ADM2481BRWZ-RL7

{
  "slug": "adm2481brwz-rl7",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Isolated RS-485/422 Transceivers, SOIC-16-300mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "adm2481brwz-rl7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adm2481brwz-rl7.kicad_sym",
    "adm2481brwz-rl7.kicad_mod",
    "adm2481brwz-rl7.glb",
    "adm2481brwz-rl7.step",
    "adm2481brwz-rl7.lbr",
    "docs/hero.png",
    "docs/adm2481brwz-rl7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ADM2481BRWZ-RL7",
    "manufacturer": "Analog Devices",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Isolated RS-485/422 Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193481853513728",
    "parts": {
      "symbol": "adm2481brwz-rl7.kicad_sym",
      "footprint": "adm2481brwz-rl7.kicad_mod",
      "model_3d": "adm2481brwz-rl7-etched.glb",
      "model_3d_plain": "adm2481brwz-rl7.glb",
      "model_3d_step": "adm2481brwz-rl7-etched.step",
      "model_3d_step_plain": "adm2481brwz-rl7.step",
      "lbr": "adm2481brwz-rl7.lbr"
    },
    "distributor_links": {
      "lcsc": "C122796"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Power supply (logic side) within 3.0 V to 5.5 V relative to GND1."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground (logic side), must be connected together with pins 7 and 8."
      },
      {
        "number": "3",
        "name": "RxD",
        "type": "tri_state",
        "description": "Receiver output data, high when (A − B) ≥ −30 mV, low when (A − B) ≤ −200 mV, tristate when receiver disabled by RE driven high."
      },
      {
        "number": "4",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable input (active-low), enables receiver when low and disables receiver when driven high."
      },
      {
        "number": "5",
        "name": "DE",
        "type": "input",
        "description": "Driver enable input (active-high), enables driver when driven high and disables driver when low."
      },
      {
        "number": "6",
        "name": "TxD",
        "type": "input",
        "description": "Transmit data input for driver, accepts CMOS logic levels referenced to VDD1/GND1."
      },
      {
        "number": "7",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground (logic side), must be connected together with pins 2 and 8."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground (logic side), must be connected together with pins 2 and 7."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground (bus side), isolated from logic side GND1."
      },
      {
        "number": "10",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground (bus side), isolated from logic side GND1."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, must not be connected to any circuit."
      },
      {
        "number": "12",
        "name": "A",
        "type": "tri_state",
        "description": "Noninverting driver output and receiver input, high-impedance when driver disabled or VDD1/VDD2 powered down."
      },
      {
        "number": "13",
        "name": "B",
        "type": "tri_state",
        "description": "Inverting driver output and receiver input, high-impedance when driver disabled or VDD1/VDD2 powered down."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, must not be connected to any circuit."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground (bus side), isolated from logic side GND1."
      },
      {
        "number": "16",
        "name": "VDD2",
        "type": "power_in",
        "description": "Power supply (bus side) within 4.75 V to 5.25 V relative to GND2."
      }
    ],
    "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": 17,
        "cost_usd": 0.2179,
        "at": "2026-09-18T05:30:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193481853513728",
        "pages": 17,
        "sha256": "3293123aba468dcb",
        "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": "adm2481brwz-rl7.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adm2481brwz-rl7-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": "0da6db816345538b1c85281ac8c275e4b2fdf06705191935c8ba9b56c993ea52",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}