main
Ray lm2904amm: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 09279e5 28d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2904amm",
  "title": "LM2904AMM",
  "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",
    "lm2904amm"
  ],
  "component": {
    "mpn": "LM2904AMM",
    "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/2402021505_HGSEMI-LM2904AMM-TR_C20613250.pdf",
    "parts": {
      "symbol": "lm2904amm.kicad_sym",
      "footprint": "lm2904amm.kicad_mod",
      "model_3d": "lm2904amm-etched.glb",
      "model_3d_plain": "lm2904amm.glb",
      "model_3d_step": "lm2904amm-etched.step",
      "model_3d_step_plain": "lm2904amm.step",
      "lbr": "lm2904amm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output of op-amp channel 1. Can source ~40 mA and sink ~20 mA at V+=15V; output voltage swing reaches near VEE and up to (V+ - 1.5V)."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input of op-amp channel 1. Input bias current typ. 45 nA. Common-mode range 0 V to (V+ - 1.5V)."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting input of op-amp channel 1. Input bias current typ. 45 nA. Common-mode range extends to the negative supply (ground in single-supply operation)."
      },
      {
        "number": "4",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply / ground pin. Tie to GND for single-supply operation, or to V- for split-supply operation. Absolute max supply span 32V (or ±16V)."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting input of op-amp channel 2. Input bias current typ. 45 nA. Common-mode range extends to the negative supply."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting input of op-amp channel 2. Input bias current typ. 45 nA. Common-mode range 0 V to (V+ - 1.5V)."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output of op-amp channel 2. Can source ~40 mA and sink ~20 mA at V+=15V; short-circuit current ~40-60 mA at V+=15V, Ta=25°C."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin. Accepts 3V to 32V (single supply) or ±1.5V to ±16V (split supply). Supply current typ. 1 mA at V+=30V; 0.5 mA at V+=5V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402021505_HGSEMI-LM2904AMM-TR_C20613250.pdf",
        "pages": 10,
        "sha256": "63c3bb047114641d",
        "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": "lm2904amm.step",
        "role": "plain",
        "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": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2904amm-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": "ebad64ae9f6309f81e497296779e7caf5873b2c845ad7745998372d957fca32c",
        "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": [
    "lm2904amm"
  ],
  "discovery_pitch": "LM2904AMM (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",
    "lm2904amm.kicad_sym",
    "lm2904amm.kicad_mod",
    "lm2904amm.glb",
    "lm2904amm.step",
    "lm2904amm-etched.step",
    "lm2904amm.lbr",
    "docs/hero.png",
    "docs/lm2904amm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2904AMM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904AMMN",
      "kind": "packaging"
    },
    {
      "mpn": "LM2904AMMM/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:26:24.047Z"
}