MCP3221A7T-E

{
  "slug": "mcp3221a7t-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Analog To Digital Converters (ADCs), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp3221a7t-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp3221a7t-e.kicad_sym",
    "mcp3221a7t-e.kicad_mod",
    "mcp3221a7t-e.glb",
    "mcp3221a7t-e.step",
    "mcp3221a7t-e.lbr",
    "docs/hero.png",
    "docs/mcp3221a7t-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp3221a7t-e-hero.glb",
    "mcp3221a7t-e-hero.overlay.json",
    "mcp3221a7t-e-etched.glb"
  ],
  "component": {
    "mpn": "MCP3221A7T-E",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5752f46aa439172342d2cf0d35e658e4.pdf",
    "parts": {
      "symbol": "mcp3221a7t-e.kicad_sym",
      "footprint": "mcp3221a7t-e.kicad_mod",
      "model_3d": "mcp3221a7t-e-hero.glb",
      "model_3d_plain": "mcp3221a7t-e-etched.glb",
      "model_3d_step": "mcp3221a7t-e-etched.step",
      "model_3d_step_plain": "mcp3221a7t-e.step",
      "lbr": "mcp3221a7t-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C625477"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:33:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supplies power to the device from +2.7V to 5.5V and provides the voltage reference for the conversion process."
      },
      {
        "number": "2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device, with VDD measured relative to this pin."
      },
      {
        "number": "3",
        "name": "AIN",
        "type": "input",
        "description": "Single-ended analog input to the sample and hold circuitry, where the voltage for proper conversions can vary from VSS to VDD."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain serial data pin that transfers addresses and data and requires a pull-up resistor to VDD (typically 10 kΩ for 100 kHz and 2 kΩ for 400 kHz SCL)."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "Open-drain serial clock input that synchronizes data transfer on SDA and requires a pull-up resistor to VDD (typically 10 kΩ for 100 kHz and 2 kΩ for 400 kHz)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 package diagram text on page 1 is scrambled, and Table 3-1 lists pin names without numbers. The "
        ],
        "pages_sent": 11,
        "cost_usd": 0.0744,
        "at": "2026-10-28T16:33:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5752f46aa439172342d2cf0d35e658e4.pdf",
        "pages": 30,
        "sha256": "6e11b59a236328b7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp3221a7t-e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp3221a7t-e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14bb043b492ca062392847c27e05796e700ad4a7b83b912d1c01652833369698",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}