LM331MX-HXY

{
  "slug": "lm331mx-hxy",
  "version": "0.1.0",
  "type": "component",
  "description": "HXY MOSFET Analog To Digital Converters (ADC), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "lm331mx-hxy",
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    "lm331mx-hxy.step",
    "lm331mx-hxy.lbr",
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    "docs/lm331mx-hxy-datasheet.pdf",
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  "component": {
    "mpn": "LM331MX-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908646995931136",
    "parts": {
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      "lbr": "lm331mx-hxy.lbr"
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    "distributor_links": {
      "lcsc": "C20616348"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:34:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "CURO",
        "type": "output",
        "description": "Current output of the V/F current source, with output current of 116-156 µA at Rg=14 kΩ and a voltage-variation figure of 0.2-1.0 µA over 0-10 V, per the electrical characteristics table."
      },
      {
        "number": "2",
        "name": "REFCUR",
        "type": "passive",
        "description": "Reference current pin, where the external Rs resistor sets the reference current, with the datasheet giving a reference voltage of 1.70-2.08 V (typ. 1.89 V) on this node."
      },
      {
        "number": "3",
        "name": "FOUT",
        "type": "output",
        "description": "Frequency output that delivers pulse trains proportional to the input voltage, compatible with all logic forms, with a logic output saturation voltage of 0.15 V typ. / 0.50 V max."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "R/C",
        "type": "passive",
        "description": "Timing RC comparator input, with the timer threshold voltage specified at 0.63-0.701 V (typ. 0.667 V)."
      },
      {
        "number": "6",
        "name": "THD",
        "type": "input",
        "description": "Inverting input of the comparator."
      },
      {
        "number": "7",
        "name": "COM",
        "type": "input",
        "description": "Non-inverting input of the comparator, with a common-mode range of 0.2 V to Vcc-2.0 V."
      },
      {
        "number": "8",
        "name": "VS",
        "type": "power_in",
        "description": "Power supply input, with the absolute maximum Vcc rated at 40 V and operation specified down to 4 V."
      }
    ],
    "provenance": {
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        "primary_mode": "text",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0234,
        "at": "2026-10-19T07:34:20"
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        "pages": 7,
        "sha256": "c1383577f9963047",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "zmin_mm": -0.0,
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}