INA138NA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina138na",
  "title": "INA138NA",
  "brief": "Texas Instruments Current-Sensing Amplifiers, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "op-amp-cmp",
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  "component": {
    "mpn": "INA138NA",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Current-Sensing Amplifiers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina138.pdf",
    "parts": {
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      "footprint": "ina138na.kicad_mod",
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Output current pin. Sources a current proportional to the differential sense voltage (VIN+ − VIN−) with transconductance of 200 µA/V; an external load resistor RL converts this current to an output voltage VO = IS · RS · RL / 5 kΩ."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "input",
        "description": "Positive differential input; connects to the high side of the external shunt resistor RS. Common-mode range 2.7 V to 36 V (INA138) is independent of the supply voltage V+."
      },
      {
        "number": "4",
        "name": "VIN-",
        "type": "input",
        "description": "Negative differential input; connects to the load side of the external shunt resistor RS. Full-scale sense voltage (VIN+ − VIN−) up to 500 mV."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Power supply input. Operating range 2.7 V to 36 V for the INA138; independent of the input common-mode voltage. Quiescent current 25 µA typical."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina138.pdf",
        "pages": 28,
        "sha256": "381c48493d9daa2e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina138na"
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  "discovery_pitch": "INA138NA (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "ina138na-etched.step",
    "ina138na.lbr",
    "docs/hero.png",
    "docs/ina138na-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "INA138NA",
      "kind": "packaging"
    },
    {
      "mpn": "INA138NA/250",
      "kind": "packaging"
    },
    {
      "mpn": "INA138NA/3K",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:32:18.062Z"
}