MCP3302-BI

{
  "slug": "mcp3302-bi",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Analog To Digital Converters (ADCs), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp3302-bi",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp3302-bi.kicad_sym",
    "mcp3302-bi.kicad_mod",
    "mcp3302-bi.glb",
    "mcp3302-bi.step",
    "mcp3302-bi.lbr",
    "docs/hero.png",
    "docs/mcp3302-bi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp3302-bi-hero.glb",
    "mcp3302-bi-hero.overlay.json",
    "mcp3302-bi-etched.glb"
  ],
  "component": {
    "mpn": "MCP3302-BI",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3a357e0ebf5f77840232af9fe4cf1651.pdf",
    "parts": {
      "symbol": "mcp3302-bi.kicad_sym",
      "footprint": "mcp3302-bi.kicad_mod",
      "model_3d": "mcp3302-bi-hero.glb",
      "model_3d_plain": "mcp3302-bi-etched.glb",
      "model_3d_step": "mcp3302-bi-etched.step",
      "model_3d_step_plain": "mcp3302-bi.step",
      "lbr": "mcp3302-bi.lbr"
    },
    "distributor_links": {
      "lcsc": "C637058"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:37:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH0",
        "type": "input",
        "description": "Analog input channel 0 with absolute voltage range of VSS - 0.3V to VDD + 0.3V."
      },
      {
        "number": "2",
        "name": "CH1",
        "type": "input",
        "description": "Analog input channel 1 with absolute voltage range of VSS - 0.3V to VDD + 0.3V."
      },
      {
        "number": "3",
        "name": "CH2",
        "type": "input",
        "description": "Analog input channel 2 with absolute voltage range of VSS - 0.3V to VDD + 0.3V."
      },
      {
        "number": "4",
        "name": "CH3",
        "type": "input",
        "description": "Analog input channel 3 with absolute voltage range of VSS - 0.3V to VDD + 0.3V; differential input magnitude cannot exceed VREF - 1 LSB."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground to internal digital circuitry; must be connected to the same ground as AGND."
      },
      {
        "number": "8",
        "name": "CS/SHDN",
        "type": "input",
        "description": "Chip select/shutdown input: pulled low initiates communication, pulled high ends a conversion and enters low-power standby, and must be pulled high between conversions."
      },
      {
        "number": "9",
        "name": "DIN",
        "type": "input",
        "description": "SPI serial data input used to clock in input channel configuration data, latched on the rising edge of the clock."
      },
      {
        "number": "10",
        "name": "DOUT",
        "type": "output",
        "description": "SPI serial data output that shifts out the A/D conversion result, changing on the falling edge of each clock."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "SPI serial clock that initiates a conversion and clocks out each bit of the conversion result."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground to internal analog circuitry; must be connected to the same ground as DGND."
      },
      {
        "number": "13",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage input that sets the maximum analog input range and LSB size (LSB = 2 x VREF / 8192)."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "+4.5V to 5.5V power supply for specified conversion performance, with a 0.1 µF ceramic bypass capacitor placed close to the pin."
      }
    ],
    "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: Datasheet text says the device can operate from 2.7V to 5.5V in section 3.9 but specifies 4.5V to 5.; MPN suffix -BI is interpreted as B-grade, industrial temperature; the TSSOP-14 pinout is the MCP3302"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0725,
        "at": "2026-10-31T12:37:03"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3a357e0ebf5f77840232af9fe4cf1651.pdf",
        "pages": 48,
        "sha256": "bd5671e61167c4eb",
        "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": [
      {
        "file": "mcp3302-bi.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp3302-bi-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
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        "sha256": "f1edc9d5b1378f901d9e7dcc2137db4094648cf8672367a1d86aed00731e13a6",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}