OPA4131UA

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa4131ua",
  "title": "OPA4131UA",
  "brief": "Texas Instruments FET Input Amplifiers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "opa4131ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OPA4131UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Amplifiers/Comparators",
    "subcategory": "FET Input Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/opa4131",
    "parts": {
      "symbol": "opa4131ua.kicad_sym",
      "footprint": "opa4131ua.kicad_mod",
      "model_3d": "opa4131ua-hero.glb",
      "model_3d_plain": "opa4131ua.glb",
      "model_3d_step": "opa4131ua-etched.step",
      "model_3d_step_plain": "opa4131ua.step",
      "lbr": "opa4131ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2060799",
      "digikey": "OPA4131UA-ND",
      "mouser": "595-OPA4131UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:20:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "OPA4131UA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-OPA4131UA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT A",
        "type": "output",
        "description": "Output of channel A."
      },
      {
        "number": "2",
        "name": "–IN A",
        "type": "input",
        "description": "Inverting input of channel A."
      },
      {
        "number": "3",
        "name": "+IN A",
        "type": "input",
        "description": "Noninverting input of channel A."
      },
      {
        "number": "4",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply."
      },
      {
        "number": "5",
        "name": "+IN B",
        "type": "input",
        "description": "Noninverting input of channel B."
      },
      {
        "number": "6",
        "name": "–IN B",
        "type": "input",
        "description": "Inverting input of channel B."
      },
      {
        "number": "7",
        "name": "OUT B",
        "type": "output",
        "description": "Output of channel B."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float this pin."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; float this pin."
      },
      {
        "number": "10",
        "name": "OUT C",
        "type": "output",
        "description": "Output of channel C."
      },
      {
        "number": "11",
        "name": "–IN C",
        "type": "input",
        "description": "Inverting input of channel C."
      },
      {
        "number": "12",
        "name": "+IN C",
        "type": "input",
        "description": "Noninverting input of channel C."
      },
      {
        "number": "13",
        "name": "V–",
        "type": "power_in",
        "description": "Negative (lowest) power supply."
      },
      {
        "number": "14",
        "name": "+IN D",
        "type": "input",
        "description": "Noninverting input of channel D."
      },
      {
        "number": "15",
        "name": "–IN D",
        "type": "input",
        "description": "Inverting input of channel D."
      },
      {
        "number": "16",
        "name": "OUT D",
        "type": "output",
        "description": "Output of channel D."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists pins 8 and 9 as NC with type '—' and says 'No internal connection. Float this pi"
        ],
        "pages_sent": 32,
        "cost_usd": 0.1114,
        "at": "2026-10-08T15:19:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/opa4131",
        "pages": 32,
        "sha256": "4de751b87581a378",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "opa4131ua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa4131ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ebf08e5acafe6a083dda39438b3f44ba6b72ebcf5ba7ec1992705f0d678503eb",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16-300mil",
      "Category": "Amplifiers/Comparators",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "opa4131ua"
  ],
  "discovery_pitch": "OPA4131UA (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa4131ua.kicad_sym",
    "opa4131ua.kicad_mod",
    "opa4131ua.glb",
    "opa4131ua.step",
    "opa4131ua.lbr",
    "docs/hero.png",
    "docs/opa4131ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa4131ua-hero.glb",
    "opa4131ua-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}