ADS1219IRTER

{
  "slug": "ads1219irter",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads1219irter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1219irter.kicad_sym",
    "ads1219irter.kicad_mod",
    "ads1219irter.glb",
    "ads1219irter.step",
    "ads1219irter.lbr",
    "docs/hero.png",
    "docs/ads1219irter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1219irter-hero.glb",
    "ads1219irter-hero.overlay.json"
  ],
  "component": {
    "mpn": "ADS1219IRTER",
    "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/ads1219",
    "parts": {
      "symbol": "ads1219irter.kicad_sym",
      "footprint": "ads1219irter.kicad_mod",
      "model_3d": "ads1219irter-hero.glb",
      "model_3d_plain": "ads1219irter.glb",
      "model_3d_step": "ads1219irter-etched.step",
      "model_3d_step_plain": "ads1219irter.step",
      "lbr": "ads1219irter.lbr"
    },
    "distributor_links": {
      "lcsc": "C2670319",
      "digikey": "296-ADS1219IRTERTR-ND",
      "mouser": "595-ADS1219IRTER"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:38:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS1219IRTERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS1219IRTER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input; the datasheet specifies a recommended input range of DGND to DVDD, and it should be tied to DVDD if not used."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, with DGND to AGND limited to -0.1 V to 0.1 V under recommended operating conditions."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Negative analog power supply, which is the analog ground reference for AVDD (AVDD to AGND recommended 2.3 V to 5.5 V)."
      },
      {
        "number": "4",
        "name": "AIN3",
        "type": "input",
        "description": "Analog input 3, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."
      },
      {
        "number": "5",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input 2, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."
      },
      {
        "number": "6",
        "name": "REFN",
        "type": "input",
        "description": "Negative reference input, with absolute voltage limited to AGND - 0.1 V to V(REFP) - 0.75 V."
      },
      {
        "number": "7",
        "name": "REFP",
        "type": "input",
        "description": "Positive reference input, with absolute voltage limited to V(REFN) + 0.75 V to AVDD + 0.1 V."
      },
      {
        "number": "8",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."
      },
      {
        "number": "9",
        "name": "AIN0",
        "type": "input",
        "description": "Analog input 0, with absolute input voltage limited to AGND - 0.1 V to AVDD + 0.1 V for gain 1 and gain 4."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply, 2.3 V to 5.5 V relative to AGND; connect a 100-nF (or larger) capacitor to AGND."
      },
      {
        "number": "11",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply, 2.3 V to 5.5 V relative to DGND; connect a 100-nF (or larger) capacitor to DGND."
      },
      {
        "number": "12",
        "name": "DRDY",
        "type": "output",
        "description": "Active-low, open-drain data-ready output that must be connected to DVDD through a pullup resistor."
      },
      {
        "number": "13",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input and output for the I2C interface, which must be connected to DVDD through a pullup resistor."
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the I2C interface, which must be connected to DVDD through a pullup resistor; digital input range is DGND to 5.5 V when DVDD is 3.0 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "A0",
        "type": "input",
        "description": "I2C slave address select pin 0, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "A1",
        "type": "input",
        "description": "I2C slave address select pin 1, tied to DGND, DVDD, SDA, or SCL; digital input range is DGND to DVDD + 0.5 V for DVDD 2.3 V to 3.0 V and DGND to 5.5 V for DVDD 3.0 V to 5.5 V."
      },
      {
        "number": "17",
        "name": "Thermal pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The RTE (WQFN-16) pin table on page 3 also lists a 'Thermal pad' (Pad, connect to AGND). It has no p; The datasheet describes DRDY as an open-drain digital output, and I mapped it to KiCad 'output'. Che; The datasheet defines AGND and DGND as separate grounds with a recommended AGND-to-DGND difference o",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0947,
        "at": "2026-10-08T01:38:06"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1219",
        "pages": 57,
        "sha256": "d754cab7e1a8a12d",
        "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": "ads1219irter.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1219irter-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": "5d80f114abd4706976b2e7c57c6c1a6637424bcb6c01cad63dedd3aedfeaa61f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}