LF347DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lf347dr",
  "title": "LF347DR",
  "brief": "Texas Instruments 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",
    "lf347dr"
  ],
  "component": {
    "mpn": "LF347DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "FET InputAmplifiers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lf347.pdf",
    "parts": {
      "symbol": "lf347dr.kicad_sym",
      "footprint": "lf347dr.kicad_mod",
      "model_3d": "lf347dr-etched.glb",
      "model_3d_plain": "lf347dr.glb",
      "model_3d_step": "lf347dr-etched.step",
      "model_3d_step_plain": "lf347dr.step",
      "lbr": "lf347dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output pin of amplifier 1. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input pin of amplifier 1. JFET input with typical input bias current of 50 pA and input resistance of 10^12 Ω."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Noninverting input pin of amplifier 1. JFET input with typical input bias current of 50 pA and input resistance of 10^12 Ω."
      },
      {
        "number": "4",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply voltage. Recommended operating range 3.5 V to 18 V; absolute maximum 18 V. Typical supply current 8 mA."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Noninverting input pin of amplifier 2. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting input pin of amplifier 2. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output pin of amplifier 2. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ."
      },
      {
        "number": "8",
        "name": "3OUT",
        "type": "output",
        "description": "Output pin of amplifier 3. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ."
      },
      {
        "number": "9",
        "name": "3IN-",
        "type": "input",
        "description": "Inverting input pin of amplifier 3. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "10",
        "name": "3IN+",
        "type": "input",
        "description": "Noninverting input pin of amplifier 3. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "11",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply voltage. Recommended operating range -3.5 V to -18 V; absolute maximum -18 V."
      },
      {
        "number": "12",
        "name": "4IN+",
        "type": "input",
        "description": "Noninverting input pin of amplifier 4. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "13",
        "name": "4IN-",
        "type": "input",
        "description": "Inverting input pin of amplifier 4. JFET input with typical input bias current of 50 pA."
      },
      {
        "number": "14",
        "name": "4OUT",
        "type": "output",
        "description": "Output pin of amplifier 4. Maximum peak output voltage swing ±13.5 V typical into RL = 10 kΩ."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lf347.pdf",
        "pages": 22,
        "sha256": "2ae820672c857470",
        "source_tier": "mfr"
      },
      "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": "lf347dr.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": "lf347dr-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": "45f63906c0e99a78911aae0814aeb5c2196d3fb29d6ae7937dd1c7102a732359",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    }
  },
  "variants": [
    {
      "mpn": "LF347DRD",
      "kind": "packaging"
    },
    {
      "mpn": "LF347DRBD",
      "kind": "packaging"
    },
    {
      "mpn": "LF347DRN",
      "kind": "packaging"
    },
    {
      "mpn": "LF347DRBN",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lf347dr"
  ],
  "discovery_pitch": "LF347DR (Texas Instruments) 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",
    "lf347dr.kicad_sym",
    "lf347dr.kicad_mod",
    "lf347dr.glb",
    "lf347dr.step",
    "lf347dr.lbr",
    "docs/hero.png",
    "docs/lf347dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T23:55:21.324Z"
}