LM2904GD

{
  "slug": "lm2904gd",
  "version": "0.1.0",
  "type": "component",
  "description": "HTC Korea TAEJIN Tech Operational Amplifier, SOIC-8-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm2904gd",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2904gd.kicad_sym",
    "lm2904gd.kicad_mod",
    "lm2904gd.glb",
    "lm2904gd.step",
    "lm2904gd.lbr",
    "docs/hero.png",
    "docs/lm2904gd-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2904gd-hero.glb",
    "lm2904gd-hero.overlay.json",
    "lm2904gd-etched.glb"
  ],
  "component": {
    "mpn": "LM2904GD",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "SOIC-8-150mil",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590912242651250688",
    "parts": {
      "symbol": "lm2904gd.kicad_sym",
      "footprint": "lm2904gd.kicad_mod",
      "model_3d": "lm2904gd-hero.glb",
      "model_3d_plain": "lm2904gd-etched.glb",
      "model_3d_step": "lm2904gd-etched.step",
      "model_3d_step_plain": "lm2904gd.step",
      "lbr": "lm2904gd.lbr"
    },
    "distributor_links": {
      "lcsc": "C126048"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:57:32Z",
      "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 amplifier 1; the datasheet gives output source current of -30 mA to -50 mA (VCC=15 V, VID=1 V, VO=0 V, 25℃) and sink current of 15 mA to 35 mA (VCC=15 V, VID=-1 V, VO=15 V, 25℃)."
      },
      {
        "number": "2",
        "name": "IN1(-)",
        "type": "input",
        "description": "Inverting input of amplifier 1; input voltage absolute maximum is -0.3 V to 45 V and input current is limited to 50 mA at VIN = -0.3 V."
      },
      {
        "number": "3",
        "name": "IN1(+)",
        "type": "input",
        "description": "Non-inverting input of amplifier 1; common-mode input range is 0 to VCC-1.5 V at 25℃ (0 to VCC-2 V over full temperature range)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference for the device; the datasheet specifies split-supply operation with VCC- from -1.5 V to -20 V."
      },
      {
        "number": "5",
        "name": "IN2(+)",
        "type": "input",
        "description": "Non-inverting input of amplifier 2; common-mode input range is 0 to VCC-1.5 V at 25℃ (0 to VCC-2 V over full temperature range)."
      },
      {
        "number": "6",
        "name": "IN2(-)",
        "type": "input",
        "description": "Inverting input of amplifier 2; input voltage absolute maximum is -0.3 V to 45 V and input current is limited to 50 mA at VIN = -0.3 V."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier 2; the datasheet gives output source current of -30 mA to -50 mA (VCC=15 V, VID=1 V, VO=0 V, 25℃) and sink current of 15 mA to 35 mA (VCC=15 V, VID=-1 V, VO=15 V, 25℃)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; single-supply range is 3 V to 40 V (absolute maximum 45 V), or VCC+ from +1.5 V to +20 V in split-supply operation."
      }
    ],
    "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 pin numbering and names on page 2 were recovered from a garbled text extraction of the SOP-8/DIP; The datasheet calls the package SOP-8, not SOIC-8-150mil. No package dimensions were given in the te; The datasheet has no per-pin functional limits for the outputs or the ground pin beyond the device-l",
          "1/8 pin names appear NOWHERE in the datasheet text: ['7:OUT2@p3']"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0285,
        "at": "2026-10-18T02:55:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590912242651250688",
        "pages": 6,
        "sha256": "190ce8a4606f6efe",
        "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": "lm2904gd.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2904gd-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8854978ee4865e79678bc3fbb6cb04209caf4c9a956f4bf91942b97678b67deb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}