INA2141UA

{
  "slug": "ina2141ua",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Instrumentation Amplifiers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ina2141ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina2141ua.kicad_sym",
    "ina2141ua.kicad_mod",
    "ina2141ua.glb",
    "ina2141ua.step",
    "ina2141ua.lbr",
    "docs/hero.png",
    "docs/ina2141ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina2141ua-hero.glb",
    "ina2141ua-hero.overlay.json"
  ],
  "component": {
    "mpn": "INA2141UA",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Amplifiers/Comparators",
    "subcategory": "Instrumentation Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina2141",
    "parts": {
      "symbol": "ina2141ua.kicad_sym",
      "footprint": "ina2141ua.kicad_mod",
      "model_3d": "ina2141ua-hero.glb",
      "model_3d_plain": "ina2141ua.glb",
      "model_3d_step": "ina2141ua-etched.step",
      "model_3d_step_plain": "ina2141ua.step",
      "lbr": "ina2141ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868140",
      "digikey": "2156-INA2141UA-ND",
      "mouser": "595-INA2141UA"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:18:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-INA2141UA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-INA2141UA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINA-",
        "type": "input",
        "description": "Inverting input of channel A, protected to ±40V."
      },
      {
        "number": "2",
        "name": "VINA+",
        "type": "input",
        "description": "Noninverting input of channel A, protected to ±40V."
      },
      {
        "number": "3",
        "name": "JA",
        "type": "passive",
        "description": "Channel A gain-set jumper pin; G = 10V/V with no jumper to pin 4 and G = 100V/V with a low-resistance jumper installed."
      },
      {
        "number": "4",
        "name": "JA",
        "type": "passive",
        "description": "Channel A gain-set jumper pin; connect to pin 3 with a low-resistance jumper for G = 100V/V (0.5Ω in series lowers gain by 0.1%)."
      },
      {
        "number": "5",
        "name": "RefA",
        "type": "input",
        "description": "Channel A output reference terminal, normally grounded and requiring a low-impedance connection to preserve CMR."
      },
      {
        "number": "6",
        "name": "VOA",
        "type": "output",
        "description": "Channel A output, referred to RefA; drives loads of 10kΩ with stable load capacitance up to 1000pF."
      },
      {
        "number": "7",
        "name": "SenseA",
        "type": "input",
        "description": "Channel A output sense feedback connection, which must be connected to the VOA output (or load) for proper operation."
      },
      {
        "number": "8",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply voltage, operating range from -2.25V to -18V."
      },
      {
        "number": "9",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply voltage, operating range from +2.25V to +18V."
      },
      {
        "number": "10",
        "name": "SenseB",
        "type": "input",
        "description": "Channel B output sense feedback connection, which must be connected to the VOB output (or load) for proper operation."
      },
      {
        "number": "11",
        "name": "VOB",
        "type": "output",
        "description": "Channel B output, referred to RefB; drives loads of 10kΩ with stable load capacitance up to 1000pF."
      },
      {
        "number": "12",
        "name": "RefB",
        "type": "input",
        "description": "Channel B output reference terminal, normally grounded and requiring a low-impedance connection to preserve CMR."
      },
      {
        "number": "13",
        "name": "JB",
        "type": "passive",
        "description": "Channel B gain-set jumper pin; connect to pin 14 with a low-resistance jumper for G = 100V/V (0.5Ω in series lowers gain by 0.1%)."
      },
      {
        "number": "14",
        "name": "JB",
        "type": "passive",
        "description": "Channel B gain-set jumper pin; G = 10V/V with no jumper to pin 13 and G = 100V/V with a low-resistance jumper installed."
      },
      {
        "number": "15",
        "name": "VINB+",
        "type": "input",
        "description": "Noninverting input of channel B, protected to ±40V."
      },
      {
        "number": "16",
        "name": "VINB-",
        "type": "input",
        "description": "Inverting input of channel B, protected to ±40V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the pinout for DIP and SOL-16 together on one drawing. The TI package addendum l; The 'type' values for the J pins (passive) and Ref/Sense pins (input) are judgments. The datasheet d",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.263,
        "at": "2026-10-11T11:18:40"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina2141",
        "pages": 16,
        "sha256": "bc6511874b6cbe97",
        "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": "ina2141ua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina2141ua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5c9c5d9589182f32d6fca7a0d1adfd4dd5ca1133bb437daf7ac98e80cafea9aa",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}