MCP4651T-503E

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp4651t-503e",
  "title": "MCP4651T-503E",
  "brief": "Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "adc-dac-data conversion",
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    "extractor-text"
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  "component": {
    "mpn": "MCP4651T-503E",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/119d1f868bb0428d90f58d0a45154443.pdf",
    "parts": {
      "symbol": "mcp4651t-503e.kicad_sym",
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      "model_3d": "mcp4651t-503e-hero.glb",
      "model_3d_plain": "mcp4651t-503e-etched.glb",
      "model_3d_step": "mcp4651t-503e-etched.step",
      "model_3d_step_plain": "mcp4651t-503e.step",
      "lbr": "mcp4651t-503e.lbr"
    },
    "distributor_links": {
      "lcsc": "C627328"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:56:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HVC/A0",
        "type": "input",
        "description": "Address 0 input for the I2C interface that doubles as the High Voltage command pin; the HV-tolerant digital inputs support up to 12.5V."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input; as a slave device it accepts only external clock signals from the host."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data I/O implemented as an open-drain N-channel driver."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference for the VDD supply and all terminal voltages."
      },
      {
        "number": "5",
        "name": "P1B",
        "type": "passive",
        "description": "Potentiometer 1 terminal B; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "6",
        "name": "P1W",
        "type": "passive",
        "description": "Potentiometer 1 wiper terminal; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "7",
        "name": "P1A",
        "type": "passive",
        "description": "Potentiometer 1 terminal A; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "8",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 terminal A; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "9",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "10",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 terminal B; the voltage on this terminal must be between VSS and VDD and it can carry positive or negative current."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin; it should be connected to VDD or VSS."
      },
      {
        "number": "12",
        "name": "A2",
        "type": "input",
        "description": "Address 2 input for the I2C interface; together with A1 and A0, up to eight devices can share one I2C bus."
      },
      {
        "number": "13",
        "name": "A1",
        "type": "input",
        "description": "Address 1 input for the I2C interface; together with A2 and A0, up to eight devices can share one I2C bus."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input relative to VSS; electrical performance may not meet data sheet specifications while VDD is below 2.7V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers MCP453X/455X/463X/465X. The TSSOP-14 pinout was taken from the 14L pot column o"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0232,
        "at": "2026-10-27T01:55:50"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/119d1f868bb0428d90f58d0a45154443.pdf",
        "pages": 102,
        "sha256": "ee77464c39584a73",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
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        "checked": "2026-10-27",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TSSOP-14",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ee77464c39584a7313b41fafe53dddc3975cf98d85911d19da0c6a5d58d1bda8",
      "rows": [
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          "name": "Supply voltage VDD with respect to VSS",
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          "max": 7,
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          "conditions": "VI < 0, VI > VDD, VI > VPP ON HV pins",
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          "conditions": "VO < 0 or VO > VDD",
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        {
          "name": "Maximum output current sunk by any Output pin",
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        {
          "name": "Maximum output current sourced by any Output pin",
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        {
          "name": "Maximum current out of VSS pin",
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          "kind": "absolute_maximum",
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        {
          "name": "Maximum current into PXA, PXW and PXB pins",
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          "unit": "mA",
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        {
          "name": "Storage temperature",
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          "unit": "°C",
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          "name": "Ambient temperature with power applied",
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        {
          "name": "Package power dissipation, TSSOP-14",
          "symbol": "",
          "kind": "thermal",
          "unit": "W",
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          "typ": null,
          "max": 1,
          "conditions": "TA = +50°C, TJ = +150°C",
          "source_page": 3,
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          "name": "Maximum junction temperature",
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          "name": "Soldering temperature of leads",
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          "conditions": "10 seconds",
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        {
          "name": "ESD protection on all pins (HBM)",
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          "unit": "kV",
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        {
          "name": "ESD protection on all pins (MM)",
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        {
          "name": "Supply voltage VDD",
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          "name": "HVC pin voltage range",
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          "conditions": "VDD ≥ 4.5V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "VDD start voltage to ensure wiper reset",
          "symbol": "VBOR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.65,
          "conditions": "RAM retention voltage (VRAM) < VBOR",
          "source_page": 4,
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        },
        {
          "name": "Delay after device exits the reset state",
