ADS1220IRVAT

{
  "slug": "ads1220irvat",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-16-EP(3.6x3.6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads1220irvat",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1220irvat.kicad_sym",
    "ads1220irvat.kicad_mod",
    "ads1220irvat.glb",
    "ads1220irvat.step",
    "ads1220irvat.lbr",
    "docs/hero.png",
    "docs/ads1220irvat-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1220irvat-hero.glb",
    "ads1220irvat-hero.overlay.json",
    "ads1220irvat-etched.glb"
  ],
  "component": {
    "mpn": "ADS1220IRVAT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-16-EP(3.6x3.6)",
    "pin_count": 17,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads1220.pdf",
    "parts": {
      "symbol": "ads1220irvat.kicad_sym",
      "footprint": "ads1220irvat.kicad_mod",
      "model_3d": "ads1220irvat-hero.glb",
      "model_3d_plain": "ads1220irvat-etched.glb",
      "model_3d_step": "ads1220irvat-etched.step",
      "model_3d_step_plain": "ads1220irvat.step",
      "lbr": "ads1220irvat.lbr"
    },
    "distributor_links": {
      "lcsc": "C701622",
      "digikey": "296-37802-2-ND",
      "mouser": "595-ADS1220IRVAT"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T00:32:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37802-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS1220IRVAT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLK",
        "type": "input",
        "description": "External clock source pin; connect to DGND if not used."
      },
      {
        "number": "2",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "3",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply."
      },
      {
        "number": "4",
        "name": "AIN3/REFN1",
        "type": "input",
        "description": "Analog input 3 and negative reference input 1; an internal low-side power switch is connected between this pin and AVSS."
      },
      {
        "number": "5",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input 2; absolute voltage limits are AVSS - 0.3 V to AVDD + 0.3 V."
      },
      {
        "number": "6",
        "name": "REFN0",
        "type": "input",
        "description": "Negative reference input 0."
      },
      {
        "number": "7",
        "name": "REFP0",
        "type": "input",
        "description": "Positive reference input 0."
      },
      {
        "number": "8",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1; absolute voltage limits are AVSS - 0.3 V to AVDD + 0.3 V."
      },
      {
        "number": "9",
        "name": "AIN0/REFP1",
        "type": "input",
        "description": "Analog input 0 and positive reference input 1; absolute voltage limits are AVSS - 0.3 V to AVDD + 0.3 V."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply; connect a 100 nF (or larger) capacitor to AVSS."
      },
      {
        "number": "11",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply; connect a 100 nF (or larger) capacitor to DGND."
      },
      {
        "number": "12",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready, active low; leave unconnected or tie to DVDD using a weak pull-up resistor if not used."
      },
      {
        "number": "13",
        "name": "DOUT/DRDY",
        "type": "output",
        "description": "Serial data output combined with data ready; active low."
      },
      {
        "number": "14",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input."
      },
      {
        "number": "15",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input."
      },
      {
        "number": "16",
        "name": "CS",
        "type": "input",
        "description": "Chip select, active low; connect to DGND if not used."
      },
      {
        "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 thermal pad is listed in Table 5-1 as a pad with no pin number (datasheet: 'Do not connect or on; The package hint says VQFN-16-EP(3.6x3.6). The datasheet gives the RVA VQFN-16 package as 3.5 mm x 3; The Layout Example figure on page 66 uses a different pin numbering (e.g., REFP0 = 9, SCLK = 1). Tha",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0663,
        "at": "2026-11-07T00:32:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads1220.pdf",
        "pages": 78,
        "sha256": "218e25810febc1d7",
        "source_tier": "mfr"
      },
      "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": "ads1220irvat.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3d89f579d448b8aebfd685bceab354ba1bbec331133b3e485dce310c3f210da7",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1220irvat-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fd3513caa7400ce822a237acc6809bd7ea5d1ee939ae002736e3feaf3a7c1494",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}