MCP4151-503E

{
  "schema_version": 1,
  "type": "component",
  "slug": "mcp4151-503e",
  "title": "MCP4151-503E",
  "brief": "Microchip Tech Digital Potentiometers, PDIP-8. 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",
    "mcp4151-503e",
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  "component": {
    "mpn": "MCP4151-503E",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/331aa476e0e748ac693220606c3bfb64.pdf",
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      "lbr": "mcp4151-503e.lbr"
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    "distributor_links": {
      "lcsc": "C640372"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip select input; forcing CS to VIL enables the serial commands and forcing it to VIHH enables the high-voltage serial commands."
      },
      {
        "number": "2",
        "name": "SCK",
        "type": "input",
        "description": "SPI clock input, supporting up to 10 MHz in SPI modes 0,0 and 1,1."
      },
      {
        "number": "3",
        "name": "SDI/SDO",
        "type": "bidirectional",
        "description": "On the MCP41X1 the SDI and SDO functions are multiplexed on this pin, which becomes an SDO output to drive read data after the first 6 command bits are received."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference for the device."
      },
      {
        "number": "5",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer terminal A, connected to the full-scale wiper value (0x100 for 8-bit devices), with voltage required to stay between VSS and VDD."
      },
      {
        "number": "6",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer wiper terminal, the adjustable terminal of the digital potentiometer, with voltage required to stay between VSS and VDD."
      },
      {
        "number": "7",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer terminal B, connected to the zero-scale wiper value (0x00), with voltage required to stay between VSS and VDD."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input relative to VSS; electrical performance may not meet specifications while VDD is below 2.7V."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The 8-pin pinout is taken from Table 3-1 (page 31) for the MCP41X1 single potentiometer, which the d"
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        "cost_usd": 0.0193,
        "at": "2026-11-02T17:38:41"
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        "sha256": "6c60b083b2ef0a92",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "PDIP-8",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "P = Plastic Dual In-line (PDIP) (300 mil), 8/14-lead SN = Plastic Small Outline (SOIC), (150 mil), 8-lead",
        "page": 85,
        "doc": "ds.pdf",
        "plating": "tin"
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      "rows": [
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          "symbol": "RAB",
          "kind": "tolerance",
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          "conditions": "Resistance (±20%), -503 devices",
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        {
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        {
          "name": "Maximum current through A, W or B",
          "symbol": "IW",
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        {
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          "typ": 75,
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          "conditions": "VDD = 5.5 V, IW = 2.0 mA, code = 00h",
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          "conditions": "VDD = 2.7 V, IW = 2.0 mA, code = 00h",
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        },
        {
          "name": "Full-scale error (8-bit, 50 kΩ)",
          "symbol": "VWFSE",
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          "unit": "LSb",
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          "conditions": "50 kΩ 8-bit 3.0V ≤ VDD ≤ 5.5V",
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          "typ": 0.5,
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          "conditions": "8-bit 3.0V ≤ VDD ≤ 5.5V, MCP4XX1 devices only",
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        {
          "name": "Potentiometer differential non-linearity (8-bit)",
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          "typ": 0.25,
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          "kind": "electrical",
          "unit": "LSb",
          "min": -1.5,
          "typ": 0.5,
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          "conditions": "50 kΩ 8-bit 5.5V, IW = 90 µA",
          "source_page": 7,
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        {
          "name": "Rheostat integral non-linearity (50 kΩ, 8-bit)",
          "symbol": "R-INL",
          "kind": "electrical",
          "unit": "LSb",
          "min": -2,
          "typ": 1,
          "max": 2,
          "conditions": "50 kΩ 8-bit 3.0V, IW = 48 µA (Note 7)",
          "source_page": 7,
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        {
          "name": "Rheostat differential non-linearity (50 kΩ, 8-bit)",
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          "min": -0.5,
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          "conditions": "50 kΩ 8-bit 5.5V, IW = 90 µA",
          "source_page": 8,
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        },
        {
          "name": "Schmitt trigger high input threshold",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "×VDD",
          "min": 0.45,
          "typ": null,
          "max": null,
          "conditions": "2.7V ≤ VDD ≤ 5.5V",
          "source_page": 9,
          "source": "datasheet"
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        {
          "name": "Schmitt trigger high input threshold",
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          "min": 0.5,
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          "conditions": "1.8V ≤ VDD ≤ 2.7V",
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        {
          "name": "Schmitt trigger low input threshold",
          "symbol": "VIL",
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        {
          "name": "Schmitt trigger hysteresis",
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          "min": 0.1,
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        {
          "name": "High voltage limit",
          "symbol": "VMAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
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          "max": 12.5,
          "conditions": "Pin can tolerate VMAX or less",
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        {
          "name": "Output low voltage (SDO)",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IOL = 5 mA, VDD = 5.5V",
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        {
          "name": "Output high voltage (SDO)",
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          "min": 0.7,
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          "conditions": "IOH = -2.5 mA, VDD = 5.5V",
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        {
          "name": "Weak pull-up / pull-down current",
          "symbol": "IPU",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 1.75,
          "conditions": "Internal VDD pull-up, VIHH pull-down, VDD = 5.5V, VCS = 12.5V",
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        {
          "name": "Input leakage current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = VDD and VIN = VSS",
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        {
          "name": "CS pull-up/pull-down resistance",
          "symbol": "RCS",
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          "typ": 16,
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          "conditions": "VDD = 5.5V, VCS = 3V",
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        {
          "name": "Pin capacitance",
          "symbol": "CIN, COUT",
          "kind": "electrical",
          "unit": "pF",
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          "typ": 10,
          "max": null,
          "conditions": "fC = 20 MHz",
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        {
          "name": "SCK input frequency",
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        {
          "name": "CS active to SCK↑ input",
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        {
          "name": "SCK input high time",
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          "min": 45,
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        {
          "name": "SCK input low time",
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          "kind": "timing",
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          "conditions": "VDD = 2.7V to 5.5V",
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        {
          "name": "Setup time of SDI input to SCK↑ edge",
          "symbol": "TDIV2scH",
          "kind": "timing",
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          "min": 10,
          "typ": null,
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        {
          "name": "Hold time of SDI input from SCK↑ edge",
          "symbol": "TscH2DIL",
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          "min": 20,
          "typ": null,
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        {
          "name": "CS inactive to SDO output hi-impedance",
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          "kind": "timing",
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          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Note 1",
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        {
          "name": "SDO data output valid after SCK↓ edge",
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          "source": "datasheet"
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        {
          "name": "CS inactive after SCK↑ edge",
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          "kind": "timing",
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          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VDD = 2.7V to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Hold time of CS inactive to CS active",
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        {
          "name": "Specified temperature range",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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        {
          "name": "Thermal resistance, 8L-PDIP",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 89.3,
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        {
          "name": "Voltage on VDD with respect to VSS",
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        {
          "name": "Voltage on CS, SCK, SDI, SDI/SDO and SHDN with respect to VSS",
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          "min": -0.6,
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