differential) means the ADC measures the voltage difference between the two input pins, not the signal relative to ground. That cancels common-mode noise picked up on long sensor leads — a thermocouple run across a motor drive cabinet stays readable. ## Supply rails and temperature grade The -40°C to 125°C operating range covers automotive under-hood and industrial oven-adjacent environments. The part comes in an 8-SOIC package (0.154\" body width, 3.90 mm), surface-mount, shipped in a tube. The SPI data interface uses just four wires (SCK, SDO, CS, and the external reference input), so it ties into any microcontroller with a spare SPI port. The MCP3551-E/SN is listed as Active — Microchip continues to manufacture it. It is RoHS3 compliant.","metaTitle":"Microchip MCP3551-E/SN 22-bit Sigma-Delta ADC, 8-SOIC","metaDescription":"Active Microchip MCP3551-E/SN 22-bit sigma-delta ADC, differential input, SPI, 14 SPS, -40°C to 125°C, 8-SOIC. RoHS3. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tube","Input Type":"Differential","Architecture":"Sigma-Delta","Configuration":"ADC","Mounting Type":"Surface Mount","Data Interface":"SPI","Number of Bits":"22","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","Reference Type":"External","lifecycle_stage":"eol_hot","Number of Inputs":"1","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"8-SOIC","Number of A/D Converters":"1","Voltage - Supply, Analog":"2.7V ~ 5.5V","Voltage - Supply, Digital":"2.7V ~ 5.5V","Sampling Rate (Per Second)":"14"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.8","priceTiers":[{"qty":1,"price":"$3.80000","currency":"USD"},{"qty":25,"price":"$3.61240","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/4813c692fe1a1b18cbd649e8730fa1e3.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MCP3551-E%2FSN/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/MCP3551-E-SN","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/MCP3551-E-SN when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}