WM8231GEFL

{
  "slug": "wm8231gefl",
  "version": "0.1.0",
  "type": "component",
  "description": "Cirrus Logic Analog Front End (AFEs), QFN-56(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "wm8231gefl",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "wm8231gefl.kicad_sym",
    "wm8231gefl.kicad_mod",
    "wm8231gefl.glb",
    "wm8231gefl.step",
    "wm8231gefl.lbr",
    "docs/hero.png",
    "docs/wm8231gefl-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wm8231gefl-hero.glb",
    "wm8231gefl-hero.overlay.json",
    "wm8231gefl-etched.glb"
  ],
  "component": {
    "mpn": "WM8231GEFL",
    "manufacturer": "Cirrus Logic",
    "package": "QFN-56(8x8)",
    "pin_count": 57,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog Front End (AFEs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/90d5ae8711ed8ff4f459d2f32dbd1a87.pdf",
    "parts": {
      "symbol": "wm8231gefl.kicad_sym",
      "footprint": "wm8231gefl.kicad_mod",
      "model_3d": "wm8231gefl-hero.glb",
      "model_3d_plain": "wm8231gefl-etched.glb",
      "model_3d_step": "wm8231gefl-etched.step",
      "model_3d_step_plain": "wm8231gefl.step",
      "lbr": "wm8231gefl.lbr"
    },
    "distributor_links": {
      "lcsc": "C17693001"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:53:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VREF2C",
        "type": "output",
        "description": "Mid reference voltage output that must be connected to AGND via a decoupling capacitor."
      },
      {
        "number": "2",
        "name": "VRLC/VBIAS",
        "type": "bidirectional",
        "description": "Reference voltage input/output for the reset level clamp and bias."
      },
      {
        "number": "3",
        "name": "VREF3C",
        "type": "output",
        "description": "Lower reference voltage output that must be connected to AGND via a decoupling capacitor."
      },
      {
        "number": "4",
        "name": "VREF1C",
        "type": "output",
        "description": "Upper reference voltage output that must be connected to AGND via a decoupling capacitor."
      },
      {
        "number": "5",
        "name": "SEN",
        "type": "input",
        "description": "Enables the serial interface when high."
      },
      {
        "number": "6",
        "name": "SDO",
        "type": "output",
        "description": "Serial interface data output."
      },
      {
        "number": "7",
        "name": "SCK",
        "type": "input",
        "description": "Serial interface clock input."
      },
      {
        "number": "8",
        "name": "SDI",
        "type": "input",
        "description": "Serial interface data input."
      },
      {
        "number": "9",
        "name": "LDO2VDD",
        "type": "power_in",
        "description": "Analogue supply input for LDO2, 2.97 V to 3.63 V (3.3 V typical)."
      },
      {
        "number": "10",
        "name": "LDO2GND",
        "type": "power_in",
        "description": "Analogue ground for LDO2, intended to be at the same potential as AGND and DBGND."
      },
      {
        "number": "11",
        "name": "LDO2VOUT",
        "type": "power_out",
        "description": "LDO2 output that must be connected to AGND via a decoupling capacitor."
      },
      {
        "number": "12",
        "name": "DSLCT2",
        "type": "input",
        "description": "Device select 2 input."
      },
      {
        "number": "13",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input, 5 to 35 MHz."
      },
      {
        "number": "14",
        "name": "DSLCT1",
        "type": "input",
        "description": "Device select 1 input."
      },
      {
        "number": "15",
        "name": "D5N/OP[9]",
        "type": "output",
        "description": "LVDS data output 5 negative, or CMOS output 9."
      },
      {
        "number": "16",
        "name": "D5P/OP[8]",
        "type": "output",
        "description": "LVDS data output 5 positive, or CMOS output 8."
      },
      {
        "number": "17",
        "name": "D4N/OP[7]",
        "type": "output",
        "description": "LVDS data output 4 negative, or CMOS output 7."
      },
      {
        "number": "18",
        "name": "D4P/OP[6]",
        "type": "output",
        "description": "LVDS data output 4 positive, or CMOS output 6."
      },
      {
        "number": "19",
        "name": "DCLKN/OC[2]",
        "type": "output",
        "description": "LVDS clock output negative, or CMOS flag output."
      },
      {
        "number": "20",
        "name": "DCLKP/OC[1]",
        "type": "output",
        "description": "LVDS clock output positive, or CMOS clock output."
      },
      {
        "number": "21",
        "name": "DBGND",
        "type": "power_in",
        "description": "Digital ground, intended to be at the same potential as AGND and LDOGND, as differential voltages degrade performance."
      },
      {
        "number": "22",
        "name": "DBVDD",
        "type": "power_in",
        "description": "Supply input, 2.97 V to 3.63 V (3.3 V typical)."
      },
      {
        "number": "23",
        "name": "D3N/OP[5]",
        "type": "output",
        "description": "LVDS data output 3 negative, or CMOS output 5."
      },
      {
        "number": "24",
        "name": "D3P/OP[4]",
        "type": "output",
        "description": "LVDS data output 3 positive, or CMOS output 4."
