CA-IS3082CWX

{
  "schema_version": 1,
  "type": "component",
  "slug": "ca-is3082cwx",
  "title": "CA-IS3082CWX",
  "brief": "Chipanalog Isolated RS-485/422 Transceivers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "signal isolation devices",
    "ca-is3082cwx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CA-IS3082CWX",
    "manufacturer": "Chipanalog",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Isolated RS-485/422 Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604439403339132928",
    "parts": {
      "symbol": "ca-is3082cwx.kicad_sym",
      "footprint": "ca-is3082cwx.kicad_mod",
      "model_3d": "ca-is3082cwx-etched.glb",
      "model_3d_plain": "ca-is3082cwx.glb",
      "model_3d_step": "ca-is3082cwx-etched.step",
      "model_3d_step_plain": "ca-is3082cwx.step",
      "lbr": "ca-is3082cwx.lbr"
    },
    "distributor_links": {
      "lcsc": "C41784141"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Logic side power supply input; connect 0.1μF and 1μF bypass capacitors between VDDA and GNDA pins as close as possible to device pins."
      },
      {
        "number": "2",
        "name": "GNDA",
        "type": "power_in",
        "description": "Logic side ground, providing ground reference for digital signals."
      },
      {
        "number": "3",
        "name": "RO",
        "type": "output",
        "description": "Receiver data output; when RE is low (receiver enabled), outputs high if (VA - VB) ≥ -50mV or low if (VA - VB) ≤ -200mV; outputs high impedance when RE is high."
      },
      {
        "number": "4",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable control input with internal weak pull-up; low level enables receiver, high level disables receiver output."
      },
      {
        "number": "5",
        "name": "DE",
        "type": "input",
        "description": "Driver enable control input with internal weak pull-down, high level active; low level inhibits data transmission and sets driver output to high impedance."
      },
      {
        "number": "6",
        "name": "DI",
        "type": "input",
        "description": "Driver data input with internal weak pull-up; when DE is high, high level on DI produces high on A and low on B; low level produces opposite result."
      },
      {
        "number": "7",
        "name": "GNDA",
        "type": "power_in",
        "description": "Logic side ground, providing ground reference for digital signals."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "Logic side ground, providing ground reference for digital signals."
      },
      {
        "number": "9",
        "name": "GNDB",
        "type": "power_in",
        "description": "Bus side ground, providing ground reference for RS-485 bus signals."
      },
      {
        "number": "10",
        "name": "GNDB",
        "type": "power_in",
        "description": "Bus side ground, providing ground reference for RS-485 bus signals."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; can be connected to VDDB, GNDB, or left floating."
      },
      {
        "number": "12",
        "name": "A",
        "type": "bidirectional",
        "description": "RS-485 bus in-phase output from driver / in-phase input to receiver; differential pair with pin 13; operates as driver output when DE=high, receiver input when RE=low."
      },
      {
        "number": "13",
        "name": "B",
        "type": "bidirectional",
        "description": "RS-485 bus anti-phase output from driver / anti-phase input to receiver; differential pair with pin 12; operates as driver output when DE=high, receiver input when RE=low."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; can be connected to VDDB, GNDB, or left floating."
      },
      {
        "number": "15",
        "name": "GNDB",
        "type": "power_in",
        "description": "Bus side ground, providing ground reference for RS-485 bus signals."
      },
      {
        "number": "16",
        "name": "VDDB",
        "type": "power_in",
        "description": "Bus side power supply input; connect 0.1μF and 1μF bypass capacitors between VDDB and GNDB pins as close as possible to device pins."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 22,
        "cost_usd": 0.2182,
        "at": "2026-09-21T16:17:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604439403339132928",
        "pages": 22,
        "sha256": "9eab96b1cb24d97f",
        "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-is3082cwx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3082cwx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a203606ed9622c7dbb8151c04d629eab8e8f4b0a3667dce5951bbdc41618c2e7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Chipanalog",
      "Package": "SOIC-16-300mil",
      "Category": "Signal Isolation Devices",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ca-is3082cwx"
  ],
  "discovery_pitch": "CA-IS3082CWX (Chipanalog) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ca-is3082cwx.kicad_sym",
    "ca-is3082cwx.kicad_mod",
    "ca-is3082cwx.glb",
    "ca-is3082cwx.step",
    "ca-is3082cwx.lbr",
    "docs/hero.png",
    "docs/ca-is3082cwx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:24:36.929Z"
}