LM2904DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2904dr",
  "title": "LM2904DR",
  "brief": "UMW Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm2904dr"
  ],
  "component": {
    "mpn": "LM2904DR",
    "manufacturer": "UMW",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2239f3f444261255a5c6cc7edebbd417.pdf",
    "parts": {
      "symbol": "lm2904dr.kicad_sym",
      "footprint": "lm2904dr.kicad_mod",
      "model_3d": "lm2904dr-etched.glb",
      "model_3d_plain": "lm2904dr.glb",
      "model_3d_step": "lm2904dr-etched.step",
      "model_3d_step_plain": "lm2904dr.step",
      "lbr": "lm2904dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C668211"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT_A",
        "type": "output",
        "description": "Output of amplifier A. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically ±40 mA at VS=10 V)."
      },
      {
        "number": "2",
        "name": "IN-_A",
        "type": "input",
        "description": "Inverting input of amplifier A. Input bias current typ -20 nA, input offset current typ 2 nA."
      },
      {
        "number": "3",
        "name": "IN+_A",
        "type": "input",
        "description": "Non-inverting input of amplifier A. Common-mode input range: (V-) to (V+)-1.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Negative supply / ground (V-). Connect to 0 V for single-supply operation, or to negative rail (down to -13 V) for dual-supply operation."
      },
      {
        "number": "5",
        "name": "IN+_B",
        "type": "input",
        "description": "Non-inverting input of amplifier B. Common-mode input range: (V-) to (V+)-1.5 V."
      },
      {
        "number": "6",
        "name": "IN-_B",
        "type": "input",
        "description": "Inverting input of amplifier B. Input bias current typ -20 nA, input offset current typ 2 nA."
      },
      {
        "number": "7",
        "name": "OUT_B",
        "type": "output",
        "description": "Output of amplifier B. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically ±40 mA at VS=10 V)."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply. Single-supply operation 3 V to 26 V, or dual-supply up to ±13 V. Quiescent current typ 350 uA per amplifier at VO=2.5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2239f3f444261255a5c6cc7edebbd417.pdf",
        "pages": 9,
        "sha256": "5aeaa330435e1281",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm2904dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2904dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6aff09564c921c4f836acf537498d5559a8e64a48d0e318d4bfd6c9d97ee4e3a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2904dr"
  ],
  "discovery_pitch": "LM2904DR (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2904dr.kicad_sym",
    "lm2904dr.kicad_mod",
    "lm2904dr.glb",
    "lm2904dr.step",
    "lm2904dr-etched.step",
    "lm2904dr.lbr",
    "docs/hero.png",
    "docs/lm2904dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2904DR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904DRPWR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:28:19.004Z"
}