      },
      {
        "number": "25",
        "name": "D2N/OP[3]",
        "type": "output",
        "description": "LVDS data output 2 negative, or CMOS output 3."
      },
      {
        "number": "26",
        "name": "D2P/OP[2]",
        "type": "output",
        "description": "LVDS data output 2 positive, or CMOS output 2."
      },
      {
        "number": "27",
        "name": "D1N/OP[1]",
        "type": "output",
        "description": "LVDS data output 1 negative, or CMOS output 1."
      },
      {
        "number": "28",
        "name": "D1P/OP[0]",
        "type": "output",
        "description": "LVDS data output 1 positive, or CMOS output 0."
      },
      {
        "number": "29",
        "name": "HZCTRL",
        "type": "input",
        "description": "Internal use only; must be connected to AGND."
      },
      {
        "number": "30",
        "name": "MON",
        "type": "output",
        "description": "Clock monitor output."
      },
      {
        "number": "31",
        "name": "LDO1VOUT",
        "type": "power_out",
        "description": "LDO1 output that must be connected to AGND via a decoupling capacitor."
      },
      {
        "number": "32",
        "name": "LDO1GND",
        "type": "power_in",
        "description": "Analogue ground for LDO1, intended to be at the same potential as AGND and DBGND."
      },
      {
        "number": "33",
        "name": "LDO1VDD",
        "type": "power_in",
        "description": "Analogue supply input for LDO1, 2.97 V to 3.63 V (3.3 V typical)."
      },
      {
        "number": "34",
        "name": "TGSYNC",
        "type": "bidirectional",
        "description": "Sensor timing sync pulse input/output."
      },
      {
        "number": "35",
        "name": "CLK1",
        "type": "output",
        "description": "Sensor timing output 1."
      },
      {
        "number": "36",
        "name": "CLK2",
        "type": "output",
        "description": "Sensor timing output 2."
      },
      {
        "number": "37",
        "name": "CLK3",
        "type": "output",
        "description": "Sensor timing output 3."
      },
      {
        "number": "38",
        "name": "CLK4",
        "type": "output",
        "description": "Sensor timing output 4."
      },
      {
        "number": "39",
        "name": "CLK5",
        "type": "output",
        "description": "Sensor timing output 5."
      },
      {
        "number": "40",
        "name": "CLK6",
        "type": "output",
        "description": "Sensor timing output 6."
      },
      {
        "number": "41",
        "name": "CLK7",
        "type": "output",
        "description": "Sensor timing output 7."
      },
      {
        "number": "42",
        "name": "CLK8",
        "type": "output",
        "description": "Sensor timing output 8."
      },
      {
        "number": "43",
        "name": "CLK9",
        "type": "output",
        "description": "Sensor timing output 9."
      },
      {
        "number": "44",
        "name": "CLK10",
        "type": "output",
        "description": "Sensor timing output 10."
      },
      {
        "number": "45",
        "name": "CLK11",
        "type": "output",
        "description": "Sensor timing output 11."
      },
      {
        "number": "46",
        "name": "AGND3",
        "type": "power_in",
        "description": "Analogue ground."
      },
      {
        "number": "47",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "48",
        "name": "IN2",
        "type": "input",
        "description": "Analogue input 2."
      },
      {
        "number": "49",
        "name": "AGND2",
        "type": "power_in",
        "description": "Analogue ground."
      },
      {
        "number": "50",
        "name": "AVDD2",
        "type": "power_in",
        "description": "Analogue supply input, 2.97 V to 3.63 V (3.3 V typical)."
      },
      {
        "number": "51",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "52",
        "name": "INP4",
        "type": "input",
        "description": "Analogue input 4."
      },
      {
        "number": "53",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "54",
        "name": "INP6",
        "type": "input",
        "description": "Analogue input 6."
      },
      {
        "number": "55",
        "name": "AVDD1",
        "type": "power_in",
        "description": "Analogue supply input, 2.97 V to 3.63 V (3.3 V typical)."
      },
      {
        "number": "56",
        "name": "AGND1",
        "type": "power_in",
        "description": "Analogue ground."
      },
      {
        "number": "57",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 MPN WM8231GEFL is not listed by name in the ordering table. Page 5 lists WM8231GEFL/V and WM8231; The page 5 pin configuration diagram is garbled in the text extraction. The pinout was taken from th; Pins 52 and 54 are named INP4 and INP6 in the pin table, while the block diagram shows only IN1 to I"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0344,
        "at": "2026-10-28T15:52:35"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/90d5ae8711ed8ff4f459d2f32dbd1a87.pdf",
        "pages": 143,
        "sha256": "c1ba6969e1e6c89a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 57,
        "described": 57,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "wm8231gefl.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          8.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "54eb482f12c9d8b70c1bfc78306a1c34f412f3556e225cbd097840e5abdb7981",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wm8231gefl-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          8.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "71957c28f4c385f94a422f0c9a938bd78477e5ebab972d314e1241504b8a9489",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}