ADUM7440CRQZ

{
  "slug": "adum7440crqz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Digital Isolators, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "adum7440crqz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adum7440crqz.kicad_sym",
    "adum7440crqz.kicad_mod",
    "adum7440crqz.glb",
    "adum7440crqz.step",
    "adum7440crqz.lbr",
    "docs/hero.png",
    "docs/adum7440crqz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adum7440crqz-hero.glb",
    "adum7440crqz-hero.overlay.json",
    "adum7440crqz-etched.glb"
  ],
  "component": {
    "mpn": "ADUM7440CRQZ",
    "manufacturer": "Analog Devices",
    "package": "QSOP-16-150mil",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/adum7440_7441_7442.pdf",
    "parts": {
      "symbol": "adum7440crqz.kicad_sym",
      "footprint": "adum7440crqz.kicad_mod",
      "model_3d": "adum7440crqz-hero.glb",
      "model_3d_plain": "adum7440crqz-etched.glb",
      "model_3d_step": "adum7440crqz-etched.step",
      "model_3d_step_plain": "adum7440crqz.step",
      "lbr": "adum7440crqz.lbr"
    },
    "distributor_links": {
      "lcsc": "C208324",
      "digikey": "ADUM7440CRQZ-ND",
      "mouser": "584-ADUM7440CRQZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T04:18:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADUM7440CRQZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM7440CRQZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1A",
        "type": "power_in",
        "description": "Supply Voltage A for Isolator Side 1 (3.0 V to 5.5 V) that must be connected externally to Pin 7, with a 0.01 µF to 0.1 µF ceramic bypass capacitor between VDD1A and GND1 (Pin 2)."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground 1 is the ground reference for Isolator Side 1, and Pin 2 and Pin 8 are internally connected, so connecting both to GND1 is recommended."
      },
      {
        "number": "3",
        "name": "VIA",
        "type": "input",
        "description": "Logic Input A for channel A on the Side 1 input; the datasheet gives no further electrical limits for this pin in the pin function table."
      },
      {
        "number": "4",
        "name": "VIB",
        "type": "input",
        "description": "Logic Input B for channel B on the Side 1 input; the datasheet gives no further electrical limits for this pin in the pin function table."
      },
      {
        "number": "5",
        "name": "VIC",
        "type": "input",
        "description": "Logic Input C for channel C on the Side 1 input; the datasheet gives no further electrical limits for this pin in the pin function table."
      },
      {
        "number": "6",
        "name": "VID",
        "type": "input",
        "description": "Logic Input D for channel D on the Side 1 input; the datasheet gives no further electrical limits for this pin in the pin function table."
      },
      {
        "number": "7",
        "name": "VDD1B",
        "type": "power_in",
        "description": "Supply Voltage B for Isolator Side 1 (3.0 V to 5.5 V) that must be connected externally to Pin 1, with a 0.01 µF to 0.1 µF ceramic bypass capacitor between VDD1B and GND1 (Pin 8)."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground 1 is the ground reference for Isolator Side 1, and Pin 2 and Pin 8 are internally connected, so connecting both to GND1 is recommended."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground 2 is the ground reference for Isolator Side 2, and Pin 9 and Pin 15 are internally connected, so connecting both to GND2 is recommended."
      },
      {
        "number": "10",
        "name": "VDD2B",
        "type": "power_in",
        "description": "Supply Voltage B for Isolator Side 2 (3.0 V to 5.5 V) that must be connected externally to Pin 16, with a 0.01 µF to 0.1 µF ceramic bypass capacitor between VDD2B and GND2 (Pin 9)."
      },
      {
        "number": "11",
        "name": "VOD",
        "type": "output",
        "description": "Logic Output D on the Side 2 output; it is high-impedance when VDDO is unpowered and defaults high when the input side is unpowered."
      },
      {
        "number": "12",
        "name": "VOC",
        "type": "output",
        "description": "Logic Output C on the Side 2 output; it is high-impedance when VDDO is unpowered and defaults high when the input side is unpowered."
      },
      {
        "number": "13",
        "name": "VOB",
        "type": "output",
        "description": "Logic Output B on the Side 2 output; it is high-impedance when VDDO is unpowered and defaults high when the input side is unpowered."
      },
      {
        "number": "14",
        "name": "VOA",
        "type": "output",
        "description": "Logic Output A on the Side 2 output; it is high-impedance when VDDO is unpowered and defaults high when the input side is unpowered."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground 2 is the ground reference for Isolator Side 2, and Pin 9 and Pin 15 are internally connected, so connecting both to GND2 is recommended."
      },
      {
        "number": "16",
        "name": "VDD2A",
        "type": "power_in",
        "description": "Supply Voltage A for Isolator Side 2 (3.0 V to 5.5 V) that must be connected externally to Pin 10, with a 0.01 µF to 0.1 µF ceramic bypass capacitor between VDD2A and GND2 (Pin 15)."
      }
    ],
    "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 ADuM7440 pinout is taken from Table 20 (Pin Function Descriptions) on page 11. Figure 5, the pin; The ADuM7440CRQZ is listed in the ordering guide on page 19 as a 16-Lead QSOP (RQ-16), which matches; Net names repeat by design: GND1 appears on pins 2 and 8, and GND2 appears on pins 9 and 15. The dat"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0603,
        "at": "2026-10-30T04:18:18"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/adum7440_7441_7442.pdf",
        "pages": 20,
        "sha256": "1941e7b1b019a8b5",
        "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": "adum7440crqz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.42
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14e9adcd9b6d1d5b282a866123ac59b68abf20b62a41cc9cecabd5c819d8f17d",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adum7440crqz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.42
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "81963af3b06d8c7b15fddc76b310309ccaf2ea8091ff90b11c988262fb651a40",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RQ-16",
      "source_page": 19,
      "D": {
        "nom_mm": 4.902,
        "range_mm": [
          4.801,
          5.004
        ]
      },
      "E1": {
        "nom_mm": 3.899,
        "range_mm": [
          3.81,
          3.988
        ]
      },
      "E": {
        "nom_mm": 5.994,
        "range_mm": [
          5.791,
          6.198
        ]
      },
      "e": {
        "nom_mm": 0.635,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.346,
          1.753
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "adum7440crqz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}