main
Ray lf247dt: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 2d34353 11h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lf247dt",
  "title": "LF247DT",
  "brief": "STMicroelectronics FET InputAmplifiers, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lf247dt"
  ],
  "component": {
    "mpn": "LF247DT",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "FET InputAmplifiers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2cad179926fc49e89b5941cdcf060402.pdf",
    "parts": {
      "symbol": "lf247dt.kicad_sym",
      "footprint": "lf247dt.kicad_mod",
      "model_3d": "lf247dt-etched.glb",
      "model_3d_plain": "lf247dt.glb",
      "model_3d_step": "lf247dt-etched.step",
      "model_3d_step_plain": "lf247dt.step",
      "lbr": "lf247dt.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of amplifier 1. Short-circuit protected to either supply. Typical output swing ±12 V into 2 kΩ at ±15 V supplies."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of amplifier 1. High-impedance JFET gate (Ri ≈ 10^12 Ω). Input bias current ~20 pA typ at 25°C."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of amplifier 1. High-impedance JFET gate. Common-mode range +15 V / -12 V (typ) at ±15 V supplies."
      },
      {
        "number": "4",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail. Operating range up to ±18 V absolute maximum. Typical operation ±15 V; supply current ~1.4 mA per amplifier."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of amplifier 2. High-impedance JFET gate."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of amplifier 2. High-impedance JFET gate."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier 2. Short-circuit protected. Slew rate 16 V/µs typ, gain-bandwidth 4 MHz typ."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Output of amplifier 3. Short-circuit protected."
      },
      {
        "number": "9",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting input of amplifier 3. High-impedance JFET gate."
      },
      {
        "number": "10",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of amplifier 3. High-impedance JFET gate."
      },
      {
        "number": "11",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply rail. Absolute maximum ±18 V (bipolar) or 36 V total across VCC+/VCC-. Typical operation at ±15 V."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of amplifier 4. High-impedance JFET gate."
      },
      {
        "number": "13",
        "name": "IN4-",
        "type": "input",
        "description": "Inverting input of amplifier 4. High-impedance JFET gate."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of amplifier 4. Short-circuit protected."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2cad179926fc49e89b5941cdcf060402.pdf",
        "pages": 10,
        "sha256": "2e2081e9c6a90f86",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lf247dt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lf247dt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "53409d406017364659e667d7593bada3fbe8a837288f4b1f2eb3c500b107c01d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOIC-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    }
  },
  "variants": [
    {
      "mpn": "LF247DTD",
      "kind": "packaging"
    },
    {
      "mpn": "LF247DT",
      "kind": "packaging"
    },
    {
      "mpn": "LF247DTN",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lf247dt"
  ],
  "discovery_pitch": "LF247DT (STMicroelectronics) 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",
    "lf247dt.kicad_sym",
    "lf247dt.kicad_mod",
    "lf247dt.glb",
    "lf247dt.step",
    "lf247dt.lbr",
    "docs/hero.png",
    "docs/lf247dt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T23:54:49.216Z"
}