CLM331N

{
  "slug": "clm331n",
  "version": "0.1.0",
  "type": "component",
  "description": "CHIPLON Voltage-To-Frequency / Frequency-To-Voltage Converters, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "clm331n",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "clm331n.kicad_mod",
    "clm331n.glb",
    "clm331n.step",
    "clm331n.lbr",
    "docs/hero.png",
    "docs/clm331n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "clm331n-hero.glb",
    "clm331n-hero.overlay.json",
    "clm331n-etched.glb"
  ],
  "component": {
    "mpn": "CLM331N",
    "manufacturer": "CHIPLON",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Voltage-To-Frequency / Frequency-To-Voltage Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0c0437b0db1e469fa3d60885a1fe04df.pdf",
    "parts": {
      "symbol": "clm331n.kicad_sym",
      "footprint": "clm331n.kicad_mod",
      "model_3d": "clm331n-hero.glb",
      "model_3d_plain": "clm331n-etched.glb",
      "model_3d_step": "clm331n-etched.step",
      "model_3d_step_plain": "clm331n.step",
      "lbr": "clm331n.lbr"
    },
    "distributor_links": {
      "lcsc": "C437272"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:57:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IOUT",
        "type": "output",
        "description": "Current output from the switched current source; output current is 136 µA typ (116-156 µA) with RS = 14 kΩ for CLM331."
      },
      {
        "number": "2",
        "name": "IREF",
        "type": "input",
        "description": "Reference current input; the pin is regulated to 1.90 VDC (1.7-2.08 V for CLM331) and sets i = 1.90 V / RS."
      },
      {
        "number": "3",
        "name": "FOUT",
        "type": "output",
        "description": "Frequency output, an open-collector output that requires a pull-up resistor; VSAT is 0.15 V typ at 5 mA and output current is limited to under 50 mA."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "RC",
        "type": "input",
        "description": "R-C filter/timing network input; the timer resets when this pin reaches 2/3 of VS (threshold 0.667 × VS typ)."
      },
      {
        "number": "6",
        "name": "THRESH",
        "type": "input",
        "description": "Threshold input to the input comparator; the comparator triggers the timer when pin 7 is above pin 6."
      },
      {
        "number": "7",
        "name": "COMPIN",
        "type": "input",
        "description": "Comparator circuit input; common-mode range is -0.2 V to VCC - 2 V."
      },
      {
        "number": "8",
        "name": "VS",
        "type": "power_in",
        "description": "Supply voltage, operating range 4 V to 40 V (absolute maximum 40 V)."
      }
    ],
    "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 pin table was extracted from garbled text (columns out of order). Pin numbers and names match th; The datasheet is inconsistent. The thermal table is headed LM567C, and the electrical table has an L; The text describes pin 7 as the input comparator's positive input and pin 6 as the threshold, and it"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0927,
        "at": "2026-10-22T21:57:38"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0c0437b0db1e469fa3d60885a1fe04df.pdf",
        "pages": 18,
        "sha256": "4c88c10b1e1c9b6a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "clm331n-etched.step",
        "role": "eda",
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        "units": "mm",
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        "sha256": "b54304a9545aab9ed701807f8b9e758624aa0b31aa9b272c0efa488956690bae",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}