INA166UA

{
  "slug": "ina166ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Instrumentation Amplifiers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ina166ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina166ua.kicad_sym",
    "ina166ua.kicad_mod",
    "ina166ua.glb",
    "ina166ua.step",
    "ina166ua.lbr",
    "docs/hero.png",
    "docs/ina166ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina166ua-hero.glb",
    "ina166ua-hero.overlay.json"
  ],
  "component": {
    "mpn": "INA166UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Instrumentation Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina166",
    "parts": {
      "symbol": "ina166ua.kicad_sym",
      "footprint": "ina166ua.kicad_mod",
      "model_3d": "ina166ua-hero.glb",
      "model_3d_plain": "ina166ua.glb",
      "model_3d_step": "ina166ua-etched.step",
      "model_3d_step_plain": "ina166ua.step",
      "lbr": "ina166ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2060786",
      "digikey": "2156-INA166UA-TI-ND",
      "mouser": "595-INA166UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T03:04:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-INA166UA-TI-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-INA166UA",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VO1",
        "type": "passive",
        "description": "Output of input amplifier A1 (internal node, connects through the internal 6kΩ resistor to the output stage)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "3",
        "name": "GS1",
        "type": "passive",
        "description": "Gain-set terminal; an optional external RG between pin 3 and pin 12 increases gain above the internal G = 2000 per G = 2000 + 60000/RG."
      },
      {
        "number": "4",
        "name": "VIN–",
        "type": "power_in",
        "description": "Inverting differential input; input is diode-clamped to the supply rails, limit current to 10mA if the signal swings more than 0.5V beyond the rails."
      },
      {
        "number": "5",
        "name": "VIN+",
        "type": "power_in",
        "description": "Non-inverting differential input; input is diode-clamped to the supply rails, limit current to 10mA if the signal swings more than 0.5V beyond the rails."
      },
      {
        "number": "6",
        "name": "V–",
        "type": "power_in",
        "description": "Negative power supply, ±4.5V to ±18V supply range, bypass with 0.1µF tantalum capacitor near the pin."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "Sense",
        "type": "input",
        "description": "Output sense terminal; should be a low-impedance connection, as more than 5Ω in series degrades common-mode rejection."
      },
      {
        "number": "9",
        "name": "VO",
        "type": "output",
        "description": "Amplifier output, swings to within about 2V of the rails into 2kΩ, with ±60mA continuous short-circuit current."
      },
      {
        "number": "10",
        "name": "Ref",
        "type": "input",
        "description": "Output reference terminal, normally grounded; must be low-impedance (under 5Ω in series) and a voltage applied here is summed with the output for offset trim."
      },
      {
        "number": "11",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply, ±4.5V to ±18V supply range, bypass with 0.1µF tantalum capacitor near the pin."
      },
      {
        "number": "12",
        "name": "GS2",
        "type": "passive",
        "description": "Gain-set terminal; an optional external RG between pin 3 and pin 12 increases gain above the internal G = 2000."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "14",
        "name": "VO2",
        "type": "passive",
        "description": "Output of input amplifier A2 (internal node, connects through the internal 6kΩ resistor to the output stage)."
      }
    ],
    "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 extracted text prints both pins only as 'VIN' with no polarity, and the schematic text does not ; The datasheet names VO1 and VO2 only in the block diagram and pin list, and gives no external connec; Pin numbers were inferred from the scrambled text of the top-view drawing. The ordering of pins 8-14",
          "2/14 pins cited to the wrong page (name found elsewhere): ['3:GS1@p6', '12:GS2@p6']"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0598,
        "at": "2026-10-12T03:04:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina166",
        "pages": 11,
        "sha256": "bf43a623bfc9b26e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ina166ua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina166ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6961a18a0ae23975b98472ac7b2bad1f9eab8952c797721db1254188c16643f4",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}