INA129U

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina129u",
  "title": "INA129U",
  "brief": "Texas Instruments Instrumentation OpAmps, SOIC-8. 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",
    "operational amplifier-comparator",
    "ina129u",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "INA129U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina129",
    "parts": {
      "symbol": "ina129u.kicad_sym",
      "footprint": "ina129u.kicad_mod",
      "model_3d": "ina129u-hero.glb",
      "model_3d_plain": "ina129u.glb",
      "model_3d_step": "ina129u-etched.step",
      "model_3d_step_plain": "ina129u.step",
      "lbr": "ina129u.lbr"
    },
    "distributor_links": {
      "lcsc": "C179741",
      "digikey": "INA129U-ND",
      "mouser": "595-INA129U"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T02:54:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "INA129U-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-INA129U",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1."
      },
      {
        "number": "2",
        "name": "VIN–",
        "type": "power_in",
        "description": "Negative input; ±40V overvoltage protected."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "power_in",
        "description": "Positive input; ±40V overvoltage protected."
      },
      {
        "number": "4",
        "name": "V–",
        "type": "power_in",
        "description": "Negative power supply; ±2.25V to ±18V dual supply range."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "input",
        "description": "Reference input; must be driven by low impedance source or grounded."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Output; VO = G × (VIN+ - VIN-) + VREF."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; ±2.25V to ±18V dual supply range."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin; connect external resistor between pins 1 and 8 for gain greater than 1."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin type for RG (pins 1 and 8) is not explicitly specified in the datasheet pin function table (mark"
        ],
        "pages_sent": 21,
        "cost_usd": 0.1839,
        "at": "2026-10-06T02:54:02"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina129",
        "pages": 42,
        "sha256": "190884220b677d89",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina129u"
  ],
  "discovery_pitch": "INA129U (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",
    "ina129u.kicad_sym",
    "ina129u.kicad_mod",
    "ina129u.glb",
    "ina129u.step",
    "ina129u.lbr",
    "docs/hero.png",
    "docs/ina129u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina129u-hero.glb",
    "ina129u-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}