ADS112U04IRTER

{
  "schema_version": 1,
  "type": "component",
  "slug": "ads112u04irter",
  "title": "ADS112U04IRTER",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "ads112u04irter"
  ],
  "component": {
    "mpn": "ADS112U04IRTER",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads112u04",
    "parts": {
      "symbol": "ads112u04irter.kicad_sym",
      "footprint": "ads112u04irter.kicad_mod",
      "model_3d": "ads112u04irter-etched.glb",
      "model_3d_plain": "ads112u04irter.glb",
      "model_3d_step": "ads112u04irter-etched.step",
      "model_3d_step_plain": "ads112u04irter.step",
      "lbr": "ads112u04irter.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input. Referenced to DVDD/DGND; valid input range DGND to DVDD."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground return for DVDD and all digital I/O."
      },
      {
        "number": "3",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply. Unipolar: tie to DGND. Bipolar: -2.75 V to -2.3 V vs DGND. Connect thermal pad here."
      },
      {
        "number": "4",
        "name": "AIN3",
        "type": "input",
        "description": "Analog input channel 3 to the input mux/PGA. Absolute range AVSS-0.1 V to AVDD+0.1 V (PGA disabled)."
      },
      {
        "number": "5",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input channel 2 to the input mux/PGA. Absolute range AVSS-0.1 V to AVDD+0.1 V (PGA disabled)."
      },
      {
        "number": "6",
        "name": "REFN",
        "type": "input",
        "description": "Negative external voltage reference input. Absolute range AVSS-0.1 V to V(REFP)-0.75 V."
      },
      {
        "number": "7",
        "name": "REFP",
        "type": "input",
        "description": "Positive external voltage reference input. Absolute range V(REFN)+0.75 V to AVDD+0.1 V; differential VREF 0.75 V to AVDD-AVSS."
      },
      {
        "number": "8",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input channel 1 to the input mux/PGA. Absolute range AVSS-0.1 V to AVDD+0.1 V (PGA disabled)."
      },
      {
        "number": "9",
        "name": "AIN0",
        "type": "input",
        "description": "Analog input channel 0 to the input mux/PGA. Absolute range AVSS-0.1 V to AVDD+0.1 V (PGA disabled)."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply, 2.3 V to 5.5 V referenced to AVSS. Decouple with a 100-nF (or larger) capacitor to AVSS."
      },
      {
        "number": "11",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply, 2.3 V to 5.5 V referenced to DGND. Decouple with a 100-nF (or larger) capacitor to DGND."
      },
      {
        "number": "12",
        "name": "GPIO2/DRDY",
        "type": "bidirectional",
        "description": "General-purpose digital I/O 2, or active-low data-ready output (DRDY) when configured. Signal levels DGND to DVDD."
      },
      {
        "number": "13",
        "name": "TX",
        "type": "output",
        "description": "UART serial data output (8-N-1, up to 120 kBaud). Driven between DGND and DVDD."
      },
      {
        "number": "14",
        "name": "RX",
        "type": "input",
        "description": "UART serial data input (8-N-1, up to 120 kBaud, with auto-baud detection). Valid input range DGND to DVDD."
      },
      {
        "number": "15",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose digital input/output 1. Signal levels DGND to DVDD."
      },
      {
        "number": "16",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose digital input/output 0. Signal levels DGND to DVDD."
      },
      {
        "number": "PAD",
        "name": "PAD",
        "type": "power_in",
        "description": "Exposed thermal pad on the bottom of the WQFN package. Must be connected to AVSS for proper thermal and electrical operation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads112u04",
        "pages": null,
        "sha256": "6f8d0ff90a8f4ca9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads112u04irter.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads112u04irter-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "670bb4e0f367d2f7389045a82dc13f76415c2f34f4edbe1ce3832f1c99fa68d0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16-EP(3x3)",
      "Category": "Data Acquisition",
      "Pins": "17"
    }
  },
  "variants": [
    {
      "mpn": "ADS112U04IRTER",
      "kind": "packaging"
    },
    {
      "mpn": "ADS112U04IRTET",
      "kind": "unknown"
    },
    {
      "mpn": "ADS112U04IRTER.B",
      "kind": "packaging"
    },
    {
      "mpn": "ADS112U04IRTET.B",
      "kind": "unknown"
    },
    {
      "mpn": "ADS112U04IRTERIPW",
      "kind": "packaging"
    },
    {
      "mpn": "ADS112U04IRTERIPWR",
      "kind": "packaging"
    },
    {
      "mpn": "ADS112U04IRTERIPW.B",
      "kind": "packaging"
    },
    {
      "mpn": "ADS112U04IRTERIPWR.B",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ads112u04irter"
  ],
  "discovery_pitch": "ADS112U04IRTER (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",
    "ads112u04irter.kicad_sym",
    "ads112u04irter.kicad_mod",
    "ads112u04irter.glb",
    "ads112u04irter.step",
    "ads112u04irter.lbr",
    "docs/hero.png",
    "docs/ads112u04irter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:56:41.032Z"
}