ADM3312EARUZ

{
  "slug": "adm3312earuz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices RS232 ICs, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "adm3312earuz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adm3312earuz.kicad_sym",
    "adm3312earuz.kicad_mod",
    "adm3312earuz.glb",
    "adm3312earuz.step",
    "adm3312earuz.lbr",
    "docs/hero.png",
    "docs/adm3312earuz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adm3312earuz-hero.glb",
    "adm3312earuz-hero.overlay.json",
    "adm3312earuz-etched.glb"
  ],
  "component": {
    "mpn": "ADM3312EARUZ",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3307E_3310E_3311E_3312E_3315E.pdf",
    "parts": {
      "symbol": "adm3312earuz.kicad_sym",
      "footprint": "adm3312earuz.kicad_mod",
      "model_3d": "adm3312earuz-hero.glb",
      "model_3d_plain": "adm3312earuz-etched.glb",
      "model_3d_step": "adm3312earuz-etched.step",
      "model_3d_step_plain": "adm3312earuz.step",
      "lbr": "adm3312earuz.lbr"
    },
    "distributor_links": {
      "lcsc": "C658220",
      "digikey": "505-ADM3312EARUZ-ND",
      "mouser": "584-ADM3312EARUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T15:56:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADM3312EARUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADM3312EARUZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "V+",
        "type": "power_out",
        "description": "Internally generated positive supply of 7.25 V (6.5 V nominal for ADM3315E); capacitor C4 is connected between VCC and V+."
      },
      {
        "number": "2",
        "name": "C2+",
        "type": "passive",
        "description": "External capacitor 2 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 2.7 V to 3.6 V."
      },
      {
        "number": "4",
        "name": "C2–",
        "type": "passive",
        "description": "External capacitor 2 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable; a high level three-states all the receiver outputs."
      },
      {
        "number": "6",
        "name": "C1+",
        "type": "passive",
        "description": "External capacitor 1 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
      },
      {
        "number": "7",
        "name": "T1IN",
        "type": "input",
        "description": "Transmitter 1 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
      },
      {
        "number": "8",
        "name": "T2IN",
        "type": "input",
        "description": "Transmitter 2 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
      },
      {
        "number": "9",
        "name": "T3IN",
        "type": "input",
        "description": "Transmitter 3 input accepting TTL/CMOS levels, with an internal 400 kΩ pull-up resistor to VCC."
      },
      {
        "number": "10",
        "name": "R1OUT",
        "type": "output",
        "description": "Receiver 1 output with TTL/CMOS levels; three-stated when EN is high."
      },
      {
        "number": "11",
        "name": "R2OUT",
        "type": "output",
        "description": "Receiver 2 output with TTL/CMOS levels; three-stated when EN is high."
      },
      {
        "number": "12",
        "name": "R3OUT",
        "type": "output",
        "description": "Receiver 3 output with TTL/CMOS levels; remains active in shutdown."
      },
      {
        "number": "13",
        "name": "R3IN",
        "type": "input",
        "description": "Receiver 3 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
      },
      {
        "number": "14",
        "name": "R2IN",
        "type": "input",
        "description": "Receiver 2 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
      },
      {
        "number": "15",
        "name": "R1IN",
        "type": "input",
        "description": "Receiver 1 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
      },
      {
        "number": "16",
        "name": "T3OUT",
        "type": "output",
        "description": "Transmitter 3 RS-232 output, typically ±6.4 V for ADM3312E."
      },
      {
        "number": "17",
        "name": "T2OUT",
        "type": "output",
        "description": "Transmitter 2 RS-232 output, typically ±6.4 V for ADM3312E."
      },
      {
        "number": "18",
        "name": "T1OUT",
        "type": "output",
        "description": "Transmitter 1 RS-232 output, typically ±6.4 V for ADM3312E."
      },
      {
        "number": "19",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control; a high level disables the charge pump and reduces quiescent current to less than 1 µA."
      },
      {
        "number": "20",
        "name": "C1–",
        "type": "passive",
        "description": "External capacitor 1 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
      },
      {
        "number": "21",
        "name": "V–",
        "type": "power_out",
        "description": "Internally generated negative supply of −7.25 V; capacitor C5 is connected between GND and V−."
      },
      {
        "number": "22",
        "name": "C3–",
        "type": "passive",
        "description": "External capacitor 3 negative terminal; 0.1 µF recommended, up to 1 µF can be used."
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; must be connected to 0 V."
      },
      {
        "number": "24",
        "name": "C3+",
        "type": "passive",
        "description": "External capacitor 3 positive terminal; 0.1 µF recommended, up to 1 µF can be used."
      }
    ],
    "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 Figure 9 TSSOP pin-number labels are scrambled in the extracted text, so the name-to-number mapp; Pin 1 is inferred as C2+ from the figure text order, not from an explicit pin-1 label. The datasheet; Pin 3 is printed as 'C2' in the figure text and read as C2–. Pin 12 SD and pin 6 EN are read from th"
        ],
        "pages_sent": 11,
        "cost_usd": 0.3416,
        "at": "2026-10-30T15:55:54"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3307E_3310E_3311E_3312E_3315E.pdf",
        "pages": 20,
        "sha256": "19555870393bbfda",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adm3312earuz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adm3312earuz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0b08462456197da4a88b9e4ca766e6179ab882a18760b58d640453f3ef1e9cad",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RU-24",
      "source_page": 19,
      "D": {
        "nom_mm": 7.8,
        "range_mm": [
          7.7,
          7.9
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "adm3312earuz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}