component
WM8231GEFL
Public Made by Adomby adom
Cirrus Logic Analog Front End (AFEs), QFN-56(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871
{
"schema_version": 1,
"type": "component",
"slug": "wm8231gefl",
"title": "WM8231GEFL",
"brief": "Cirrus Logic Analog Front End (AFEs), QFN-56(8x8). 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",
"adc-dac-data conversion",
"wm8231gefl",
"factory-2.0.0",
"extractor-text"
],
"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,
8,
1
],
"zmin_mm": 0,
"centre_offset_mm": 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,
8,
1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "71957c28f4c385f94a422f0c9a938bd78477e5ebab972d314e1241504b8a9489",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Cirrus Logic",
"Package": "QFN-56(8x8)",
"Category": "ADC/DAC/Data Conversion",
"Pins": "57"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c1ba6969e1e6c89a1aac0dbd8d818a182d3a7a138dde40989b5efbc106dc46cf",
"rows": [
{
"name": "Operating temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Analogue supply voltage",
"symbol": "AVDD1-2",
"kind": "recommended_operating",
"unit": "V",
"min": 2.97,
"typ": 3.3,
"max": 3.63,
"conditions": "AVDD1-2, LDO1VDD-LDO2VDD, DBVDD",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Analogue supply voltage",
"symbol": "AVDD1-2",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5,
"conditions": "relative to GND (GND-0.3V to GND+5V)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Analogue grounds",
"symbol": "AGND1-3",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.3,
"conditions": "relative to GND (GND-0.3V to GND+0.3V)",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Analogue inputs (IN1-6)",
"symbol": "IN1-6",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max AVDD+0.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Other analogue pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max AVDD+0.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Digital I/O pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max AVDD+0.3V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Storage temperature after soldering",
"symbol": "",
"kind": "absolute_maximum",
"unit": "C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Conversion rate per channel",
"symbol": "",
"kind": "electrical",
"unit": "MSPS",
"min": 5,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Integral non-linearity (pk-pk/2)",
"symbol": "INL",
"kind": "electrical",
"unit": "LSB",
"min": -4,
"typ": null,
"max": 4,
"conditions": "10-bit",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Differential non-linearity",
"symbol": "DNL",
"kind": "electrical",
"unit": "LSB",
"min": -1.5,
"typ": null,
"max": 1.5,
"conditions": "10-bit",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Max gain, each channel (Ga)",
"symbol": "Ga MAX",
"kind": "electrical",
"unit": "V/V",
"min": 8,
"typ": 9.9,
"max": 11.43,
"conditions": "AGAIN[4:0] = 1F(hex)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Min gain, each channel (Ga)",
"symbol": "Ga MIN",
"kind": "electrical",
"unit": "V/V",
"min": 0.44,
"typ": 0.6,
"max": 0.77,
"conditions": "AGAIN[4:0] = 0(hex)",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Offset DAC output voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -400,
"typ": -250,
"max": -100,
"conditions": "Code 00(hex)",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Offset DAC output voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 100,
"typ": 250,
"max": 400,
"conditions": "Code FF(hex)",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Input return bias voltage",
"symbol": "VREF2C",
"kind": "electrical",
"unit": "V",
"min": 1.14,
"typ": 1.2,
"max": 1.26,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Diff. Reference voltage (VREF1C-VREF3C)",
"symbol": "VREF1C3C",
"kind": "electrical",
"unit": "V",
"min": 0.72,
"typ": 0.8,
"max": 0.88,
"conditions": "ADCFS=0",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Diff. Reference voltage (VREF1C-VREF3C)",
"symbol": "VREF1C3C",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": 1.2,
"max": 1.35,
"conditions": "ADCFS=1",
"source_page": 9,
"source": "datasheet"
},
{
"name": "VRLC input voltage range",
"symbol": "VRLC",
"kind": "electrical",
"unit": "V",
"min": 0.11,
"typ": null,
"max": 3,
"conditions": "SF_INP=0",
"source_page": 9,
"source": "datasheet"
},
{
"name": "VRLC input voltage range",
"symbol": "VRLC",
"kind": "electrical",
"unit": "V",
"min": 0.11,
"typ": null,
"max": 1.2,
"conditions": "SF_INP=1",
"source_page": 9,
"source": "datasheet"
},
{
"name": "High level input voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": null,
"conditions": "0.7 x AVDD",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Low level input voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.2,
"conditions": "0.2 x AVDD",
"source_page": 9,
"source": "datasheet"
},
{
"name": "High level input current",
"symbol": "IIH",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Low level input current",
"symbol": "IIL",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Data output skew",
"symbol": "tSKOP",
"kind": "timing",
"unit": "ps",
"min": -500,
"typ": null,
"max": 500,
"conditions": "MCLK=30MHz",
"source_page": 16,
"source": "datasheet"
},
{
"name": "LVDS output skew",
"symbol": "tSKLV",
"kind": "timing",
"unit": "ps",
"min": -250,
"typ": null,
"max": 250,
"conditions": "MCLK=35MHz",
"source_page": 16,
"source": "datasheet"
},
{
"name": "LVDS output signal rise time",
"symbol": "tLVTr",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 1,
"conditions": "MCLK=35MHz",
"source_page": 16,
"source": "datasheet"
},
{
"name": "LVDS output signal fall time",
"symbol": "tLVTf",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 1,
"conditions": "MCLK=35MHz",
"source_page": 16,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"wm8231gefl"
],
"discovery_pitch": "WM8231GEFL (Cirrus Logic) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"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"
],
"visibility": {
"public": true
}
}