CA-IS3740VLN

{
  "slug": "ca-is3740vln",
  "version": "0.1.0",
  "type": "component",
  "description": "Chipanalog Digital Isolators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "isolators",
    "ca-is3740vln",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-is3740vln.kicad_sym",
    "ca-is3740vln.kicad_mod",
    "ca-is3740vln.glb",
    "ca-is3740vln.step",
    "ca-is3740vln.lbr",
    "docs/hero.png",
    "docs/ca-is3740vln-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ca-is3740vln-hero.glb",
    "ca-is3740vln-hero.overlay.json",
    "ca-is3740vln-etched.glb"
  ],
  "component": {
    "mpn": "CA-IS3740VLN",
    "manufacturer": "Chipanalog",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Isolators",
    "subcategory": "Digital Isolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bcfe4d19e46af2ff658bfc0ecda7b68c.pdf",
    "parts": {
      "symbol": "ca-is3740vln.kicad_sym",
      "footprint": "ca-is3740vln.kicad_mod",
      "model_3d": "ca-is3740vln-hero.glb",
      "model_3d_plain": "ca-is3740vln-etched.glb",
      "model_3d_step": "ca-is3740vln-etched.step",
      "model_3d_step_plain": "ca-is3740vln.step",
      "lbr": "ca-is3740vln.lbr"
    },
    "distributor_links": {
      "lcsc": "C7422556"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T23:55:05Z",
      "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": "Side A supply voltage, recommended range 1.7 V to 5.5 V, with a 0.1 µF to 1 µF bypass capacitor to GNDA."
      },
      {
        "number": "2",
        "name": "GNDA",
        "type": "power_in",
        "description": "Side A ground reference."
      },
      {
        "number": "3",
        "name": "VI1",
        "type": "input",
        "description": "Side A logic input for channel 1, passed to VO1 and defaulting low if the input is open or VDDA is unpowered."
      },
      {
        "number": "4",
        "name": "VI2",
        "type": "input",
        "description": "Side A logic input for channel 2, passed to VO2 and defaulting low if the input is open or VDDA is unpowered."
      },
      {
        "number": "5",
        "name": "VI3",
        "type": "input",
        "description": "Side A logic input for channel 3, passed to VO3 and defaulting low if the input is open or VDDA is unpowered."
      },
      {
        "number": "6",
        "name": "VI4",
        "type": "input",
        "description": "Side A logic input for channel 4, passed to VO4 and defaulting low if the input is open or VDDA is unpowered."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; it may be left floating or tied to VDD or GND."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "Side A ground reference."
      },
      {
        "number": "9",
        "name": "GNDB",
        "type": "power_in",
        "description": "Side B ground reference."
      },
      {
        "number": "10",
        "name": "ENB",
        "type": "input",
        "description": "Side B output enable, internally pulled up to VDDB; high or floating enables outputs VO1 to VO4, low puts them in high impedance."
      },
      {
        "number": "11",
        "name": "VO4",
        "type": "tri_state",
        "description": "Side B logic output for channel 4, high impedance when ENB is low."
      },
      {
        "number": "12",
        "name": "VO3",
        "type": "tri_state",
        "description": "Side B logic output for channel 3, high impedance when ENB is low."
      },
      {
        "number": "13",
        "name": "VO2",
        "type": "tri_state",
        "description": "Side B logic output for channel 2, high impedance when ENB is low."
      },
      {
        "number": "14",
        "name": "VO1",
        "type": "tri_state",
        "description": "Side B logic output for channel 1, high impedance when ENB is low."
      },
      {
        "number": "15",
        "name": "GNDB",
        "type": "power_in",
        "description": "Side B ground reference."
      },
      {
        "number": "16",
        "name": "VDDB",
        "type": "power_in",
        "description": "Side B supply voltage, recommended range 1.7 V to 5.5 V, with a 0.1 µF to 1 µF bypass capacitor to GNDB."
      }
    ],
    "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: Pinout taken from Table 6-1 and the 16-Pin SOIC NB top view (page 4), which match the SOIC16-NB pack"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0954,
        "at": "2026-11-04T23:54:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bcfe4d19e46af2ff658bfc0ecda7b68c.pdf",
        "pages": 24,
        "sha256": "d01faaa7371ab098",
        "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": "ca-is3740vln.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": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3740vln-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": "65259376e50915c7aab0486ac65c637e118277f7f49dcbe177aaac32f1f87527",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOIC16-NB (N)",
      "source_page": 1,
      "D": {
        "nom_mm": 9.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ca-is3740vln.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}