INA111AP

{
  "slug": "ina111ap",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Instrumentation Amplifiers, PDIP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ina111ap",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina111ap.kicad_sym",
    "ina111ap.kicad_mod",
    "ina111ap.glb",
    "ina111ap.step",
    "ina111ap.lbr",
    "docs/hero.png",
    "docs/ina111ap-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina111ap-hero.glb",
    "ina111ap-hero.overlay.json",
    "ina111ap-etched.glb"
  ],
  "component": {
    "mpn": "INA111AP",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Instrumentation Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina111",
    "parts": {
      "symbol": "ina111ap.kicad_sym",
      "footprint": "ina111ap.kicad_mod",
      "model_3d": "ina111ap-hero.glb",
      "model_3d_plain": "ina111ap-etched.glb",
      "model_3d_step": "ina111ap-etched.step",
      "model_3d_step_plain": "ina111ap.step",
      "lbr": "ina111ap.lbr"
    },
    "distributor_links": {
      "lcsc": "C1346140",
      "digikey": "INA111AP-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:58:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "INA111AP-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "One of two gain-setting resistor terminals; a single external resistor RG sets the gain as G = 1 + 50kΩ/RG, with no connection giving G = 1."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting signal input (VIN−) of the instrumentation amplifier, which must have a bias-current return path and whose linear common-mode range is about ±12V."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting signal input (VIN+) of the instrumentation amplifier, which must have a bias-current return path and whose linear common-mode range is about ±12V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative power supply terminal; the supply range is ±6V to ±18V and inputs are protected to 0.7V below this pin."
      },
      {
        "number": "5",
        "name": "Ref",
        "type": "input",
        "description": "Output reference terminal, normally grounded, that must be driven from a low-impedance connection to maintain good common-mode rejection."
      },
      {
        "number": "6",
        "name": "VO",
        "type": "output",
        "description": "Amplifier output, which is short-circuit protected to ground (continuous) and typically swings ±12.7V at 5mA."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply terminal; the supply range is ±6V to ±18V and inputs are protected to 15V above this pin."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Second gain-setting resistor terminal, paired with pin 1; the external RG resistor sets the gain and its stability affects gain accuracy and drift."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina111",
        "pages": 17,
        "sha256": "bb8527e3ee92e90a",
        "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"
    },
    "models_3d": [
      {
        "file": "ina111ap.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina111ap-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "72926c92346a0548ff3354c36c7deabeab0668d942b64a8f1c2d134b09dc95b0",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}