AD7866BRUZ

{
  "slug": "ad7866bruz",
  "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",
    "ad7866bruz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7866bruz.kicad_sym",
    "ad7866bruz.kicad_mod",
    "ad7866bruz.glb",
    "ad7866bruz.step",
    "ad7866bruz.lbr",
    "docs/hero.png",
    "docs/ad7866bruz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7866bruz-hero.glb",
    "ad7866bruz-hero.overlay.json",
    "ad7866bruz-etched.glb"
  ],
  "component": {
    "mpn": "AD7866BRUZ",
    "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": "ad7866bruz.kicad_sym",
      "footprint": "ad7866bruz.kicad_mod",
      "model_3d": "ad7866bruz-hero.glb",
      "model_3d_plain": "ad7866bruz-etched.glb",
      "model_3d_step": "ad7866bruz-etched.step",
      "model_3d_step_plain": "ad7866bruz.step",
      "lbr": "ad7866bruz.lbr"
    },
    "distributor_links": {
      "lcsc": "C651815",
      "digikey": "AD7866BRUZ-ND",
      "mouser": "584-AD7866BRUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:10:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD7866BRUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7866BRUZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF SELECT",
        "type": "input",
        "description": "Logic input that selects the on-chip 2.5 V reference when tied to GND, or an external reference through VREF when tied to logic high."
      },
      {
        "number": "2",
        "name": "DCAPB",
        "type": "passive",
        "description": "Decoupling capacitor connection for the ADC B reference buffer, which can also take the on-chip reference out or input a separate external reference."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, which must not be more than 0.3 V from DGND even on a transient basis."
      },
      {
        "number": "4",
        "name": "VB2",
        "type": "input",
        "description": "Single-ended analog input channel 2 of ADC B, with an input range of 0 V to VREF or 2 x VREF set by RANGE at the falling edge of CS."
      },
      {
        "number": "5",
        "name": "VB1",
        "type": "input",
        "description": "Single-ended analog input channel 1 of ADC B, with an input range of 0 V to VREF or 2 x VREF set by RANGE at the falling edge of CS."
      },
      {
        "number": "6",
        "name": "VA2",
        "type": "input",
        "description": "Single-ended analog input channel 2 of ADC A, with an input range of 0 V to VREF or 2 x VREF set by RANGE at the falling edge of CS."
      },
      {
        "number": "7",
        "name": "VA1",
        "type": "input",
        "description": "Single-ended analog input channel 1 of ADC A, with an input range of 0 V to VREF or 2 x VREF set by RANGE at the falling edge of CS."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, which must not be more than 0.3 V from DGND even on a transient basis."
      },
      {
        "number": "9",
        "name": "DCAPA",
        "type": "passive",
        "description": "Decoupling capacitor connection for the ADC A reference buffer, which can also take the on-chip reference out or input a separate external reference."
      },
      {
        "number": "10",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference decoupling pin connected to the internal 2.5 V reference, which requires a decoupling capacitor and serves as the external reference input when REF SELECT is high."
      },
      {
        "number": "11",
        "name": "RANGE",
        "type": "input",
        "description": "Logic input sampled on the falling edge of CS that sets the input range (low for 0 V to VREF with straight binary, high for 2 x VREF with twos complement)."
      },
      {
        "number": "12",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage of 2.7 V to 5.25 V that must stay within 0.3 V of DVDD even on a transient basis."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage of 2.7 V to 5.25 V that must stay within 0.3 V of AVDD even on a transient basis."
      },
      {
        "number": "14",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for all digital circuitry, which must not be more than 0.3 V from AGND even on a transient basis."
      },
      {
        "number": "15",
        "name": "DOUTA",
        "type": "output",
        "description": "Serial data output for ADC A that clocks out on the falling edge of SCLK, MSB first, after one leading zero and three STATUS bits."
      },
      {
        "number": "16",
        "name": "DOUTB",
        "type": "output",
        "description": "Serial data output for ADC B that clocks out on the falling edge of SCLK, MSB first, after one leading zero and three STATUS bits."
      },
      {
        "number": "17",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic power supply input that sets the voltage level at which the digital interface operates and should be decoupled to DGND."
      },
      {
        "number": "18",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock logic input that clocks out the conversion data and sets the conversion rate."
      },
      {
        "number": "19",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select logic input that initiates conversions on its falling edge and frames the serial data transfer."
      },
      {
        "number": "20",
        "name": "A0",
        "type": "input",
        "description": "Multiplexer select logic input, sampled on the falling edge of CS, that chooses Channel 1 (low) or Channel 2 (high) of both ADCs for the next conversion."
      }
    ],
    "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 MPN is AD7866BRUZ, but the datasheet ordering guide lists AD7866BRU (TSSOP, package option RU-20"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0219,
        "at": "2026-10-28T16:10:16"
      },
      "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": "ad7866bruz.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad7866bruz-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": "de98f8b4ec8d7d5b817b281d1c09f13fd534137d50c1a487031623ff4bb0fa69",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}