main
Ray Publish 0.1.0 844a489
{
  "slug": "ca-is3720cls",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "ca-is3720cls",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-is3720cls.kicad_sym",
    "ca-is3720cls.kicad_mod",
    "ca-is3720cls.glb",
    "ca-is3720cls.step",
    "ca-is3720cls.lbr",
    "docs/hero.png",
    "docs/ca-is3720cls-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca-is3720cls-hero.glb",
    "ca-is3720cls-hero.overlay.json",
    "ca-is3720cls-etched.glb"
  ],
  "component": {
    "mpn": "CA-IS3720CLS",
    "manufacturer": "Chipanalog",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/19a6bd1a0a45cb5db9ba9fc7ba662c9e.pdf",
    "parts": {
      "symbol": "ca-is3720cls.kicad_sym",
      "footprint": "ca-is3720cls.kicad_mod",
      "model_3d": "ca-is3720cls-hero.glb",
      "model_3d_plain": "ca-is3720cls-etched.glb",
      "model_3d_step": "ca-is3720cls-etched.step",
      "model_3d_step_plain": "ca-is3720cls.step",
      "lbr": "ca-is3720cls.lbr"
    },
    "distributor_links": {
      "lcsc": "C41784134"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T21:54:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDA",
        "type": "power_in",
        "description": "A-side supply voltage, specified over 3.0 V to 5.5 V (3.3 V typical) as a recommended operating condition."
      },
      {
        "number": "2",
        "name": "VI1",
        "type": "input",
        "description": "Channel 1 A-side logic input on the CA-IS3720C; input thresholds are 0.7 x VDDI (high) and 0.3 x VDDI (low), per the electrical characteristics."
      },
      {
        "number": "3",
        "name": "VI2",
        "type": "input",
        "description": "Channel 2 A-side logic input on the CA-IS3720C; input thresholds are 0.7 x VDDI (high) and 0.3 x VDDI (low), per the electrical characteristics."
      },
      {
        "number": "4",
        "name": "GNDA",
        "type": "power_in",
        "description": "A-side ground reference point for the isolator's input side."
      },
      {
        "number": "5",
        "name": "GNDB",
        "type": "power_in",
        "description": "B-side ground reference point for the isolator's output side."
      },
      {
        "number": "6",
        "name": "VO2",
        "type": "output",
        "description": "Channel 2 B-side logic output on the CA-IS3720C; for the L-suffix part this output goes Low when the input-side supply is lost, with drive limited to 4 mA low-level (IOL) at 5 V."
      },
      {
        "number": "7",
        "name": "VO1",
        "type": "output",
        "description": "Channel 1 B-side logic output on the CA-IS3720C; for the L-suffix part this output goes Low when the input-side supply is lost, with drive limited to 4 mA low-level (IOL) at 5 V."
      },
      {
        "number": "8",
        "name": "VDDB",
        "type": "power_in",
        "description": "B-side supply voltage, specified over 3.0 V to 5.5 V (3.3 V typical) as a recommended operating condition."
      }
    ],
    "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: Default-low fail-safe behaviour is taken from the ordering guide (suffix L = low default) and the tr; The datasheet gives VDDA/VDDB only as a recommended operating range (3.0 to 5.5 V); no separate per-"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0908,
        "at": "2026-11-04T21:53:57"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/19a6bd1a0a45cb5db9ba9fc7ba662c9e.pdf",
        "pages": 24,
        "sha256": "24fee350c7266eeb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ca-is3720cls.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3720cls-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "73373ba4157d802038b2acea97a841c31cfa052b80f517230615b8e7035813f4",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}