LF411CDR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lf411cdr",
  "title": "LF411CDR",
  "brief": "Texas Instruments Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lf411cdr"
  ],
  "component": {
    "mpn": "LF411CDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lf411c.pdf",
    "parts": {
      "symbol": "lf411cdr.kicad_sym",
      "footprint": "lf411cdr.kicad_mod",
      "model_3d": "lf411cdr-etched.glb",
      "model_3d_plain": "lf411cdr.glb",
      "model_3d_step": "lf411cdr-etched.step",
      "model_3d_step_plain": "lf411cdr.step",
      "lbr": "lf411cdr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "BAL1",
        "type": "input",
        "description": "Offset null / balance pin 1. Connect a potentiometer (typ. 10 kΩ) between BAL1 and BAL2 with the wiper tied to VCC- to trim input offset voltage to zero."
      },
      {
        "number": "2",
        "name": "IN-",
        "type": "input",
        "description": "Inverting input of the op-amp. High-impedance JFET input (~10^12 Ω), input bias current 50 pA typ."
      },
      {
        "number": "3",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input of the op-amp. High-impedance JFET input (~10^12 Ω), input bias current 50 pA typ."
      },
      {
        "number": "4",
        "name": "VCC-",
        "type": "power_in",
        "description": "Negative supply rail. Recommended operating range -3.5 V to -18 V; absolute maximum -18 V. In single-supply operation connect to GND."
      },
      {
        "number": "5",
        "name": "BAL2",
        "type": "input",
        "description": "Offset null / balance pin 2. Used with BAL1 and a trim potentiometer (wiper to VCC-) to null input offset voltage."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Op-amp output. Peak output-voltage swing ±13.5 V typ at RL=10 kΩ with ±15 V supplies; short-circuit protected (unlimited duration)."
      },
      {
        "number": "7",
        "name": "VCC+",
        "type": "power_in",
        "description": "Positive supply rail. Recommended operating range 3.5 V to 18 V; absolute maximum 18 V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any convenient potential."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lf411c.pdf",
        "pages": 11,
        "sha256": "1e51951a18976c2b",
        "source_tier": "mfr"
      },
      "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": "lf411cdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lf411cdr-etched.step",
        "role": "eda",
        "up": "Z",
        "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": "ff77c5d7282425ff8c426f4d8cb829fbb1fa4351e44c49d2545c06e56240f9eb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "LF411CDR",
      "kind": "packaging"
    },
    {
      "mpn": "LF411CDG4",
      "kind": "unknown"
    },
    {
      "mpn": "LF411CDRG4",
      "kind": "packaging"
    },
    {
      "mpn": "LF411ID",
      "kind": "unknown"
    },
    {
      "mpn": "LF411CP",
      "kind": "unknown"
    },
    {
      "mpn": "LF411CPE4",
      "kind": "unknown"
    },
    {
      "mpn": "LF411IP",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lf411cdr"
  ],
  "discovery_pitch": "LF411CDR (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",
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    "lf411cdr.kicad_mod",
    "lf411cdr.glb",
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    "lf411cdr.lbr",
    "docs/hero.png",
    "docs/lf411cdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T23:56:11.061Z"
}