GC1808

{
  "slug": "gc1808",
  "version": "0.1.0",
  "type": "component",
  "description": "SX-globalchip Analog To Digital Converters (ADCs), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "gc1808",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gc1808.kicad_sym",
    "gc1808.kicad_mod",
    "gc1808.glb",
    "gc1808.step",
    "gc1808.lbr",
    "docs/hero.png",
    "docs/gc1808-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gc1808-hero.glb",
    "gc1808-hero.overlay.json",
    "gc1808-etched.glb"
  ],
  "component": {
    "mpn": "GC1808",
    "manufacturer": "SX-globalchip",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e1ce0ec87b4e1b8e4ee91c67f98570ce.pdf",
    "parts": {
      "symbol": "gc1808.kicad_sym",
      "footprint": "gc1808.kicad_mod",
      "model_3d": "gc1808-hero.glb",
      "model_3d_plain": "gc1808-etched.glb",
      "model_3d_step": "gc1808-etched.step",
      "model_3d_step_plain": "gc1808.step",
      "lbr": "gc1808.lbr"
    },
    "distributor_links": {
      "lcsc": "C16197185"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T04:25:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "power_in",
        "description": "Reference voltage decoupling pin; the central voltage VREF is 0.5 VCC per the datasheet."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, referenced to 0 V with a tolerance of ±0.1 V relative to DGND."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Analog supply, recommended 4.5 V to 5.5 V (typical 5 V) with an absolute maximum of 6.5 V."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, recommended 2.7 V to 3.6 V (typical 3.3 V) with an absolute maximum of 4 V."
      },
      {
        "number": "5",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground, referenced to 0 V with a tolerance of ±0.1 V relative to AGND."
      },
      {
        "number": "6",
        "name": "SCKI",
        "type": "input",
        "description": "System clock input at 256 fS, 384 fS or 512 fS, with a range of 2.048 MHz to 49.152 MHz."
      },
      {
        "number": "7",
        "name": "LRCK",
        "type": "bidirectional",
        "description": "Audio data latch enable (word clock), an output in master mode and an input in slave mode that must be synchronous with SCKI."
      },
      {
        "number": "8",
        "name": "BCK",
        "type": "bidirectional",
        "description": "Audio bit clock, an output in master mode with 64 BCK per frame and an input in slave mode."
      },
      {
        "number": "9",
        "name": "DOUT",
        "type": "output",
        "description": "Digital audio data output, with a specified load capacitance of 20 pF maximum in the recommended conditions."
      },
      {
        "number": "10",
        "name": "MD0",
        "type": "input",
        "description": "Audio interface mode select 0, which together with MD1 selects master or slave mode and must be set before power-up."
      },
      {
        "number": "11",
        "name": "MD1",
        "type": "input",
        "description": "Audio interface mode select 1, which together with MD0 selects master or slave mode and must be set before power-up."
      },
      {
        "number": "12",
        "name": "FMT",
        "type": "input",
        "description": "Audio format select that switches between I2S and left-justified data formats, controllable by external GPIO or pull-up/pull-down resistors."
      },
      {
        "number": "13",
        "name": "VINL",
        "type": "input",
        "description": "Analog left channel input, single-ended with 3 Vp-p full scale at VCC = 5 V and an input impedance of 60 kΩ."
      },
      {
        "number": "14",
        "name": "VINR",
        "type": "input",
        "description": "Analog right channel input, single-ended with 3 Vp-p full scale at VCC = 5 V and an input impedance of 60 kΩ."
      }
    ],
    "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 datasheet gives only one package, TSSOP14, and its pin table (page 3) lists 14 pins by number an"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0165,
        "at": "2026-11-05T04:25:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e1ce0ec87b4e1b8e4ee91c67f98570ce.pdf",
        "pages": 17,
        "sha256": "775a3ac8deabe157",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gc1808.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gc1808-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c351546d3cda0c6b70abf37452e40268071b9cbcfaef227e6a4eb3e840c853e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}