AD7866ARUZ

{
  "slug": "ad7866aruz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data converters",
    "ad7866aruz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7866aruz.kicad_sym",
    "ad7866aruz.kicad_mod",
    "ad7866aruz.glb",
    "ad7866aruz.step",
    "ad7866aruz.lbr",
    "docs/hero.png",
    "docs/ad7866aruz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7866aruz-hero.glb",
    "ad7866aruz-hero.overlay.json",
    "ad7866aruz-etched.glb"
  ],
  "component": {
    "mpn": "AD7866ARUZ",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Data Converters",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7866.pdf",
    "parts": {
      "symbol": "ad7866aruz.kicad_sym",
      "footprint": "ad7866aruz.kicad_mod",
      "model_3d": "ad7866aruz-hero.glb",
      "model_3d_plain": "ad7866aruz-etched.glb",
      "model_3d_step": "ad7866aruz-etched.step",
      "model_3d_step_plain": "ad7866aruz.step",
      "lbr": "ad7866aruz.lbr"
    },
    "distributor_links": {
      "lcsc": "C651812",
      "digikey": "AD7866ARUZ-ND",
      "mouser": "584-AD7866ARUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:10:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD7866ARUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7866ARUZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF SELECT",
        "type": "input",
        "description": "Logic input selecting internal or external reference: tied to GND uses the on-chip 2.5 V reference for both ADCs, tied high allows an external reference through VREF."
      },
      {
        "number": "2",
        "name": "DCAPB",
        "type": "passive",
        "description": "Decoupling capacitor connection for the ADC B reference buffer; the on-chip reference can be taken from it or a separate external reference applied depending on REF SELECT and VREF configuration."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, to be connected to the system AGND plane and kept within 0.3 V of DGND."
      },
      {
        "number": "4",
        "name": "VB2",
        "type": "input",
        "description": "Single-ended analog input channel 2 of ADC B, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
      },
      {
        "number": "5",
        "name": "VB1",
        "type": "input",
        "description": "Single-ended analog input channel 1 of ADC B, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
      },
      {
        "number": "6",
        "name": "VA2",
        "type": "input",
        "description": "Single-ended analog input channel 2 of ADC A, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
      },
      {
        "number": "7",
        "name": "VA1",
        "type": "input",
        "description": "Single-ended analog input channel 1 of ADC A, with 0 V to VREF or 2 x VREF range depending on the RANGE pin at the falling edge of CS."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, to be connected to the system AGND plane and kept within 0.3 V of DGND."
      },
      {
        "number": "9",
        "name": "DCAPA",
        "type": "passive",
        "description": "Decoupling capacitor connection for the ADC A reference buffer; the on-chip reference can be taken from it or a separate external reference applied depending on REF SELECT and VREF configuration."
      },
      {
        "number": "10",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference decoupling and external reference selection pin, connected to the internal 2.5 V nominal reference and requiring a decoupling capacitor."
      },
      {
        "number": "11",
        "name": "RANGE",
        "type": "input",
        "description": "Logic input selecting analog input range and output coding, checked at the falling edge of CS: low gives 0 V to VREF with straight binary, high gives 2 x VREF with twos complement."
      },
      {
        "number": "12",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, 2.7 V to 5.25 V, within 0.3 V of DVDD and decoupled to AGND."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.7 V to 5.25 V, within 0.3 V of AVDD and decoupled to DGND."
      },
      {
        "number": "14",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for all digital circuitry, within 0.3 V of AGND."
      },
      {
        "number": "15",
        "name": "DOUTA",
        "type": "output",
        "description": "Serial data output for ADC A, clocked out MSB first on the falling edge of SCLK with one leading zero, three status bits and 12 data bits."
      },
      {
        "number": "16",
        "name": "DOUTB",
        "type": "output",
        "description": "Serial data output for ADC B, clocked out MSB first on the falling edge of SCLK with one leading zero, three status bits and 12 data bits."
      },
      {
        "number": "17",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic power supply input that sets the interface operating voltage, to be decoupled to DGND."
      },
      {
        "number": "18",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock logic input for accessing data and also the clock source for the conversion process."
      },
      {
        "number": "19",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select input that initiates conversions and frames the serial data transfer."
      },
      {
        "number": "20",
        "name": "A0",
        "type": "input",
        "description": "Multiplexer select logic input checked at the falling edge of CS: low selects Channel 1 of each ADC, high selects Channel 2."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Ordering guide lists AD7866ARU (RU-20 TSSOP); the MPN suffix 'Z' (lead-free) is not listed in the pr"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1155,
        "at": "2026-10-30T21:10:18"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7866.pdf",
        "pages": 24,
        "sha256": "97330acd060d2794",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ad7866aruz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad7866aruz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4119bfef5f6bdff2c2dce716c9b74885b9660e5215e34228ecbf0bc24210c2ed",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RU-20",
      "source_page": 22,
      "D": {
        "nom_mm": 6.5,
        "range_mm": [
          6.4,
          6.6
        ]
      },
      "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": "ad7866aruz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}