ADUM3151ARSZ

{
  "slug": "adum3151arsz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Digital Isolators, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "adum3151arsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adum3151arsz.kicad_sym",
    "adum3151arsz.kicad_mod",
    "adum3151arsz.glb",
    "adum3151arsz.step",
    "adum3151arsz.lbr",
    "docs/hero.png",
    "docs/adum3151arsz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adum3151arsz-hero.glb",
    "adum3151arsz-hero.overlay.json",
    "adum3151arsz-etched.glb"
  ],
  "component": {
    "mpn": "ADUM3151ARSZ",
    "manufacturer": "Analog Devices",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Interface ICs",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3151_3152_3153.pdf",
    "parts": {
      "symbol": "adum3151arsz.kicad_sym",
      "footprint": "adum3151arsz.kicad_mod",
      "model_3d": "adum3151arsz-hero.glb",
      "model_3d_plain": "adum3151arsz-etched.glb",
      "model_3d_step": "adum3151arsz-etched.step",
      "model_3d_step_plain": "adum3151arsz.step",
      "lbr": "adum3151arsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C660733",
      "digikey": "505-ADUM3151ARSZ-ND",
      "mouser": "584-ADUM3151ARSZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:40:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADUM3151ARSZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM3151ARSZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Power supply for Side 1; a bypass capacitor from VDD1 to GND1 to local ground is required."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground 1, the ground reference for isolator Side 1."
      },
      {
        "number": "3",
        "name": "MCLK",
        "type": "input",
        "description": "SPI clock from the main controller."
      },
      {
        "number": "4",
        "name": "MO",
        "type": "input",
        "description": "SPI data from the main MO/SI line."
      },
      {
        "number": "5",
        "name": "MI",
        "type": "output",
        "description": "SPI data from the subordinate to the main MI/SO line."
      },
      {
        "number": "6",
        "name": "MSS",
        "type": "input",
        "description": "Subordinate select from the main, active low logic; requires a 10 ns setup time from the next clock or data edge."
      },
      {
        "number": "7",
        "name": "VIA",
        "type": "input",
        "description": "Low speed data input A."
      },
      {
        "number": "8",
        "name": "VIB",
        "type": "input",
        "description": "Low speed data input B."
      },
      {
        "number": "9",
        "name": "VOC",
        "type": "output",
        "description": "Low speed data output C."
      },
      {
        "number": "10",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground 1, the ground reference for isolator Side 1."
      },
      {
        "number": "11",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground 2, the ground reference for isolator Side 2."
      },
      {
        "number": "12",
        "name": "VIC",
        "type": "input",
        "description": "Low speed data input C."
      },
      {
        "number": "13",
        "name": "VOB",
        "type": "output",
        "description": "Low speed data output B."
      },
      {
        "number": "14",
        "name": "VOA",
        "type": "output",
        "description": "Low speed data output A."
      },
      {
        "number": "15",
        "name": "SSS",
        "type": "output",
        "description": "Subordinate select to the subordinate, active low logic."
      },
      {
        "number": "16",
        "name": "SO",
        "type": "input",
        "description": "SPI data from the subordinate to the main MI/SO line."
      },
      {
        "number": "17",
        "name": "SI",
        "type": "output",
        "description": "SPI data from the main to the subordinate MO/SI line."
      },
      {
        "number": "18",
        "name": "SCLK",
        "type": "output",
        "description": "SPI clock from the main controller."
      },
      {
        "number": "19",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground 2, the ground reference for isolator Side 2."
      },
      {
        "number": "20",
        "name": "VDD2",
        "type": "power_in",
        "description": "Power supply for Side 2; a bypass capacitor from VDD2 to GND2 to local ground is required."
      }
    ],
    "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: MPN ADUM3151ARSZ is the ADuM3151 A-grade variant in the 20-lead RS-20 SSOP. The pinout is taken from"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0207,
        "at": "2026-10-30T22:40:08"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3151_3152_3153.pdf",
        "pages": 21,
        "sha256": "6f3bafe860033f24",
        "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": "adum3151arsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adum3151arsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "732a03a09e4956a3fb8ca6fdf70209b4cbe6ac81997722076977bc8b99d1f658",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}