          "symbol": "TBORD",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "VDD > VBOR",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current, serial interface active, 3.4 MHz",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "Serial Interface Active, HVC/A0 = VIH (or VIL) (Note 11); Write all 0's to Volatile Wiper 0; VDD = 5.5V, FSCL = 3.4 MHz",
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        {
          "name": "Supply current, serial interface active, 100 kHz",
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          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Serial Interface Active, HVC/A0 = VIH (or VIL) (Note 11); Write all 0's to Volatile Wiper 0; VDD = 5.5V, FSCL = 100 kHz",
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          "source": "datasheet"
        },
        {
          "name": "Supply current, serial interface inactive",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 5,
          "conditions": "Serial Interface Inactive, (Stop condition, SCL = SDA = VIH), Wiper = 0; VDD = 5.5V, HVC/A0 = VIH",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance RAB (-503 devices)",
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          "kind": "electrical",
          "unit": "k",
          "min": 40,
          "typ": 50,
          "max": 60,
          "conditions": "-503 devices (Note 1)",
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        {
          "name": "Resistance tolerance",
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          "kind": "tolerance",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "(± 20%) -503 devices",
          "source_page": 5,
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        },
        {
          "name": "Nominal resistance match |RAB0-RAB1|/RAB",
          "symbol": "|RAB0-RAB1|/RAB",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1.25,
          "conditions": "MCP46X1 devices only",
          "source_page": 5,
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        {
          "name": "Wiper resistance, VDD = 5.5 V",
          "symbol": "RW",
          "kind": "electrical",
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          "min": null,
          "typ": 75,
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          "conditions": "VDD = 5.5 V, IW = 2.0 mA, code = 00h",
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        {
          "name": "Wiper resistance, VDD = 2.7 V",
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          "conditions": "VDD = 2.7 V, IW = 2.0 mA, code = 00h",
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          "name": "Maximum current through terminal A, W = Full-Scale",
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          "min": null,
          "typ": null,
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          "conditions": "Terminal A IAW, W = Full-Scale (FS)",
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        {
          "name": "Maximum current through terminal B, W = Zero Scale",
          "symbol": "IT",
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          "max": 2.5,
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        {
          "name": "Maximum current through terminal W",
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          "unit": "mA",
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          "typ": null,
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          "conditions": "Terminal W IAW or IBW, W = FS or ZS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum current through terminal A and B, RAB(MIN) = 40000",
          "symbol": "IAB",
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          "min": null,
          "typ": null,
          "max": 0.138,
          "conditions": "IAB, VB = 0V, VA = 5.5V, RAB(MIN) = 40000",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Full-scale error (MCP4XX1), 50 k 8-bit",
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          "kind": "electrical",
          "unit": "LSb",
          "min": -0.8,
          "typ": -0.1,
          "max": null,
          "conditions": "50 k 8-bit 3.0V ≤ VDD ≤ 5.5V",
          "source_page": 7,
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        {
          "name": "Zero-scale error (MCP4XX1), 50 k 8-bit",
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          "typ": 0.1,
          "max": 0.8,
          "conditions": "50 k 8-bit 3.0V ≤ VDD ≤ 5.5V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Potentiometer integral non-linearity (MCP4XX1), 8-bit",
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          "kind": "electrical",
          "unit": "LSb",
          "min": -1,
          "typ": 0.5,
          "max": 1,
          "conditions": "8-bit 3.0V ≤ VDD ≤ 5.5V; MCP4XX1 devices only (Note 2)",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Potentiometer differential non-linearity (MCP4XX1), 8-bit",
          "symbol": "DNL",
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          "min": -0.5,
          "typ": 0.25,
          "max": 0.5,
          "conditions": "8-bit 3.0V ≤ VDD ≤ 5.5V; MCP4XX1 devices only (Note 2)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Rheostat integral non-linearity, 50 k 8-bit 5.5V",
          "symbol": "R-INL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -1.5,
          "typ": 0.5,
          "max": 1.5,
          "conditions": "50 k 8-bit 5.5V, IW = 90 µA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Rheostat integral non-linearity, 50 k 8-bit 3.0V",
          "symbol": "R-INL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -2,
          "typ": 1,
          "max": 2,
          "conditions": "50 k 8-bit 3.0V, IW = 48 µA (Note 7)",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Rheostat differential non-linearity, 50 k 8-bit 5.5V",
          "symbol": "R-DNL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -0.5,
          "typ": 0.25,
          "max": 0.5,
          "conditions": "50 k 8-bit 5.5V, IW = 90 µA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Rheostat differential non-linearity, 50 k 8-bit 3.0V",
          "symbol": "R-DNL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -0.5,
          "typ": 0.25,
          "max": 0.5,
          "conditions": "50 k 8-bit 3.0V, IW = 48 µA (Note 7)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "High voltage limit",
          "symbol": "VMAX",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12.5,
          "conditions": "Pin can tolerate VMAX or less.",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage (SDA)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD ≥ 2.0V, IOL = 3 mA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-up / pull-down current",
          "symbol": "IPU",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.75,
          "conditions": "Internal VDD pull-up, VIHH pull-down; VDD = 5.5V, VIHH = 12.5V",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
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