MCP3422A0-E

{
  "slug": "mcp3422a0-e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Analog To Digital Converters (ADCs), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp3422a0-e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
    "page.json",
    "README.md",
    "mcp3422a0-e.kicad_sym",
    "mcp3422a0-e.kicad_mod",
    "mcp3422a0-e.glb",
    "mcp3422a0-e.step",
    "mcp3422a0-e.lbr",
    "docs/hero.png",
    "docs/mcp3422a0-e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp3422a0-e-hero.glb",
    "mcp3422a0-e-hero.overlay.json",
    "mcp3422a0-e-etched.glb"
  ],
  "component": {
    "mpn": "MCP3422A0-E",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/22088c.pdf",
    "parts": {
      "symbol": "mcp3422a0-e.kicad_sym",
      "footprint": "mcp3422a0-e.kicad_mod",
      "model_3d": "mcp3422a0-e-hero.glb",
      "model_3d_plain": "mcp3422a0-e-etched.glb",
      "model_3d_step": "mcp3422a0-e-etched.step",
      "model_3d_step_plain": "mcp3422a0-e.step",
      "lbr": "mcp3422a0-e.lbr"
    },
    "distributor_links": {
      "lcsc": "C635988"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:40:36Z",
      "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 of channel 1; input voltage range is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "2",
        "name": "CH1-",
        "type": "input",
        "description": "Negative differential analog input of channel 1; may be tied to VSS for single-ended operation, range VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage pin, 2.7V to 5.5V for specified operation, bypassed with about 0.1 µF ceramic plus a recommended 10 µF tantalum capacitor to ground."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Bidirectional open-drain serial data pin of the I2C interface that needs a pull-up resistor to VDD (5 kΩ to 10 kΩ for standard/fast mode, less than 1 kΩ for high-speed mode)."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input (slave only, open-drain N-channel) that needs a pull-up resistor to VDD (5 kΩ to 10 kΩ for standard/fast mode, less than 1 kΩ for high-speed mode)."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin and current return path, to be connected to a ground plane through a low impedance connection."
      },
      {
        "number": "7",
        "name": "CH2+",
        "type": "input",
        "description": "Positive differential analog input of channel 2; input voltage range is VSS-0.3V to VDD+0.3V."
      },
      {
        "number": "8",
        "name": "CH2-",
        "type": "input",
        "description": "Negative differential analog input of channel 2; may be tied to VSS for single-ended operation, range 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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The VSS and VDD rows of the pin table are garbled in the extracted text ('6633 5 VSS', '3366 6 VDD'); The MCP3422A0-E is the 8-lead SOIC (marking 3422A0E SN). Its pin-table column is shared with MSOP. T"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0911,
        "at": "2026-10-26T18:40:17"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/22088c.pdf",
        "pages": 58,
        "sha256": "3850891a8c0460ab",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "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": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp3422a0-e-etched.step",
        "role": "eda",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7c35b0bfe75dcc9066ef17d01566a88098e0de67744d77e41590ed0ad6e7be1d",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}