ISO7831DWWR

{
  "slug": "iso7831dwwr",
  "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",
    "iso7831dwwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "iso7831dwwr.kicad_sym",
    "iso7831dwwr.kicad_mod",
    "iso7831dwwr.glb",
    "iso7831dwwr.step",
    "iso7831dwwr.lbr",
    "docs/hero.png",
    "docs/iso7831dwwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "iso7831dwwr-hero.glb",
    "iso7831dwwr-hero.overlay.json"
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  "component": {
    "mpn": "ISO7831DWWR",
    "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/iso7831",
    "parts": {
      "symbol": "iso7831dwwr.kicad_sym",
      "footprint": "iso7831dwwr.kicad_mod",
      "model_3d": "iso7831dwwr-hero.glb",
      "model_3d_plain": "iso7831dwwr.glb",
      "model_3d_step": "iso7831dwwr-etched.step",
      "model_3d_step_plain": "iso7831dwwr.step",
      "lbr": "iso7831dwwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873078",
      "digikey": "296-44858-2-ND",
      "mouser": "595-ISO7831DWWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:39:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44858-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ISO7831DWWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Side-1 supply pin; VCC1 operates from 2.25 V to 5.5 V and should have a 0.1 µF decoupling capacitor within 2 mm of the pin."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1 (side 1); pin 2 and pin 8 are both side-1 grounds."
      },
      {
        "number": "3",
        "name": "INA",
        "type": "input",
        "description": "Logic input for channel A, referenced to the side-1 supply VCCI; high-level input requires at least 0.7 × VCCI and low-level input must not exceed 0.3 × VCCI."
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Logic input for channel B, referenced to the side-1 supply VCCI; high-level input requires at least 0.7 × VCCI and low-level input must not exceed 0.3 × VCCI."
      },
      {
        "number": "5",
        "name": "OUTC",
        "type": "output",
        "description": "Output for channel C; the output is high-impedance when the associated enable is low, and it drives VCCO-referenced levels with IOH/IOL limited to ±4 mA at 5 V, ±2 mA at 3.3 V and ±1 mA at 2.5 V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally; leave this pin unconnected."
      },
      {
        "number": "7",
        "name": "EN1",
        "type": "input",
        "description": "Output enable for side 1; high or open enables the side-1 outputs, and low places them in high impedance."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1 (side 1); pin 8 and pin 2 are both side-1 grounds."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2 (side 2); pin 9 and pin 15 are both side-2 grounds."
      },
      {
        "number": "10",
        "name": "EN2",
        "type": "input",
        "description": "Output enable for side 2; high or open enables the side-2 outputs, and low places them in high impedance."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally; leave this pin unconnected."
      },
      {
        "number": "12",
        "name": "INC",
        "type": "input",
        "description": "Logic input for channel C, referenced to the side-2 supply VCCI; high-level input requires at least 0.7 × VCCI and low-level input must not exceed 0.3 × VCCI."
      },
      {
        "number": "13",
        "name": "OUTB",
        "type": "output",
        "description": "Output for channel B; the output is high-impedance when the associated enable is low, and it drives VCCO-referenced levels with IOH/IOL limited to ±4 mA at 5 V, ±2 mA at 3.3 V and ±1 mA at 2.5 V."
      },
      {
        "number": "14",
        "name": "OUTA",
        "type": "output",
        "description": "Output for channel A; the output is high-impedance when the associated enable is low, and it drives VCCO-referenced levels with IOH/IOL limited to ±4 mA at 5 V, ±2 mA at 3.3 V and ±1 mA at 2.5 V."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2 (side 2); pin 15 and pin 9 are both side-2 grounds."
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "Side-2 supply pin; VCC2 operates from 2.25 V to 5.5 V and should have a 0.1 µF decoupling capacitor within 2 mm of the pin."
      }
    ],
    "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: Package mismatch: the hint says SOIC-16-300mil, but ISO7831DWWR is the DWW wide-body package (10.30 ; Datasheet pin table (Table 4-1) and Figure 4-1 are in the Chinese translation. Pin descriptions here; Pin-level limits for the output and input descriptions come from the recommended operating condition"
        ],
        "pages_sent": 24,
        "cost_usd": 0.1136,
        "at": "2026-10-08T23:38:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso7831",
        "pages": 38,
        "sha256": "938fbc0ad53e0111",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "iso7831dwwr-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "d21ee1ea9a25a512de85be2dee4d27a6cec565aaf67066f70799112154b4ca7c",
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  }
}