main
Ray lm2904mm: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 9a8a5c4
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2904mm",
  "title": "LM2904MM",
  "brief": "HGSEMI Operational Amplifier, MSOP-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",
    "lm2904mm"
  ],
  "component": {
    "mpn": "LM2904MM",
    "manufacturer": "HGSEMI",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208221800_HGSEMI-LM2904MM-TR_C5116312.pdf",
    "parts": {
      "symbol": "lm2904mm.kicad_sym",
      "footprint": "lm2904mm.kicad_mod",
      "model_3d": "lm2904mm-etched.glb",
      "model_3d_plain": "lm2904mm.glb",
      "model_3d_step": "lm2904mm-etched.step",
      "model_3d_step_plain": "lm2904mm.step",
      "lbr": "lm2904mm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Op-amp 1 output. Class-AB output stage with internal short-circuit protection; typical short-circuit current ±24 mA. VOH ≈ VCC-1.5 V, VOL near VEE."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Op-amp 1 inverting input. Typical input bias current 50 nA, input offset current 10 nA. Differential input voltage rating ±36 V."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Op-amp 1 non-inverting input. Common-mode input voltage range extends from VEE to VCC-1.5 V (single-supply rail-to-rail on the negative rail)."
      },
      {
        "number": "4",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply (or GND for single-supply operation). Range: 0 V (single-supply) or down to -18 V (dual-supply)."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Op-amp 2 non-inverting input. Common-mode input voltage range extends from VEE to VCC-1.5 V."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Op-amp 2 inverting input. Typical input bias current 50 nA, input offset current 10 nA. Differential input voltage rating ±36 V."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Op-amp 2 output. Class-AB output stage with internal short-circuit protection; typical short-circuit current ±24 mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Single-supply range 3 V to 36 V; dual-supply up to +18 V. Typical quiescent current 0.5 mA at VCC=5 V, 0.8 mA at VCC=36 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208221800_HGSEMI-LM2904MM-TR_C5116312.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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.1125,
        -0.975
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm2904mm.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2904mm-etched.step",
        "role": "eda",
        "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": "ffacc91b6c0285b2994542edac1a424466e9afc0b868f235700af87a5b721196",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "MSOP-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2904mm"
  ],
  "discovery_pitch": "LM2904MM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2904mm.kicad_sym",
    "lm2904mm.kicad_mod",
    "lm2904mm.glb",
    "lm2904mm.step",
    "lm2904mm-etched.step",
    "lm2904mm.lbr",
    "docs/hero.png",
    "docs/lm2904mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2904MM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MMN",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MMM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MMDQ2/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904MMDQ3/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:28:57.300Z"
}