AD7091R-5BCPZ

{
  "slug": "ad7091r-5bcpz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADCs), LFCSP-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ad7091r-5bcpz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad7091r-5bcpz.kicad_sym",
    "ad7091r-5bcpz.kicad_mod",
    "ad7091r-5bcpz.glb",
    "ad7091r-5bcpz.step",
    "ad7091r-5bcpz.lbr",
    "docs/hero.png",
    "docs/ad7091r-5bcpz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad7091r-5bcpz-hero.glb",
    "ad7091r-5bcpz-hero.overlay.json",
    "ad7091r-5bcpz-etched.glb"
  ],
  "component": {
    "mpn": "AD7091R-5BCPZ",
    "manufacturer": "Analog Devices",
    "package": "LFCSP-20(4x4)",
    "pin_count": 21,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-5.pdf",
    "parts": {
      "symbol": "ad7091r-5bcpz.kicad_sym",
      "footprint": "ad7091r-5bcpz.kicad_mod",
      "model_3d": "ad7091r-5bcpz-hero.glb",
      "model_3d_plain": "ad7091r-5bcpz-etched.glb",
      "model_3d_step": "ad7091r-5bcpz-etched.step",
      "model_3d_step_plain": "ad7091r-5bcpz.step",
      "lbr": "ad7091r-5bcpz.lbr"
    },
    "distributor_links": {
      "lcsc": "C650568",
      "digikey": "AD7091R-5BCPZ-ND",
      "mouser": "584-AD7091R-5BCPZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:10:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD7091R-5BCPZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD7091R-5BCPZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input with a range of 2.7 V to 5.25 V; decouple to GND."
      },
      {
        "number": "2",
        "name": "REGCAP",
        "type": "passive",
        "description": "Decoupling pin for the internal regulator output; decouple separately to GND with a 2.2 µF capacitor."
      },
      {
        "number": "3",
        "name": "REFIN/REFOUT",
        "type": "bidirectional",
        "description": "2.5 V internal reference output or external reference input (1.0 V to VDD); decouple to GND, typically with 2.2 µF."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin, ground reference for all circuitry on the device."
      },
      {
        "number": "5",
        "name": "MUXOUT",
        "type": "output",
        "description": "Multiplexer output; tie directly to ADCIN if no external filtering or buffering is required, otherwise via a conditioning network."
      },
      {
        "number": "6",
        "name": "VIN0",
        "type": "input",
        "description": "Single-ended analog input for Channel 0 with an input range of 0 V to VREF."
      },
      {
        "number": "7",
        "name": "VIN2",
        "type": "input",
        "description": "Single-ended analog input for Channel 2 with an input range of 0 V to VREF."
      },
      {
        "number": "8",
        "name": "ALERT/BUSY/GPO0",
        "type": "output",
        "description": "Configuration-register selected open-drain output for ALERT (conversion result outside limits), BUSY (conversion in progress) or general-purpose output 0; needs external pull-up to VDRIVE."
      },
      {
        "number": "9",
        "name": "GPO2",
        "type": "output",
        "description": "General-purpose digital output 2."
      },
      {
        "number": "10",
        "name": "VIN3",
        "type": "input",
        "description": "Single-ended analog input for Channel 3 with an input range of 0 V to VREF."
      },
      {
        "number": "11",
        "name": "VIN1",
        "type": "input",
        "description": "Single-ended analog input for Channel 1 with an input range of 0 V to VREF."
      },
      {
        "number": "12",
        "name": "ADCIN",
        "type": "input",
        "description": "Direct ADC input; tie directly to MUXOUT if no external filtering or buffering is required, otherwise connect to the conditioning network."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin, ground reference for all circuitry on the device."
      },
      {
        "number": "14",
        "name": "AS1",
        "type": "input",
        "description": "I2C address bit 1; together with AS0 selects the device I2C address."
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input/output, open-drain output that requires a pull-up resistor."
      },
      {
        "number": "16",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input requiring a pull-up resistor, compatible with 100 kHz standard and 400 kHz fast modes."
      },
      {
        "number": "17",
        "name": "CONVST/GPO1",
        "type": "bidirectional",
        "description": "Edge-triggered convert start input (falling edge initiates a conversion) or, in command or autocycle mode, general-purpose digital output 1."
      },
      {
        "number": "18",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic power supply input of 1.8 V to 5.25 V setting the interface voltage, must not exceed VDD by more than 0.3 V; decouple with 10 µF and 0.1 µF to GND."
      },
      {
        "number": "19",
        "name": "AS0",
        "type": "input",
        "description": "I2C address bit 0; together with AS1 selects the device I2C address."
      },
      {
        "number": "20",
        "name": "RESET",
        "type": "input",
        "description": "Logic input that resets the device when pulled low."
      },
      {
        "number": "21",
        "name": "EPAD",
        "type": "passive",
        "description": "Exposed pad, not connected internally; recommended to be soldered to GND."
      }
    ],
    "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: Datasheet lists the exposed pad as pin 21 (EPAD) in the LFCSP column; pin types for REGCAP, REFIN/RE"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1732,
        "at": "2026-10-30T21:10:52"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-5.pdf",
        "pages": 34,
        "sha256": "09f7dfadd6f825a3",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ad7091r-5bcpz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad7091r-5bcpz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "517074c2b00c75358e008ce48af223728b73c32f1362e985e103ec720ffdd5a6",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "CP-20-10",
      "source_page": 34,
      "D": {
        "nom_mm": 4.0,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          0.7,
          0.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ad7091r-5bcpz.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}