LF444CN

{
  "schema_version": 1,
  "type": "component",
  "slug": "lf444cn",
  "title": "LF444CN",
  "brief": "Texas Instruments FET Input Amplifiers, DIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LF444CN",
    "manufacturer": "Texas Instruments",
    "package": "DIP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "FET Input Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lf444",
    "parts": {
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      "footprint": "lf444cn.kicad_mod",
      "model_3d": "lf444cn-etched.glb",
      "model_3d_plain": "lf444cn.glb",
      "model_3d_step": "lf444cn-etched.step",
      "model_3d_step_plain": "lf444cn.step",
      "lbr": "lf444cn.lbr"
    },
    "distributor_links": {
      "lcsc": "C34069",
      "digikey": "LF444CN-ND",
      "mouser": "926-LF444CN"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T15:30:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LF444CN-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LF444CN",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT1",
        "type": "output",
        "description": "Output of amplifier 1; drives a 10 kΩ load to ±10V over the full temperature range."
      },
      {
        "number": "2",
        "name": "IN1-",
        "type": "input",
        "description": "Inverting input of amplifier 1 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "3",
        "name": "IN1+",
        "type": "input",
        "description": "Non-inverting input of amplifier 1 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply; absolute maximum supply voltage is ±18V for the LF444, and the amplifiers operate with supplies down to ±3.0V."
      },
      {
        "number": "5",
        "name": "IN2+",
        "type": "input",
        "description": "Non-inverting input of amplifier 2 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "6",
        "name": "IN2-",
        "type": "input",
        "description": "Inverting input of amplifier 2 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Output of amplifier 2; may be shorted to ground indefinitely, but not more than one output at once."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Output of amplifier 3; may be shorted to ground indefinitely, but not more than one output at once."
      },
      {
        "number": "9",
        "name": "IN3-",
        "type": "input",
        "description": "Inverting input of amplifier 3 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "10",
        "name": "IN3+",
        "type": "input",
        "description": "Non-inverting input of amplifier 3 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "11",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply; input voltages must not be allowed to exceed it, and the supply must never be reversed in polarity."
      },
      {
        "number": "12",
        "name": "IN4+",
        "type": "input",
        "description": "Non-inverting input of amplifier 4 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "13",
        "name": "IN4-",
        "type": "input",
        "description": "Inverting input of amplifier 4 (JFET input); must not exceed the negative supply."
      },
      {
        "number": "14",
        "name": "OUT4",
        "type": "output",
        "description": "Output of amplifier 4; may be shorted to ground indefinitely, but not more than one output at once."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 21,
        "cost_usd": 0.3816,
        "at": "2026-10-01T15:30:12"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lf444",
        "pages": 21,
        "sha256": "fba9120ffbce1dca",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "DIP-14",
      "Category": "Amplifiers/Comparators",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "LF444CN (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}