AD7918BRUZ

{
  "slug": "ad7918bruz",
  "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",
    "ad7918bruz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7918bruz.kicad_sym",
    "ad7918bruz.kicad_mod",
    "ad7918bruz.glb",
    "ad7918bruz.step",
    "ad7918bruz.lbr",
    "docs/hero.png",
    "docs/ad7918bruz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7918bruz-hero.glb",
    "ad7918bruz-hero.overlay.json",
    "ad7918bruz-etched.glb"
  ],
  "component": {
    "mpn": "AD7918BRUZ",
    "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/AD7908_7918_7928.pdf",
    "parts": {
      "symbol": "ad7918bruz.kicad_sym",
      "footprint": "ad7918bruz.kicad_mod",
      "model_3d": "ad7918bruz-hero.glb",
      "model_3d_plain": "ad7918bruz-etched.glb",
      "model_3d_step": "ad7918bruz-etched.step",
      "model_3d_step_plain": "ad7918bruz.step",
      "lbr": "ad7918bruz.lbr"
    },
    "distributor_links": {
      "lcsc": "C652022",
      "digikey": "AD7918BRUZ-ND",
      "mouser": "584-AD7918BRUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:51:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD7918BRUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7918BRUZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock logic input that clocks data out of the part and serves as the clock source for the conversion process."
      },
      {
        "number": "2",
        "name": "DIN",
        "type": "input",
        "description": "Data in logic input; control register data is clocked in on the falling edge of SCLK."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select that initiates conversions and frames the serial data transfer."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, analog inputs and external reference; all AGND pins must be connected together."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply input, 2.7 V to 5.25 V (4.75 V to 5.25 V for the 0 V to 2 × REFIN range)."
      },
      {
        "number": "6",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply input, 2.7 V to 5.25 V (4.75 V to 5.25 V for the 0 V to 2 × REFIN range)."
      },
      {
        "number": "7",
        "name": "REFIN",
        "type": "input",
        "description": "External reference input that must be applied, 2.5 V ± 1% for specified performance."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, analog inputs and external reference; all AGND pins must be connected together."
      },
      {
        "number": "9",
        "name": "VIN7",
        "type": "input",
        "description": "Single-ended analog input channel 7, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "10",
        "name": "VIN6",
        "type": "input",
        "description": "Single-ended analog input channel 6, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "11",
        "name": "VIN5",
        "type": "input",
        "description": "Single-ended analog input channel 5, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "12",
        "name": "VIN4",
        "type": "input",
        "description": "Single-ended analog input channel 4, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "13",
        "name": "VIN3",
        "type": "input",
        "description": "Single-ended analog input channel 3, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "14",
        "name": "VIN2",
        "type": "input",
        "description": "Single-ended analog input channel 2, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "15",
        "name": "VIN1",
        "type": "input",
        "description": "Single-ended analog input channel 1, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "16",
        "name": "VIN0",
        "type": "input",
        "description": "Single-ended analog input channel 0, range 0 V to REFIN or 0 V to 2 × REFIN per RANGE bit; connect to AGND if unused."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, analog inputs and external reference; all AGND pins must be connected together."
      },
      {
        "number": "18",
        "name": "DOUT",
        "type": "output",
        "description": "Serial data output, MSB first, clocked out on the falling edge of SCLK; for the AD7918 it is one leading zero, three channel address bits, 10 conversion bits and two trailing zeros."
      },
      {
        "number": "19",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic power supply input that sets the voltage at which the serial interface operates."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference for all analog circuitry, analog inputs and external reference; all AGND pins must be connected together."
      }
    ],
    "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: The pin-configuration figure text is garbled (SCLK appears next to pin 20 in the extracted figure). ; The datasheet does not state pin types. I assigned them from the pin functions. Pin numbers 9 to 16 "
        ],
        "pages_sent": 7,
        "cost_usd": 0.1222,
        "at": "2026-10-30T11:51:45"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7908_7918_7928.pdf",
        "pages": 28,
        "sha256": "8d3a9b226094694a",
        "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": "ad7918bruz.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": "ad7918bruz-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": "bf0770b459b55ce47c1aac6a1f880a90fd22dd9300862aac4d1935eb4abb4620",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RU-20",
      "source_page": 28,
      "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": "ad7918bruz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}