AD7747ARUZ

{
  "slug": "ad7747aruz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices ADC/DAC - Specialized, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ad7747aruz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7747aruz.kicad_sym",
    "ad7747aruz.kicad_mod",
    "ad7747aruz.glb",
    "ad7747aruz.step",
    "ad7747aruz.lbr",
    "docs/hero.png",
    "docs/ad7747aruz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7747aruz-hero.glb",
    "ad7747aruz-hero.overlay.json",
    "ad7747aruz-etched.glb"
  ],
  "component": {
    "mpn": "AD7747ARUZ",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "ADC/DAC - Specialized",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7747.pdf",
    "parts": {
      "symbol": "ad7747aruz.kicad_sym",
      "footprint": "ad7747aruz.kicad_mod",
      "model_3d": "ad7747aruz-hero.glb",
      "model_3d_plain": "ad7747aruz-etched.glb",
      "model_3d_step": "ad7747aruz-etched.step",
      "model_3d_step_plain": "ad7747aruz.step",
      "lbr": "ad7747aruz.lbr"
    },
    "distributor_links": {
      "lcsc": "C578507",
      "digikey": "505-AD7747ARUZ-ND",
      "mouser": "584-AD7747ARUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T20:05:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-AD7747ARUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7747ARUZ",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial interface clock input that connects to the master clock line and requires a pull-up resistor if one is not already provided in the system."
      },
      {
        "number": "2",
        "name": "RDY",
        "type": "output",
        "description": "Logic output whose falling edge indicates that a conversion on the enabled channel(s) has finished and new data is available; leave as an open circuit if not used."
      },
      {
        "number": "3",
        "name": "SHLD",
        "type": "passive",
        "description": "Capacitive input for active AC shielding, used to shield the sensor connection and eliminate CIN parasitic capacitance to ground; leave as an open circuit if not used."
      },
      {
        "number": "4",
        "name": "TST",
        "type": "unconnected",
        "description": "Test pin that must be left as an open circuit for proper operation."
      },
      {
        "number": "5",
        "name": "REFIN(+)",
        "type": "input",
        "description": "Positive differential voltage reference input for the voltage channel (ADC); not used for CDC conversion, and if unused it can be left open or connected to GND."
      },
      {
        "number": "6",
        "name": "REFIN(-)",
        "type": "input",
        "description": "Negative differential voltage reference input for the voltage channel (ADC); not used for CDC conversion, and if unused it can be left open or connected to GND."
      },
      {
        "number": "7",
        "name": "CIN1(-)",
        "type": "passive",
        "description": "CDC negative capacitive input; the measured capacitance is connected between CIN1(-) and GND, and the pin should be left open if not used."
      },
      {
        "number": "8",
        "name": "CIN1(+)",
        "type": "passive",
        "description": "CDC positive capacitive input; the measured capacitance is connected between CIN1(+) and GND, and the pin should be left open if not used."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; this pin should be left as an open circuit."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; this pin should be left as an open circuit."
      },
      {
        "number": "11",
        "name": "VIN(+)",
        "type": "power_in",
        "description": "Positive differential voltage input for the voltage channel (ADC), also used to connect an external temperature sensing diode; if not used it can be left open or connected to GND."
      },
      {
        "number": "12",
        "name": "VIN(-)",
        "type": "power_in",
        "description": "Negative differential voltage input for the voltage channel (ADC), also used to connect an external temperature sensing diode; if not used it can be left open or connected to GND."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply voltage pin that should be decoupled to GND with a low impedance capacitor, for example a 10 µF tantalum in combination with a 0.1 µF multilayer ceramic."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; this pin should be left as an open circuit."
      },
      {
        "number": "16",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial interface bidirectional data pin that connects to the master data line and requires a pull-up resistor if not provided elsewhere in the system."
      }
    ],
    "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 datasheet describes SHLD only as 'Capacitive Input Active AC Shielding' with no explicit electri; CIN1(+)/CIN1(-) are typed as passive because the datasheet gives no explicit ERC class; confirm agai; SCL is typed as input (serial clock input per Table 4); the datasheet does not state a bidirectional"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0484,
        "at": "2026-10-30T20:04:20"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7747.pdf",
        "pages": 28,
        "sha256": "4d73ef988f6cb324",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ad7747aruz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad7747aruz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b120ec0336d9740ee0b564849851c9c6369fe6f5f5a58834a22c2c82add52b81",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RU-16",
      "source_page": 27,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ad7747aruz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}