ADS7028IRTER

{
  "slug": "ads7028irter",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADCs), WQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ads7028irter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads7028irter.kicad_sym",
    "ads7028irter.kicad_mod",
    "ads7028irter.glb",
    "ads7028irter.step",
    "ads7028irter.lbr",
    "docs/hero.png",
    "docs/ads7028irter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads7028irter-hero.glb",
    "ads7028irter-hero.overlay.json",
    "ads7028irter-etched.glb"
  ],
  "component": {
    "mpn": "ADS7028IRTER",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16(3x3)",
    "pin_count": 17,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads7028.pdf",
    "parts": {
      "symbol": "ads7028irter.kicad_sym",
      "footprint": "ads7028irter.kicad_mod",
      "model_3d": "ads7028irter-hero.glb",
      "model_3d_plain": "ads7028irter-etched.glb",
      "model_3d_step": "ads7028irter-etched.step",
      "model_3d_step_plain": "ads7028irter.step",
      "lbr": "ads7028irter.lbr"
    },
    "distributor_links": {
      "lcsc": "C880341",
      "digikey": "296-ADS7028IRTERTR-ND",
      "mouser": "595-ADS7028IRTER"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T20:55:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS7028IRTERTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ADS7028IRTER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AIN2/GPIO2",
        "type": "bidirectional",
        "description": "Channel 2 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "2",
        "name": "AIN3/GPIO3",
        "type": "bidirectional",
        "description": "Channel 3 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "3",
        "name": "AIN4/GPIO4",
        "type": "bidirectional",
        "description": "Channel 4 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "4",
        "name": "AIN5/GPIO5",
        "type": "bidirectional",
        "description": "Channel 5 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "5",
        "name": "AIN6/GPIO6",
        "type": "bidirectional",
        "description": "Channel 6 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "6",
        "name": "AIN7/GPIO7",
        "type": "bidirectional",
        "description": "Channel 7 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "7",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply input, also used as the reference voltage to the ADC; connect a 1-µF decoupling capacitor to GND."
      },
      {
        "number": "8",
        "name": "DECAP",
        "type": "power_out",
        "description": "Connect a 1-µF decoupling capacitor to GND for the internal power supply."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for the power supply; all analog and digital signals are referred to this pin voltage."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital I/O supply voltage; connect a 1-µF decoupling capacitor to GND."
      },
      {
        "number": "11",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip-select input; the device takes control of the data bus when CS is low, starts converting the active input channel on the rising edge of CS, and SDO goes hi-Z when CS is high."
      },
      {
        "number": "12",
        "name": "SDO",
        "type": "output",
        "description": "Serial data out for the device."
      },
      {
        "number": "13",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock for the SPI interface."
      },
      {
        "number": "14",
        "name": "SDI",
        "type": "input",
        "description": "Serial data in for the device."
      },
      {
        "number": "15",
        "name": "AIN0/GPIO0",
        "type": "bidirectional",
        "description": "Channel 0 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "number": "16",
        "name": "AIN1/GPIO1",
        "type": "bidirectional",
        "description": "Channel 1 can be configured as either an analog input (default), digital input, or digital output."
      },
      {
        "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 exposed thermal pad is listed in the pin table (page 4) as 'Thermal pad', connect to GND, but th; The datasheet gives only the function 'Supply' for DECAP. Its type power_out is inferred from it bei; KiCad type for the eight AIN/GPIO pins is my choice (bidirectional) because each can be an analog in",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0598,
        "at": "2026-10-28T20:54:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads7028.pdf",
        "pages": 86,
        "sha256": "794590931f11f1ca",
        "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": "ads7028irter.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads7028irter-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": "53566345df6d3939e65c8c542c64eb92c3d126d0a73321e20ad98ec93f747944",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RTE0016C",
      "source_page": 79,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.8,
        "range_mm": [
          null,
          0.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ads7028irter.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}