{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MCP4552T-503E/MF","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"MCP4552T-503E-MF","canonicalUrl":"https://icboms.com/microchip/MCP4552T-503E-MF","factsUrl":"https://icboms.com/api/mcp/products/MCP4552T-503E%2FMF","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology MCP4552T-503E/MF digital potentiometer, Linear taper, 50kOhm, 257 taps, I²C interface, Volatile memory, Rheostat configuration, 8-VDFN Exposed Pad package, Tape & Reel.","salesMarkdown":"## 257-tap I²C digipot for precision analog trimming The MCP4552T-503E/MF is a single-channel, 50 kOhm digital potentiometer from Microchip, configured as a rheostat with 257 wiper taps. The I²C interface and volatile memory make it a straightforward drop-in for processor-controlled gain, offset, or bias adjustments in analog signal chains. The 8-DFN (3x3 mm) exposed-pad package pulls heat into the board plane — the pad should be soldered to a copper pour for thermal relief in high-ambient designs. ## Taper, tolerance, and temperature drift Linear taper means the resistance between the wiper and terminal B changes in equal steps across the 257 positions — each step is 50 kOhm / 256 ≈ 195 Ohm. The ±20% absolute tolerance on the end-to-end resistance is typical for digital pots; the ratiometric accuracy between taps is tighter, which is what matters in divider applications. Temperature coefficient is 150 ppm/°C typical. The wiper resistance is 75 ohms typical, adding a small series offset that becomes significant only at the lowest resistance settings. ## Bus integration and addressability The I²C interface runs on the same 1.8V to 5.5V rail as the pot core — no level translator needed if the bus voltage matches. The selectable address feature (tied to an external pin) lets two MCP4552 devices share the same I²C bus without conflict. The mute function forces the wiper to the B terminal position, useful for power-on muting in audio paths or for setting a known start state during calibration.","metaTitle":"MCP4552T-503E/MF Digital Potentiometer, 50kOhm, 257-Tap, I²C","metaDescription":"Microchip MCP4552T-503E/MF digital potentiometer, 50kOhm, 257 taps, I²C, 1.8-5.5V, -40 to +125°C, 8-DFN. Active production, ROHS3. Request a quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Taper":"Linear","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Mute, Selectable Address","Interface":"I²C","Tolerance":"±20%","Memory Type":"Volatile","Configuration":"Rheostat","Mounting Type":"Surface Mount","Number of Taps":"257","Package / Case":"8-VDFN Exposed Pad","lifecycle_stage":"eol_hot","Voltage - Supply":"1.8V ~ 5.5V","Resistance (Ohms)":"50k","Number of Circuits":"1","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"8-DFN (3x3)","Temperature Coefficient (Typ)":"150ppm/°C","Resistance - Wiper (Ohms) (Typ)":"75"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.21","priceTiers":[{"qty":1,"price":"$1.21000","currency":"USD"},{"qty":25,"price":"$1.00720","currency":"USD"},{"qty":100,"price":"$0.93000","currency":"USD"},{"qty":3300,"price":"$0.93000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/53a6dc171a391bd352593a49c9b87689.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MCP4552T-503E%2FMF/alternatives.json"},"ai":{"faq":[{"question":"How does MCP4552T-503E/MF compare to MCP4014T-103E/OT?","answer":"The MCP4014 is a 10 kOhm, 64-tap digital pot with an Up/Down (U/D, CS) interface in an SOT-23-5 package. The MCP4552 offers four times the resolution (257 vs 64 taps), a 50 kOhm value, I²C bus control, and the 8-DFN footprint with an exposed pad. They are not pin-compatible — a board layout change is required to swap between them."},{"question":"What is the wiper resistance and temperature coefficient?","answer":"Typical wiper resistance is 75 ohms."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/MCP4552T-503E-MF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/MCP4552T-503E-MF 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}}