INA126UA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina126ua",
  "title": "INA126UA",
  "brief": "Texas Instruments Instrumentation OpAmps, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ina126ua"
  ],
  "component": {
    "mpn": "INA126UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina126ua.pdf",
    "parts": {
      "symbol": "ina126ua.kicad_sym",
      "footprint": "ina126ua.kicad_mod",
      "model_3d": "ina126ua-etched.glb",
      "model_3d_plain": "ina126ua.glb",
      "model_3d_step": "ina126ua-etched.step",
      "model_3d_step_plain": "ina126ua.step",
      "lbr": "ina126ua.lbr"
    },
    "distributor_links": {
      "digikey": "INA126UA-ND"
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin. Place external gain resistor RG between pin 1 and pin 8 for gains greater than 5 V/V. Gain equation: G = 5 + 80kΩ/RG."
      },
      {
        "number": "2",
        "name": "V-IN",
        "type": "input",
        "description": "Inverting (negative) differential input to the instrumentation amplifier. Input signal voltage limited to (V-)-0.7 V to (V+)+0.7 V by internal protection diodes."
      },
      {
        "number": "3",
        "name": "V+IN",
        "type": "input",
        "description": "Non-inverting (positive) differential input to the instrumentation amplifier. Input signal voltage limited to (V-)-0.7 V to (V+)+0.7 V by internal protection diodes."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail. Total supply voltage V+ to V- range ±1.35 V to ±18 V (36 V max). May be tied to GND for single-supply operation."
      },
      {
        "number": "5",
        "name": "Ref",
        "type": "input",
        "description": "Output reference input. Must be driven by a low-impedance source or tied to ground; sets the DC reference for the output (VO = (V+IN - V-IN)·G + VRef)."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Amplifier output. Delivers the amplified differential input signal referred to the Ref pin."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Total supply voltage V+ to V- range ±1.35 V to ±18 V (36 V max)."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin. Place external gain resistor RG between pin 1 and pin 8 for gains greater than 5 V/V. Gain equation: G = 5 + 80kΩ/RG."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina126ua.pdf",
        "pages": 35,
        "sha256": "b11e90da09e07d6a",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ina126ua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina126ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f48bb03ca6556704d3302630fe51337dfb5245dc8d4f3131e2541725b009ae82",
        "checked": "2026-10-26",
        "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"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina126ua"
  ],
  "discovery_pitch": "INA126UA (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina126ua.kicad_sym",
    "ina126ua.kicad_mod",
    "ina126ua.glb",
    "ina126ua.step",
    "ina126ua-etched.step",
    "ina126ua.lbr",
    "docs/hero.png",
    "docs/ina126ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "INA126UAU",
      "kind": "packaging"
    },
    {
      "mpn": "INA126UA",
      "kind": "packaging"
    },
    {
      "mpn": "INA126UAP",
      "kind": "packaging"
    },
    {
      "mpn": "INA126UAPA",
      "kind": "packaging"
    },
    {
      "mpn": "INA126UAE",
      "kind": "packaging"
    },
    {
      "mpn": "INA126UAEA",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:31:45.694Z"
}