ADM3222ARWZ

{
  "slug": "adm3222arwz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices RS232 ICs, SOIC-18-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "adm3222arwz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adm3222arwz.kicad_sym",
    "adm3222arwz.kicad_mod",
    "adm3222arwz.glb",
    "adm3222arwz.step",
    "adm3222arwz.lbr",
    "docs/hero.png",
    "docs/adm3222arwz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adm3222arwz-hero.glb",
    "adm3222arwz-hero.overlay.json",
    "adm3222arwz-etched.glb"
  ],
  "component": {
    "mpn": "ADM3222ARWZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-18-300mil",
    "pin_count": 18,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3202_3222_1385.pdf",
    "parts": {
      "symbol": "adm3222arwz.kicad_sym",
      "footprint": "adm3222arwz.kicad_mod",
      "model_3d": "adm3222arwz-hero.glb",
      "model_3d_plain": "adm3222arwz-etched.glb",
      "model_3d_step": "adm3222arwz-etched.step",
      "model_3d_step_plain": "adm3222arwz.step",
      "lbr": "adm3222arwz.lbr"
    },
    "distributor_links": {
      "lcsc": "C579197",
      "digikey": "505-ADM3222ARWZ-ND",
      "mouser": "584-ADM3222ARWZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:25:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADM3222ARWZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADM3222ARWZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable, active low: receiver outputs are enabled when low and three-stated when high."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "External capacitor 1 connects between C1+ and C1-; 0.1 μF recommended, larger up to 47 μF can be used."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Internally generated positive supply (+6 V nominal)."
      },
      {
        "number": "4",
        "name": "C1–",
        "type": "passive",
        "description": "External capacitor 1 connects between C1+ and C1-; 0.1 μF recommended, larger up to 47 μF can be used."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "External capacitor 2 connects between C2+ and C2-; 0.1 μF recommended, larger up to 47 μF can be used."
      },
      {
        "number": "6",
        "name": "C2–",
        "type": "passive",
        "description": "External capacitor 2 connects between C2+ and C2-; 0.1 μF recommended, larger up to 47 μF can be used."
      },
      {
        "number": "7",
        "name": "V–",
        "type": "power_out",
        "description": "Internally generated negative supply (−6 V nominal)."
      },
      {
        "number": "8",
        "name": "T2OUT",
        "type": "output",
        "description": "Transmitter (driver) 2 output at RS-232 signal levels (typically ±9 V)."
      },
      {
        "number": "9",
        "name": "R2IN",
        "type": "input",
        "description": "Receiver 2 input accepting RS-232 levels, with internal 5 kΩ pull-down to GND and ±30 V overvoltage protection."
      },
      {
        "number": "10",
        "name": "R2OUT",
        "type": "output",
        "description": "Receiver 2 output at CMOS logic levels."
      },
      {
        "number": "11",
        "name": "T2IN",
        "type": "input",
        "description": "Transmitter (driver) 2 input accepting TTL/CMOS levels."
      },
      {
        "number": "12",
        "name": "T1IN",
        "type": "input",
        "description": "Transmitter (driver) 1 input accepting TTL/CMOS levels."
      },
      {
        "number": "13",
        "name": "R1OUT",
        "type": "output",
        "description": "Receiver 1 output at CMOS logic levels."
      },
      {
        "number": "14",
        "name": "R1IN",
        "type": "input",
        "description": "Receiver 1 input accepting RS-232 levels, with internal 5 kΩ pull-down to GND and ±30 V overvoltage protection."
      },
      {
        "number": "15",
        "name": "T1OUT",
        "type": "output",
        "description": "Transmitter (driver) 1 output at RS-232 signal levels (typically ±9 V)."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, must be connected to 0 V."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input (3.3 V ± 0.3 V)."
      },
      {
        "number": "18",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control, active low: when low the charge pump is shut down and the transmitter outputs are disabled."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for V+ and V– (internally generated charge-pump rails) and capacitor pins were chosen by j"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1054,
        "at": "2026-10-30T22:25:06"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3202_3222_1385.pdf",
        "pages": 16,
        "sha256": "cd33ca7a96faf2c0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 18,
        "described": 18,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adm3222arwz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          11.55,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "05ad7d4945131c76ec7b9448dd9cbb5376b56adcd564c58d93e50ca7870fab1f",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adm3222arwz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
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          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bcd575983c48b6b68705fe1bd5247614339e1b0c47652fe990845cde53708df0",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}