CA-IS3722HG

{
  "slug": "ca-is3722hg",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog Digital Isolators, SOIC-8-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "ca-is3722hg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-is3722hg.kicad_sym",
    "ca-is3722hg.kicad_mod",
    "ca-is3722hg.glb",
    "ca-is3722hg.step",
    "ca-is3722hg.lbr",
    "docs/hero.png",
    "docs/ca-is3722hg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca-is3722hg-hero.glb",
    "ca-is3722hg-hero.overlay.json",
    "ca-is3722hg-etched.glb"
  ],
  "component": {
    "mpn": "CA-IS3722HG",
    "manufacturer": "Chipanalog",
    "package": "SOIC-8-300mil",
    "pin_count": 8,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941001863520256",
    "parts": {
      "symbol": "ca-is3722hg.kicad_sym",
      "footprint": "ca-is3722hg.kicad_mod",
      "model_3d": "ca-is3722hg-hero.glb",
      "model_3d_plain": "ca-is3722hg-etched.glb",
      "model_3d_step": "ca-is3722hg-etched.step",
      "model_3d_step_plain": "ca-is3722hg.step",
      "lbr": "ca-is3722hg.lbr"
    },
    "distributor_links": {
      "lcsc": "C2890048"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:22:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Side-A supply voltage, recommended range 2.375 V to 5.5 V, with absolute maximum rating of -0.5 V to 7.0 V."
      },
      {
        "number": "2",
        "name": "VO1",
        "type": "output",
        "description": "Side-A logic output of channel 1 on the CA-IS3722; rail-to-rail with 50 Ω typical output impedance, IOH = -4 mA and IOL = 4 mA at 5 V."
      },
      {
        "number": "3",
        "name": "VI2",
        "type": "input",
        "description": "Side-A logic input of channel 2 on the CA-IS3722; Schmitt-trigger input with VIH minimum 2.0 V and VIL maximum 0.8 V, and input voltage limited to -0.5 V to VDD + 0.5 V."
      },
      {
        "number": "4",
        "name": "GNDA",
        "type": "power_in",
        "description": "Side-A ground reference; all Side-A voltages are measured relative to GNDA."
      },
      {
        "number": "5",
        "name": "GNDB",
        "type": "power_in",
        "description": "Side-B ground reference; all Side-B voltages are measured relative to GNDB."
      },
      {
        "number": "6",
        "name": "VO2",
        "type": "output",
        "description": "Side-B logic output of channel 2 on the CA-IS3722; rail-to-rail with 50 Ω typical output impedance, IOH = -4 mA and IOL = 4 mA at 5 V."
      },
      {
        "number": "7",
        "name": "VI1",
        "type": "input",
        "description": "Side-B logic input of channel 1 on the CA-IS3722; Schmitt-trigger input with VIH minimum 2.0 V and VIL maximum 0.8 V, and input voltage limited to -0.5 V to VDD + 0.5 V."
      },
      {
        "number": "8",
        "name": "VDDB",
        "type": "power_in",
        "description": "Side-B supply voltage, recommended range 2.375 V to 5.5 V, with absolute maximum rating of -0.5 V to 7.0 V."
      }
    ],
    "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: The MPN suffix 'HG' maps to package SOIC8-WB (G) in the ordering table (Table 4-1), which is the 300; The Section 6 figure text for the CA-IS3722 8-pin SOIC is garbled in the extraction. The pinout was ; Table 6-1 covers both the SOIC8 narrow and SOIC8-WB wide packages with the same pin assignments, so "
        ],
        "pages_sent": 25,
        "cost_usd": 0.1092,
        "at": "2026-10-18T00:21:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941001863520256",
        "pages": 25,
        "sha256": "fe7c518865098110",
        "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-is3722hg.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3722hg-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": "aaa561451ad8b653948f6bc2948148ba9e2f4270d76c1b3c86b936471e2c3747",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}