ISO7820DWR

{
  "slug": "iso7820dwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "iso7820dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "iso7820dwr.kicad_sym",
    "iso7820dwr.kicad_mod",
    "iso7820dwr.glb",
    "iso7820dwr.step",
    "iso7820dwr.lbr",
    "docs/hero.png",
    "docs/iso7820dwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "iso7820dwr-hero.glb",
    "iso7820dwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ISO7820DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso7820",
    "parts": {
      "symbol": "iso7820dwr.kicad_sym",
      "footprint": "iso7820dwr.kicad_mod",
      "model_3d": "iso7820dwr-hero.glb",
      "model_3d_plain": "iso7820dwr.glb",
      "model_3d_step": "iso7820dwr-etched.step",
      "model_3d_step_plain": "iso7820dwr.step",
      "lbr": "iso7820dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2878527",
      "digikey": "ISO7820DWR-ND",
      "mouser": "595-ISO7820DWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T22:54:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISO7820DWR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ISO7820DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1; voltages on the input side are referenced to this local ground (GND1)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "3",
        "name": "VCC1",
        "type": "power_in",
        "description": "Power supply for side 1 (input side), specified from 2.25 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "INA",
        "type": "input",
        "description": "Input, channel A; logic high requires at least 0.7 × VCCI and logic low at most 0.3 × VCCI."
      },
      {
        "number": "5",
        "name": "INB",
        "type": "input",
        "description": "Input, channel B; logic high requires at least 0.7 × VCCI and logic low at most 0.3 × VCCI."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "7",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1; voltages on the input side are referenced to this local ground (GND1)."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2; output-side voltages are referenced to this local ground (GND2)."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "12",
        "name": "OUTB",
        "type": "output",
        "description": "Output, channel B; recommended output current is 4 mA sink / -4 mA source at VCCO = 5 V, 2 mA / -2 mA at 3.3 V, and 1 mA / -1 mA at 2.5 V."
      },
      {
        "number": "13",
        "name": "OUTA",
        "type": "output",
        "description": "Output, channel A; recommended output current is 4 mA sink / -4 mA source at VCCO = 5 V, 2 mA / -2 mA at 3.3 V, and 1 mA / -1 mA at 2.5 V."
      },
      {
        "number": "14",
        "name": "VCC2",
        "type": "power_in",
        "description": "Power supply for side 2 (output side), specified from 2.25 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (未连接) on the DW package."
      },
      {
        "number": "16",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2; output-side voltages are referenced to this local ground (GND2)."
      }
    ],
    "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: Pin-function table gives GND1 as pins 1 and 7 and GND2 as pins 9 and 16 for DW; the datasheet states; Section 5.3 gives IOH/IOL recommended limits by VCCO but does not assign them per pin; the same per-; Section 5.3 gives VCC1/VCC2 range 2.25 V to 5.5 V for both sides; this is applied to each supply pin"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0859,
        "at": "2026-10-11T22:54:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso7820",
        "pages": 38,
        "sha256": "6e44e42902962d6d",
        "source_tier": "lcsc"
      },
      "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": "iso7820dwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "iso7820dwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "93aeee5f329e75e54c7e1841783f2b743f7953eb0b82771a1c4c5307d981de7e",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}