XL549

{
  "slug": "xl549",
  "version": "0.1.0",
  "type": "component",
  "description": "XINLUDA Analog To Digital Converters (ADC), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "xl549",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "xl549.kicad_sym",
    "xl549.kicad_mod",
    "xl549.glb",
    "xl549.step",
    "xl549.lbr",
    "docs/hero.png",
    "docs/xl549-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl549-hero.glb",
    "xl549-hero.overlay.json",
    "xl549-etched.glb"
  ],
  "component": {
    "mpn": "XL549",
    "manufacturer": "XINLUDA",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886318533791744",
    "parts": {
      "symbol": "xl549.kicad_sym",
      "footprint": "xl549.kicad_mod",
      "model_3d": "xl549-hero.glb",
      "model_3d_plain": "xl549-etched.glb",
      "model_3d_step": "xl549-etched.step",
      "model_3d_step_plain": "xl549.step",
      "lbr": "xl549.lbr"
    },
    "distributor_links": {
      "lcsc": "C707062"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:37:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF+",
        "type": "input",
        "description": "Positive reference voltage input, which must be kept within 2.5 V ≤ REF+ ≤ Vcc + 0.1 as printed."
      },
      {
        "number": "2",
        "name": "ANALOG IN",
        "type": "input",
        "description": "Analog signal input sampled by the on-chip sample-and-hold, which starts sampling at the falling edge of the 4th I/O CLOCK and takes 4 I/O clock cycles for channel acquisition."
      },
      {
        "number": "3",
        "name": "REF-",
        "type": "input",
        "description": "Negative reference voltage input, which must be kept within -0.1 V ≤ REF- ≤ 2.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; the datasheet gives no further limits for this pin."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Chip select input, which must be taken low to start a conversion sequence and must be high (or I/O CLOCK held low for 36 internal clock cycles) to complete the conversion."
      },
      {
        "number": "6",
        "name": "DATA OUT",
        "type": "output",
        "description": "Serial conversion result output, which first presents the MSB (D7) on CS falling edge and then updates on I/O CLOCK falling edges, with output data remaining valid for at least 10 ns after I/O CLOCK falls."
      },
      {
        "number": "7",
        "name": "I/O CLOCK",
        "type": "input",
        "description": "External clock input that drives the serial conversion timing; the on-chip 4 MHz system clock runs independently of it."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input with an operating range of 3 V to 6.5 V per the features list and a 6.5 V absolute maximum."
      }
    ],
    "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: CS, DATA OUT and I/O CLOCK types (input/output) are inferred from the pin function table and timing ; The datasheet's electrical table lists VCC as 3 V min, 5 V typ, 6 V max, while the features list and; The pin table is a single table shared by XL549 (SOP8) and XD549 (DIP8) with no per-package pin draw"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0325,
        "at": "2026-10-18T23:35:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886318533791744",
        "pages": 6,
        "sha256": "d69dd73a48dd13c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "xl549.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "xl549-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b4452e5455737b4197ccdf4e017be17b6dee618ab689db98487f2025d3430589",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}