LTC2801IDE#PBF

{
  "slug": "ltc2801ide-pbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices RS232 ICs, DFN-12-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ltc2801ide#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc2801ide-pbf.kicad_sym",
    "ltc2801ide-pbf.kicad_mod",
    "ltc2801ide-pbf.glb",
    "ltc2801ide-pbf.step",
    "ltc2801ide-pbf.lbr",
    "docs/hero.png",
    "docs/ltc2801ide-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc2801ide-pbf-hero.glb",
    "ltc2801ide-pbf-hero.overlay.json",
    "ltc2801ide-pbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC2801IDE#PBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-12-EP(3x4)",
    "pin_count": 13,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590144529857601536",
    "parts": {
      "symbol": "ltc2801ide-pbf.kicad_sym",
      "footprint": "ltc2801ide-pbf.kicad_mod",
      "model_3d": "ltc2801ide-pbf-hero.glb",
      "model_3d_plain": "ltc2801ide-pbf-etched.glb",
      "model_3d_step": "ltc2801ide-pbf-etched.step",
      "model_3d_step_plain": "ltc2801ide-pbf.step",
      "lbr": "ltc2801ide-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C580599",
      "digikey": "LTC2801IDE#PBF-ND",
      "mouser": "584-LTC2801IDE#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:51:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTC2801IDE#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LTC2801IDE#PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RIN",
        "type": "input",
        "description": "RS-232 receiver input with an internal 5kΩ termination resistor, rated for -25V to 25V absolute maximum."
      },
      {
        "number": "2",
        "name": "TOUT",
        "type": "output",
        "description": "RS-232 driver output, which can be shorted to ground or driven up to ±15V without damage (absolute maximum -15V to 15V)."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin for 1.8V to 5.5V operation, to be bypassed to GND with a 1µF capacitor."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_out",
        "description": "Generated positive supply for the RS-232 driver, regulated to 7V, with a 1µF capacitor connected between VDD and GND."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "passive",
        "description": "Switch pin of the DC-DC converter, which connects to a 10µH inductor between SW and VCC."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "7",
        "name": "CAP",
        "type": "passive",
        "description": "Charge-pump capacitor for the generated negative supply, with a 220nF capacitor connected between CAP and SW."
      },
      {
        "number": "8",
        "name": "PS",
        "type": "input",
        "description": "Power supply control pin, referenced to VL, that enables the integrated DC-DC converter (absolute maximum -0.3V to VL + 0.3V)."
      },
      {
        "number": "9",
        "name": "MODE",
        "type": "input",
        "description": "Mode control pin, referenced to VL, that selects the operating mode per Table 1 (absolute maximum -0.3V to 7V)."
      },
      {
        "number": "10",
        "name": "VL",
        "type": "power_in",
        "description": "Logic supply for the receiver outputs, driver inputs and control inputs, operating from 1.8V to 5.5V and bypassed with 220nF if not tied to VCC."
      },
      {
        "number": "11",
        "name": "TIN",
        "type": "input",
        "description": "Driver input referenced to VL (absolute maximum -0.3V to 7V)."
      },
      {
        "number": "12",
        "name": "ROUT",
        "type": "output",
        "description": "Receiver output referenced to VL, short-circuit protected to GND, VCC and VL, and high impedance in Shutdown mode."
      },
      {
        "number": "13",
        "name": "VEE",
        "type": "power_out",
        "description": "Generated negative supply for the RS-232 driver, regulated to -6.3V, with a 1µF capacitor between VEE and GND; this is also the exposed backside thermal pad, which must be soldered to the PCB."
      }
    ],
    "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: Pin 13 is VEE and also the exposed backside thermal pad. The datasheet lists it as '13*' with a back; The pin-number-to-name assignments come from the Pin Functions table (2801 column), not from the TOP; The datasheet covers the family, and the DE (12-lead DFN) package is the only one for LTC2801. The o"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0981,
        "at": "2026-10-21T00:47:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590144529857601536",
        "pages": 18,
        "sha256": "e9ad4ef1183d2db6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 13,
        "described": 13,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltc2801ide-pbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "845020e85b5efd5390cabe9ebf6f19225aa2620525cfa849c1d3e9ca94a4ee1d",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc2801ide-pbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "15acd30b9d74782cc4192497e7787920e79c535f0bd99daa2083c2e3f458d8d5",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}