ADUM3150ARSZ

{
  "slug": "adum3150arsz",
  "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",
    "communication interface chip-uart-485-232",
    "adum3150arsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adum3150arsz.kicad_sym",
    "adum3150arsz.kicad_mod",
    "adum3150arsz.glb",
    "adum3150arsz.step",
    "adum3150arsz.lbr",
    "docs/hero.png",
    "docs/adum3150arsz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adum3150arsz-hero.glb",
    "adum3150arsz-hero.overlay.json",
    "adum3150arsz-etched.glb"
  ],
  "component": {
    "mpn": "ADUM3150ARSZ",
    "manufacturer": "Analog Devices",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3150.pdf",
    "parts": {
      "symbol": "adum3150arsz.kicad_sym",
      "footprint": "adum3150arsz.kicad_mod",
      "model_3d": "adum3150arsz-hero.glb",
      "model_3d_plain": "adum3150arsz-etched.glb",
      "model_3d_step": "adum3150arsz-etched.step",
      "model_3d_step_plain": "adum3150arsz.step",
      "lbr": "adum3150arsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C660730",
      "digikey": "505-ADUM3150ARSZ-ND",
      "mouser": "584-ADUM3150ARSZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:26:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADUM3150ARSZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM3150ARSZ",
        "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 reference for isolator Side 1 (Ground 1)."
      },
      {
        "number": "3",
        "name": "MCLK",
        "type": "input",
        "description": "SPI clock input from the main controller."
      },
      {
        "number": "4",
        "name": "MO",
        "type": "input",
        "description": "SPI data input from the main MO/SI line."
      },
      {
        "number": "5",
        "name": "MI",
        "type": "output",
        "description": "SPI data output from the subordinate to the main MI/SO line."
      },
      {
        "number": "6",
        "name": "MSS",
        "type": "input",
        "description": "Active-low subordinate select input from the main; may require as much as 10 ns setup time from the next clock or data edge, depending on speed grade."
      },
      {
        "number": "7",
        "name": "VIA",
        "type": "input",
        "description": "Low speed data input A."
      },
      {
        "number": "8",
        "name": "VOB",
        "type": "output",
        "description": "Low speed data output B."
      },
      {
        "number": "9",
        "name": "DCLK",
        "type": "output",
        "description": "Delayed clock output providing a delayed copy of MCLK."
      },
      {
        "number": "10",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground reference for isolator Side 1 (Ground 1)."
      },
      {
        "number": "11",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for isolator Side 2 (Ground 2)."
      },
      {
        "number": "12",
        "name": "NIC",
        "type": "unconnected",
        "description": "No internal connection; not internally connected and serves no function in the ADuM3150."
      },
      {
        "number": "13",
        "name": "VIB",
        "type": "input",
        "description": "Low speed data input B."
      },
      {
        "number": "14",
        "name": "VOA",
        "type": "output",
        "description": "Low speed data output A."
      },
      {
        "number": "15",
        "name": "SSS",
        "type": "output",
        "description": "Active-low subordinate select output to the subordinate."
      },
      {
        "number": "16",
        "name": "SO",
        "type": "input",
        "description": "SPI data input from the subordinate to the main MI/SO line."
      },
      {
        "number": "17",
        "name": "SI",
        "type": "output",
        "description": "SPI data output from the main to the subordinate MO/SI line."
      },
      {
        "number": "18",
        "name": "SCLK",
        "type": "output",
        "description": "SPI clock output from the main controller."
      },
      {
        "number": "19",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for isolator Side 2 (Ground 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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin Configuration figure (Figure 3) is not available in the text; pin data taken from Table 17. Pin "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0826,
        "at": "2026-10-31T09:25:58"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3150.pdf",
        "pages": 21,
        "sha256": "ff06825b7c55df86",
        "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": [
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        "file": "adum3150arsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adum3150arsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "a74ba5d079f9fb09e65266b10a69c383ba112cc4c776b9d5c51da71f5b32afe1",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}