LM2903MS08ARDQ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2903ms08ardq",
  "title": "LM2903MS08ARDQ",
  "brief": "GR Comparators, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm2903ms08ardq",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM2903MS08ARDQ",
    "manufacturer": "GR",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ec61b3d4f187f92f542ba7491eb8858f.pdf",
    "parts": {
      "symbol": "lm2903ms08ardq.kicad_sym",
      "footprint": "lm2903ms08ardq.kicad_mod",
      "model_3d": "lm2903ms08ardq-hero.glb",
      "model_3d_plain": "lm2903ms08ardq.glb",
      "model_3d_step": "lm2903ms08ardq-etched.step",
      "model_3d_step_plain": "lm2903ms08ardq.step",
      "lbr": "lm2903ms08ardq.lbr"
    },
    "distributor_links": {
      "lcsc": "C46527063"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:05:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of comparator 1, which is an open-drain output so the logic-high level is set by an external pull-up and comparators can be wired-AND."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Negative input of comparator 1; the differential input voltage range is stated as ±VCC."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Positive input of comparator 1; the differential input voltage range is stated as ±VCC."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet states that all voltage values except differential voltages are referenced to network ground."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Positive input of comparator 2; the differential input voltage range is stated as ±VCC."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Negative input of comparator 2; the differential input voltage range is stated as ±VCC."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of comparator 2, which is an open-drain output so the logic-high level is set by an external pull-up and comparators can be wired-AND."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin; the datasheet states a single supply range of 2 V to 32 V (dual supply ±16 V)."
      }
    ],
    "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 only pin table (Figure 2.1 Top View and the PIN No. table) is device-level and is not labelled f; Page 7 ('8.3 MSOP8') contains only a section heading. The MSOP8 package drawing and any pin-1 markin; The OUT1 and OUT2 type is set to 'output' because the KiCad class list has no open-collector type. T"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0318,
        "at": "2026-10-09T18:02:33"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ec61b3d4f187f92f542ba7491eb8858f.pdf",
        "pages": 7,
        "sha256": "cdf7d7ff43cbaca3",
        "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"
    },
    "models_3d": [
      {
        "file": "lm2903ms08ardq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2903ms08ardq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f0dd0bd791f8a56e0cc493f1a1165e51856a70db6754a89224d551fdeec644de",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GR",
      "Package": "MSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2903ms08ardq"
  ],
  "discovery_pitch": "LM2903MS08ARDQ (GR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2903ms08ardq.kicad_sym",
    "lm2903ms08ardq.kicad_mod",
    "lm2903ms08ardq.glb",
    "lm2903ms08ardq.step",
    "lm2903ms08ardq.lbr",
    "docs/hero.png",
    "docs/lm2903ms08ardq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2903ms08ardq-hero.glb",
    "lm2903ms08ardq-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}