LTC2481IDD#PBF

{
  "slug": "ltc2481idd-pbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Analog To Digital Converters (ADC), DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ltc2481idd#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc2481idd-pbf.kicad_sym",
    "ltc2481idd-pbf.kicad_mod",
    "ltc2481idd-pbf.glb",
    "ltc2481idd-pbf.step",
    "ltc2481idd-pbf.lbr",
    "docs/hero.png",
    "docs/ltc2481idd-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc2481idd-pbf-hero.glb",
    "ltc2481idd-pbf-hero.overlay.json",
    "ltc2481idd-pbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC2481IDD#PBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885960154599424",
    "parts": {
      "symbol": "ltc2481idd-pbf.kicad_sym",
      "footprint": "ltc2481idd-pbf.kicad_mod",
      "model_3d": "ltc2481idd-pbf-hero.glb",
      "model_3d_plain": "ltc2481idd-pbf-etched.glb",
      "model_3d_step": "ltc2481idd-pbf-etched.step",
      "model_3d_step_plain": "ltc2481idd-pbf.step",
      "lbr": "ltc2481idd-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C680845",
      "digikey": "505-LTC2481IDD#PBF-ND",
      "mouser": "584-LTC2481IDD#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T00:37:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTC2481IDD#PBF-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "584-LTC2481IDD#PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF+",
        "type": "input",
        "description": "Positive differential reference input; it may be any value between GND and VCC as long as REF+ is at least 0.1V more positive than REF-."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; bypass to GND (pin 8) with a 1µF tantalum capacitor in parallel with a 0.1µF ceramic capacitor as close to the part as possible."
      },
      {
        "number": "3",
        "name": "REF–",
        "type": "input",
        "description": "Negative differential reference input; it must be at least 0.1V less positive than REF+ and lie between GND and VCC."
      },
      {
        "number": "4",
        "name": "IN+",
        "type": "input",
        "description": "Positive differential analog input that may range from GND - 0.3V to VCC + 0.3V, with a bipolar differential input range of -0.5·VREF/GAIN to 0.5·VREF/GAIN; outside this range the converter produces overrange/underrange codes."
      },
      {
        "number": "5",
        "name": "IN–",
        "type": "input",
        "description": "Negative differential analog input that may range from GND - 0.3V to VCC + 0.3V, forming with IN+ the bipolar input range of -0.5·VREF/GAIN to 0.5·VREF/GAIN."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input; the LTC2481 acts only as a slave, shifting data into SDA on SCL rising edges and outputting data on SDA on SCL falling edges."
      },
      {
        "number": "7",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bidirectional serial data line: high impedance in data input (write) mode, and an open-drain N-channel driver in data output (read) mode that requires an external pull-up resistor or current source to VCC."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect to a ground plane through a low impedance connection."
      },
      {
        "number": "9",
        "name": "CA1",
        "type": "input",
        "description": "Three-state (LOW, HIGH, or Floating) chip address control pin that sets bit CA1 of the device I2C address."
      },
      {
        "number": "10",
        "name": "CA0/f0",
        "type": "input",
        "description": "Two-state (HIGH or Floating) chip address control pin when no transition is detected; when driven by an external clock of at least 10kHz (fEOSC), it becomes the system clock with the digital filter rejection null at fEOSC/5120 and sets CA0 internally HIGH."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad is GND and 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: The Pin Configuration block on page 2 is jumbled in text extraction; pin numbers were taken from the; Specifically matched to the LTC2481IDD#PBF ordering entry (DD package, 10-lead 3x3 DFN, –40°C to 85°"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0585,
        "at": "2026-10-21T00:35:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885960154599424",
        "pages": 40,
        "sha256": "a10a2a6a86cb7e59",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltc2481idd-pbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltc2481idd-pbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "78834b7f0e3cc017b23dd62ed87186c8ba3560de5978fcfa063f96c21ac0c969",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}