main
Ray Set visibility: public f4d261d 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "adum142d1brz",
  "title": "ADUM142D1BRZ",
  "brief": "Analog Devices Digital Isolators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "communication interface chip-uart-485-232",
    "adum142d1brz",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ADUM142D1BRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM140D_140E_141D_141E_142D_142E.pdf",
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      "model_3d_plain": "adum142d1brz-etched.glb",
      "model_3d_step": "adum142d1brz-etched.step",
      "model_3d_step_plain": "adum142d1brz.step",
      "lbr": "adum142d1brz.lbr"
    },
    "distributor_links": {
      "lcsc": "C660446",
      "digikey": "ADUM142D1BRZ-ND",
      "mouser": "584-ADUM142D1BRZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:02:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADUM142D1BRZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM142D1BRZ",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Supply voltage for isolator side 1; the datasheet recommends a 0.01 µF to 0.1 µF bypass capacitor between Pin 1 and Pin 2."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground reference for isolator side 1."
      },
      {
        "number": "3",
        "name": "VIA",
        "type": "input",
        "description": "Logic input A (side 1)."
      },
      {
        "number": "4",
        "name": "VIB",
        "type": "input",
        "description": "Logic input B (side 1)."
      },
      {
        "number": "5",
        "name": "VOC",
        "type": "output",
        "description": "Logic output C (side 2); disabled to high-Z when VE1 is low."
      },
      {
        "number": "6",
        "name": "VOD",
        "type": "output",
        "description": "Logic output D (side 2); disabled to high-Z when VE1 is low."
      },
      {
        "number": "7",
        "name": "DISABLE1",
        "type": "input",
        "description": "Input disable 1; disables the isolator inputs, and outputs take the logic state set by the fail-safe option in the Ordering Guide."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground reference for isolator side 1."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for isolator side 2."
      },
      {
        "number": "10",
        "name": "DISABLE2",
        "type": "input",
        "description": "Input disable 2; disables the isolator inputs, and outputs take the logic state set by the fail-safe option in the Ordering Guide."
      },
      {
        "number": "11",
        "name": "VID",
        "type": "input",
        "description": "Logic input D (side 2)."
      },
      {
        "number": "12",
        "name": "VIC",
        "type": "input",
        "description": "Logic input C (side 2)."
      },
      {
        "number": "13",
        "name": "VOB",
        "type": "output",
        "description": "Logic output B (side 2); disabled to high-Z when VE2 is low."
      },
      {
        "number": "14",
        "name": "VOA",
        "type": "output",
        "description": "Logic output A (side 2); disabled to high-Z when VE2 is low."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for isolator side 2."
      },
      {
        "number": "16",
        "name": "VDD2",
        "type": "power_in",
        "description": "Supply voltage for isolator side 2; the datasheet recommends a 0.01 µF to 0.1 µF bypass capacitor between Pin 15 and Pin 16."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
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        "at": "2026-10-30T16:01:39"
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        "described": 16,
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        "checked": "2026-10-30",
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        "sha256": "09ccad5cc07ae7b29eff677649bd484bfd6fbdec8e1bca06b7d940ab9c571a7e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-16",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "16"
    },
    "appearance": {
      "housing": {
        "quote": "In accordance with DIN EN IEC 60747-17 (VDE 0884-17), each ADuM140D/ADuM140E/ADuM141D/ADuM141E/ADuM142D/ADuM142E in the R-16 narrow body [SOIC_N] package is proof tested by applying an insulation test",
        "page": 14,
        "doc": "ds.pdf",
        "material": "pC"
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      "version": 1,
      "datasheet_sha256": "d8dc27340f57bada1bd48869eb433cd8304c280274b6857a1dbc89d6fc9c9a41"
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      "source": "datasheet",
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      "rows": [
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          "name": "Propagation Delay",
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          "kind": "timing",
          "unit": "ns",
          "min": 4.8,
          "typ": 7.2,
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          "conditions": "50% input to 50% output",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Pulse Width Distortion",
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          "kind": "timing",
          "unit": "ns",
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          "max": 3,
          "conditions": "|tPLH − tPHL|",
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        {
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        {
          "name": "Input Current per Channel",
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          "min": -10,
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          "name": "Tristate Output Current per Channel",
          "symbol": "IOZ",
          "kind": "electrical",
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          "min": -10,
          "typ": 0.01,
          "max": 10,
          "conditions": "0 V ≤ VOx ≤ VDDx",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Logic Low Output Voltage (5 V operation)",
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          "kind": "electrical",
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          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "IOx = 20 µA, VIx = VIxL",
          "source_page": 4,
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        {
          "name": "Logic Low Output Voltage (5 V operation)",
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          "typ": 0.2,
          "max": 0.4,
          "conditions": "IOx = 4 mA, VIx = VIxL",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current, Side 1 (5 V operation)",
          "symbol": "IDD1 (Q)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": 2.46,
          "conditions": "VI5 = 0 (E0, D0), 1 (E1, D1)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current, Side 2 (5 V operation)",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
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        {
          "name": "Quiescent Supply Current, Side 1 (5 V operation)",
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          "kind": "electrical",
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          "name": "Quiescent Supply Current, Side 2 (5 V operation)",
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          "kind": "electrical",
          "unit": "mA",
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          "typ": 8.4,
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          "conditions": "VI5 = 1 (E0, D0), 0 (E1, D1)",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Operating Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
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          "min": -40,
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          "max": 125,
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        {
          "name": "Supply Voltages",
          "symbol": "VDD1, VDD2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": 5.5,
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        {
          "name": "Input Signal Rise and Fall Times",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
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        {
          "name": "Ambient Operating Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
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        {
          "name": "Maximum Fault Junction Temperature per DIN V VDE V 0884-11",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Maximum Fault Junction Temperature per Mold Compound",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
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          "name": "Supply Voltages",
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          "min": -0.5,
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          "max": 7,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
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        {
          "name": "Input Voltages",
          "symbol": "VIA, VIB, VIC, VID, VE1, VE2, DISABLE1, DISABLE2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
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          "conditions": "Maximum is VDDI1 + 0.5 V",
          "source_page": 18,
          "source": "datasheet"
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        {
          "name": "Output Voltages",
          "symbol": "VOA, VOB, VOC, VOD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Maximum is VDDO2 + 0.5 V",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Average Output Current per Pin, Side 1",
          "symbol": "IO1",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Average Output Current per Pin, Side 2",
          "symbol": "IO2",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 18,
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        },
        {
          "name": "Common-Mode Transients",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV/μs",
          "min": -150,
          "typ": null,
          "max": 150,
          "conditions": "Across the insulation barrier",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "IC Junction to Ambient Thermal Resistance, R-16 Narrow Body [SOIC_N] Package",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 76,
          "max": null,
          "conditions": "Thermocouple located at center of package underside",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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