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Ray Set visibility: public eec41c7 6d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ltc2481idd-pbf",
  "title": "LTC2481IDD#PBF",
  "brief": "Analog Devices Analog To Digital Converters (ADC), DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "data acquisition",
    "ltc2481idd#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "78834b7f0e3cc017b23dd62ed87186c8ba3560de5978fcfa063f96c21ac0c969",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "DFN-10-EP(3x3)",
      "Category": "Data Acquisition",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a10a2a6a86cb7e59e09336447f382fdf4222a5b6c64ffc6db437fab4393b7972",
      "rows": [
        {
          "name": "Supply Voltage (VCC) to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Analog Input Voltage to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit printed as (VCC + 0.3V)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Digital Input Voltage to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit printed as (VCC + 0.3V)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "LTC2481I",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resolution (No Missing Codes)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Bits",
          "min": 16,
          "typ": null,
          "max": null,
          "conditions": "0.1 ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Integral Nonlinearity",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Integral Nonlinearity",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Offset Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": 0.5,
          "max": 2.5,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 13)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Positive Full-Scale Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Negative Full-Scale Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "2.5V ≤ VREF ≤ VCC, IN– = 0.75VREF, IN+ = 0.25VREF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Unadjusted Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Internal PTAT Signal",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 390,
          "typ": null,
          "max": 450,
          "conditions": "TA = 27°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Programmable Gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": 1,
          "typ": null,
          "max": 256,
          "conditions": "See Table 2a",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Offset Error (2x Speed)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.5,
          "max": 2,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 13)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Positive Full-Scale Error (2x Speed)",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Negative Full-Scale Error (2x Speed)",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of VREF",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "2.5V ≤ VREF ≤ VCC, IN– = 0.75VREF, IN+ = 0.25VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Programmable Gain (2x Speed)",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": 1,
          "typ": null,
          "max": 128,
          "conditions": "See Table 2b",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage Range (REF+ – REF–)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Rejection DC",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 140,
          "typ": null,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Rejection 50Hz ±2%",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 140,
          "typ": null,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Common Mode Rejection 60Hz ±2%",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 140,
          "typ": null,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Normal Mode Rejection 50Hz ±2%",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": 120,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Normal Mode Rejection 60Hz ±2%",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": 120,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Normal Mode Rejection 50Hz/60Hz ±2%",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 87,
          "typ": null,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 9)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Common Mode Rejection DC",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 120,
          "typ": 140,
          "max": null,
          "conditions": "2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IN+ DC Leakage Current",
          "symbol": "IDC_LEAK (IN+)",
          "kind": "electrical",
          "unit": "nA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "Sleep Mode, IN+ = GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "IN– DC Leakage Current",
          "symbol": "IDC_LEAK (IN–)",
          "kind": "electrical",
          "unit": "nA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "Sleep Mode, IN– = GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "REF+, REF– DC Leakage Current",
          "symbol": "IDC_LEAK (VREF)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 1,
          "max": 100,
          "conditions": "Sleep Mode, VREF = VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance from CA0/f0, CA1 to VCC to Set Chip Address Bit to 1",
          "symbol": "RINH",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance from CA1 to GND to Set Chip Address Bit to 0",
          "symbol": "RINL",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance from CA0/f0, CA1 to VCC or GND to Set Chip Address Bit to Float",
          "symbol": "RINF",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "SDA I = 3mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Fall Time from VIHMIN to VILMAX",
          "symbol": "tOF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Bus Load CB 10pF to 400pF (Note 14)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low Level CA0/f0 External Oscillator",
          "symbol": "VIL(EXT,OSC)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "2.7V ≤ VCC < 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
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