main
Ray Publish 0.1.0 d82ff5c 9d ago
{
  "slug": "mcp3428t-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Analog To Digital Converters (ADCs), SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp3428t-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "mcp3428t-e.kicad_sym",
    "mcp3428t-e.kicad_mod",
    "mcp3428t-e.glb",
    "mcp3428t-e.step",
    "mcp3428t-e.lbr",
    "docs/hero.png",
    "docs/mcp3428t-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp3428t-e-hero.glb",
    "mcp3428t-e-hero.overlay.json",
    "mcp3428t-e-etched.glb"
  ],
  "component": {
    "mpn": "MCP3428T-E",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/63c509a7e92f141f726d563b3780fa41.pdf",
    "parts": {
      "symbol": "mcp3428t-e.kicad_sym",
      "footprint": "mcp3428t-e.kicad_mod",
      "model_3d": "mcp3428t-e-hero.glb",
      "model_3d_plain": "mcp3428t-e-etched.glb",
      "model_3d_step": "mcp3428t-e-etched.step",
      "model_3d_step_plain": "mcp3428t-e.step",
      "lbr": "mcp3428t-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C626770"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:02:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH1+",
        "type": "input",
        "description": "Positive differential analog input pin of channel 1; the voltage range on each input pin is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "2",
        "name": "CH1-",
        "type": "input",
        "description": "Negative differential analog input pin of channel 1; it can be tied to VSS for single-ended operation, and its voltage range is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "3",
        "name": "CH2+",
        "type": "input",
        "description": "Positive differential analog input pin of channel 2; the voltage range on each input pin is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "4",
        "name": "CH2-",
        "type": "input",
        "description": "Negative differential analog input pin of channel 2; it can be tied to VSS for single-ended operation, and its voltage range is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin and current return path of the device, to be connected through a low impedance path to the ground plane."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage pin that must be maintained in the 2.7V to 5.5V range for specified operation, with a 0.1 µF ceramic bypass capacitor recommended."
      },
      {
        "number": "7",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Bidirectional serial data pin of the I2C interface, an open-drain N-channel driver that needs a pull-up resistor of 5 kΩ to 10 kΩ for standard and fast modes."
      },
      {
        "number": "8",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock pin of the I2C interface that accepts only external clocks, an open-drain N-channel driver that needs a pull-up resistor from VDD."
      },
      {
        "number": "9",
        "name": "Adr0",
        "type": "input",
        "description": "I2C address selection pin that sets the device address (see Section 5.3.2)."
      },
      {
        "number": "10",
        "name": "Adr1",
        "type": "input",
        "description": "I2C address selection pin that sets the device address (see Section 5.3.2)."
      },
      {
        "number": "11",
        "name": "CH3+",
        "type": "input",
        "description": "Positive differential analog input pin of channel 3; the voltage range on each input pin is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "12",
        "name": "CH3-",
        "type": "input",
        "description": "Negative differential analog input pin of channel 3; it can be tied to VSS for single-ended operation, and its voltage range is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "13",
        "name": "CH4+",
        "type": "input",
        "description": "Positive differential analog input pin of channel 4; the voltage range on each input pin is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "14",
        "name": "CH4-",
        "type": "input",
        "description": "Negative differential analog input pin of channel 4; it can be tied to VSS for single-ended operation, and its voltage range is VSS-0.3V to VDD+0.3V."
      }
    ],
    "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 page 11 pin table is text-extracted with merged columns. The VSS and VDD rows (\"6633 5\" and \"336"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0176,
        "at": "2026-10-28T16:01:44"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/63c509a7e92f141f726d563b3780fa41.pdf",
        "pages": 56,
        "sha256": "3d9cc322b8fd7415",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "mcp3428t-e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "mcp3428t-e-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "3df0e80e83a27a1b0f17da595255c96a00fb84634f8a42baba0cc8f9238f86bd",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}