LP339DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp339dr",
  "title": "LP339DR",
  "brief": "Texas Instruments Comparators, 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",
    "lp339dr"
  ],
  "component": {
    "mpn": "LP339DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lp339.pdf",
    "parts": {
      "symbol": "lp339dr.kicad_sym",
      "footprint": "lp339dr.kicad_mod",
      "model_3d": "lp339dr-etched.glb",
      "model_3d_plain": "lp339dr.glb",
      "model_3d_step": "lp339dr-etched.step",
      "model_3d_step_plain": "lp339dr.step",
      "lbr": "lp339dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Open-collector output of comparator 1. Requires an external pull-up resistor to a positive supply. Sinks current when the inverting input is above the non-inverting input."
      },
      {
        "number": "2",
        "name": "2OUT",
        "type": "output",
        "description": "Open-collector output of comparator 2. Requires an external pull-up resistor to a positive supply."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage. Single-supply operation 2 V to 36 V or dual-supply ±1 V to ±18 V."
      },
      {
        "number": "4",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting input of comparator 2. Common-mode input range includes ground (V-)."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting input of comparator 2. Common-mode input range includes ground (V-)."
      },
      {
        "number": "6",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input of comparator 1. Common-mode input range includes ground (V-)."
      },
      {
        "number": "7",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting input of comparator 1. Common-mode input range includes ground (V-)."
      },
      {
        "number": "8",
        "name": "3IN+",
        "type": "input",
        "description": "Non-inverting input of comparator 3. Common-mode input range includes ground (V-)."
      },
      {
        "number": "9",
        "name": "3IN-",
        "type": "input",
        "description": "Inverting input of comparator 3. Common-mode input range includes ground (V-)."
      },
      {
        "number": "10",
        "name": "4IN+",
        "type": "input",
        "description": "Non-inverting input of comparator 4. Common-mode input range includes ground (V-)."
      },
      {
        "number": "11",
        "name": "4IN-",
        "type": "input",
        "description": "Inverting input of comparator 4. Common-mode input range includes ground (V-)."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply (V-). Tie to system ground in single-supply operation, or to the negative rail in dual-supply operation."
      },
      {
        "number": "13",
        "name": "4OUT",
        "type": "output",
        "description": "Open-collector output of comparator 4. Requires an external pull-up resistor to a positive supply."
      },
      {
        "number": "14",
        "name": "3OUT",
        "type": "output",
        "description": "Open-collector output of comparator 3. Requires an external pull-up resistor to a positive supply."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lp339.pdf",
        "pages": 15,
        "sha256": "568cdf139073fc1a",
        "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": "lp339dr.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": "lp339dr-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e2c44348189befc30a8a4bc27d97c44468777f64b4f72c17943395ba6d9835e8",
        "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": "LP339DR",
      "kind": "packaging"
    },
    {
      "mpn": "LP339DRD",
      "kind": "packaging"
    },
    {
      "mpn": "LP339DRPWR",
      "kind": "packaging"
    },
    {
      "mpn": "LP339DRPW",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp339dr"
  ],
  "discovery_pitch": "LP339DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lp339dr.kicad_sym",
    "lp339dr.kicad_mod",
    "lp339dr.glb",
    "lp339dr.step",
    "lp339dr.lbr",
    "docs/hero.png",
    "docs/lp339dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-28T17:54:25.026Z"
}