INA2331AIPWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina2331aipwr",
  "title": "INA2331AIPWR",
  "brief": "Texas Instruments Instrumentation Amplifiers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "amplifiers-comparators",
    "ina2331aipwr",
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  "component": {
    "mpn": "INA2331AIPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Instrumentation Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ina2331",
    "parts": {
      "symbol": "ina2331aipwr.kicad_sym",
      "footprint": "ina2331aipwr.kicad_mod",
      "model_3d": "ina2331aipwr-hero.glb",
      "model_3d_plain": "ina2331aipwr.glb",
      "model_3d_step": "ina2331aipwr-etched.step",
      "model_3d_step_plain": "ina2331aipwr.step",
      "lbr": "ina2331aipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C97543",
      "digikey": "296-44980-2-ND",
      "mouser": "595-INA2331AIPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T20:56:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44980-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-INA2331AIPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RGA",
        "type": "passive",
        "description": "Channel A gain-setting terminal; external R1/R2 per G = 5 + 5(R2/R1) set gain above 5V/V, and shorting VOUT to RG gives G = 5."
      },
      {
        "number": "2",
        "name": "VIN–A",
        "type": "power_in",
        "description": "Channel A inverting input, diode-clamped to the supply rails with signals limited to (V-) - 0.5V to (V+) + 0.5V and 10mA."
      },
      {
        "number": "3",
        "name": "VIN+A",
        "type": "power_in",
        "description": "Channel A non-inverting input, diode-clamped to the supply rails with signals limited to (V-) - 0.5V to (V+) + 0.5V and 10mA."
      },
      {
        "number": "4",
        "name": "V–",
        "type": "power_in",
        "description": "Negative supply (or ground in single-supply operation), supply range V+ to V- of +2.7V to +5.5V specified and 7.5V absolute maximum."
      },
      {
        "number": "5",
        "name": "VIN+B",
        "type": "power_in",
        "description": "Channel B non-inverting input, diode-clamped to the supply rails with signals limited to (V-) - 0.5V to (V+) + 0.5V and 10mA."
      },
      {
        "number": "6",
        "name": "VIN–B",
        "type": "power_in",
        "description": "Channel B inverting input, diode-clamped to the supply rails with signals limited to (V-) - 0.5V to (V+) + 0.5V and 10mA."
      },
      {
        "number": "7",
        "name": "RGB",
        "type": "passive",
        "description": "Channel B gain-setting terminal; external R1/R2 per G = 5 + 5(R2/R1) set gain above 5V/V, and shorting VOUT to RG gives G = 5."
      },
      {
        "number": "8",
        "name": "Shutdown B",
        "type": "input",
        "description": "Channel B shutdown control, nominally connected to V+; pulled below 0.8V on a 5V supply it enters sleep mode with high output impedance."
      },
      {
        "number": "9",
        "name": "VOUTB",
        "type": "output",
        "description": "Channel B rail-to-rail output, optimized for loads of 10kΩ or greater and swinging to within 25mV of the rail at 10kΩ."
      },
      {
        "number": "10",
        "name": "REFB",
        "type": "input",
        "description": "Channel B reference terminal defining zero output level; needs a low-impedance connection and must be at least 1.2V below the positive supply."
      },
      {
        "number": "11",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply, +2.7V to +5.5V specified (+2.5V to +5.5V operating), 7.5V absolute maximum V+ to V-, decoupled with 0.1µF."
      },
      {
        "number": "12",
        "name": "REFA",
        "type": "input",
        "description": "Channel A reference terminal defining zero output level; needs a low-impedance connection and must be at least 1.2V below the positive supply."
      },
      {
        "number": "13",
        "name": "VOUTA",
        "type": "output",
        "description": "Channel A rail-to-rail output, optimized for loads of 10kΩ or greater and swinging to within 25mV of the rail at 10kΩ."
      },
      {
        "number": "14",
        "name": "Shutdown A",
        "type": "input",
        "description": "Channel A shutdown control, nominally connected to V+; pulled below 0.8V on a 5V supply it enters sleep mode with high output impedance."
      }
    ],
    "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": [],
        "pages_sent": 24,
        "cost_usd": 0.179,
        "at": "2026-10-05T20:56:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ina2331",
        "pages": 24,
        "sha256": "b563b3023a3cb8c8",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Amplifiers/Comparators",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_pitch": "INA2331AIPWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}