XTR115U

{
  "schema_version": 1,
  "type": "component",
  "slug": "xtr115u",
  "title": "XTR115U",
  "brief": "Texas Instruments Special Purpose Amplifiers, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "xtr115u"
  ],
  "component": {
    "mpn": "XTR115U",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Special Purpose Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/xtr115",
    "parts": {
      "symbol": "xtr115u.kicad_sym",
      "footprint": "xtr115u.kicad_mod",
      "model_3d": "xtr115u-etched.glb",
      "model_3d_plain": "xtr115u.glb",
      "model_3d_step": "xtr115u-etched.step",
      "model_3d_step_plain": "xtr115u.step",
      "lbr": "xtr115u.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "output",
        "description": "Precision voltage reference output. 2.5V on XTR115 (4.096V on XTR116). Used to excite sensors or provide offsets."
      },
      {
        "number": "2",
        "name": "IIN",
        "type": "input",
        "description": "Current input pin to the internal control amplifier (A1). The loop output current is IO = 100 x IIN."
      },
      {
        "number": "3",
        "name": "IRET",
        "type": "input",
        "description": "Local ground return pin for VREG and VREF currents. Used to sense and include the regulator/reference return current in the loop output for high accuracy."
      },
      {
        "number": "4",
        "name": "IO",
        "type": "output",
        "description": "Regulated 4mA to 20mA current-loop output. Connects to the external pass transistor emitter path returning to the loop negative side."
      },
      {
        "number": "5",
        "name": "E",
        "type": "input",
        "description": "External NPN pass transistor emitter connection. Provides the sense/feedback point for the loop current control loop."
      },
      {
        "number": "6",
        "name": "B",
        "type": "output",
        "description": "External NPN pass transistor base drive output. Driven by the internal error amplifier to regulate loop current."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Loop power supply input. Operating range 7.5V to 36V (absolute max 40V)."
      },
      {
        "number": "8",
        "name": "VREG",
        "type": "power_out",
        "description": "5V regulator voltage output, available to power external sensor/signal-conditioning circuitry from the loop supply."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/xtr115",
        "pages": 25,
        "sha256": "fb298d4a78fc8212",
        "source_tier": "lcsc"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "XTR115UU",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xtr115u"
  ],
  "discovery_pitch": "XTR115U (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xtr115u.kicad_sym",
    "xtr115u.kicad_mod",
    "xtr115u.glb",
    "xtr115u.step",
    "xtr115u.lbr",
    "docs/hero.png",
    "docs/xtr115u-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T14:42:03.983Z"
}