INA188IDR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina188idr",
  "title": "INA188IDR",
  "brief": "Texas Instruments Precision OpAmps, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ina188idr"
  ],
  "component": {
    "mpn": "INA188IDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Precision OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina188.pdf",
    "parts": {
      "symbol": "ina188idr.kicad_sym",
      "footprint": "ina188idr.kicad_mod",
      "model_3d": "ina188idr-etched.glb",
      "model_3d_plain": "ina188idr.glb",
      "model_3d_step": "ina188idr-etched.step",
      "model_3d_step_plain": "ina188idr.step",
      "lbr": "ina188idr.lbr"
    },
    "distributor_links": {
      "digikey": "296-43151-2-ND",
      "lcsc": "C601652"
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin. For gains greater than 1, place an external gain resistor R_G between pin 1 and pin 8. Gain equation: G = 1 + (50 kΩ / R_G)."
      },
      {
        "number": "2",
        "name": "VIN-",
        "type": "input",
        "description": "Negative (inverting) analog input of the instrumentation amplifier. High-impedance differential input; common-mode range (V-)+0.1 V to (V+)-1.5 V."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "input",
        "description": "Positive (non-inverting) analog input of the instrumentation amplifier. High-impedance differential input; common-mode range (V-)+0.1 V to (V+)-1.5 V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail. Connect to ground for single-supply operation, or to the negative supply for dual-supply operation. Absolute-max supply span ±20 V (40 V single)."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "input",
        "description": "Reference input. Sets the output common-mode / offset level (V_OUT = (V_IN+ - V_IN-)·G + V_REF). Must be driven from a low-impedance source or tied to ground; input impedance ≈ 40 kΩ."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Rail-to-rail amplifier output. Short-circuit current ±18 mA; output swings within ~250 mV of the supply rails with R_L = 10 kΩ."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Single-supply 4 V to 36 V or dual-supply ±2 V to ±18 V. Quiescent current 1.4 mA typ."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin. Complements pin 1; place external R_G between pins 1 and 8 to set gain. Leave open for G = 1."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina188.pdf",
        "pages": 41,
        "sha256": "dce0bd5f616f35f5",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina188idr"
  ],
  "discovery_pitch": "INA188IDR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "ina188idr.kicad_mod",
    "ina188idr.glb",
    "ina188idr.step",
    "ina188idr-etched.step",
    "ina188idr.lbr",
    "docs/hero.png",
    "docs/ina188idr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "INA188IDR",
      "kind": "packaging"
    },
    {
      "mpn": "INA188IDRJ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:36:25.761Z"
}