main
Ray lm2904m: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 43a7c68 28d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2904m",
  "title": "LM2904M",
  "brief": "HGSEMI Operational Amplifier, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm2904m"
  ],
  "component": {
    "mpn": "LM2904M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2ea627679db28e4f1d373d84d254362b.pdf",
    "parts": {
      "symbol": "lm2904m.kicad_sym",
      "footprint": "lm2904m.kicad_mod",
      "model_3d": "lm2904m-etched.glb",
      "model_3d_plain": "lm2904m.glb",
      "model_3d_step": "lm2904m-etched.step",
      "model_3d_step_plain": "lm2904m.step",
      "lbr": "lm2904m.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Op-amp 1 output. Push-pull output with short-circuit protection; typical short-circuit current ±24 mA. Output swing on a 15 V single supply: VOH ~13.6 V (Iout=-50µA), VOL ~0.1 V (Iout=50µA)."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Op-amp 1 inverting input. Common-mode input range VEE to VCC-1.5V; typical input bias current 50 nA and offset current 10 nA at VO=1.4 V."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Op-amp 1 non-inverting input. Common-mode input range VEE to VCC-1.5V; ±36 V max differential input voltage between IN+ and IN-."
      },
      {
        "number": "4",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply / ground. Tie to GND for single-supply operation (3V-36V VCC) or to a negative rail for split-supply operation up to ±18 V."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Op-amp 2 non-inverting input. Same electrical characteristics as 1IN+: common-mode range VEE to VCC-1.5V, ±36 V differential limit."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Op-amp 2 inverting input. Typical input bias current 50 nA, offset current 10 nA at VO=1.4 V."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Op-amp 2 output. Push-pull output with short-circuit protection; typical short-circuit current ±24 mA. Same output swing characteristics as 1OUT."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Single-supply range 3V-36V (VEE=GND) or ±18 V split supply. Typical quiescent current 0.5 mA @ VCC=5V, 0.8 mA @ VCC=36V (no load)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2ea627679db28e4f1d373d84d254362b.pdf",
        "pages": 10,
        "sha256": "25a7f8f07393d110",
        "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": "lm2904m.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": "lm2904m-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": "37bf213ab4367c281f0f90b80cf0feafa3cfe69ffb00c278c659196f38a47448",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2904m"
  ],
  "discovery_pitch": "LM2904M (HGSEMI) 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",
    "lm2904m.kicad_sym",
    "lm2904m.kicad_mod",
    "lm2904m.glb",
    "lm2904m.step",
    "lm2904m.lbr",
    "docs/hero.png",
    "docs/lm2904m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2904m-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2904MM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MN",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MMM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MDQ2/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MDQ3/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:28:49.556Z"
}