component
AK5522VN
Public Made by Adomby adom
Asahi Kasei Microdevices Analog To Digital Converters (ADCs), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "AK5522VN",
"brief": "Asahi Kasei Microdevices Analog To Digital Converters (ADCs), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"package": "VQFN-24-EP(4x4)",
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"category": "Data Converters",
"subcategory": "Analog To Digital Converters (ADCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6da74b7f8f227cb1e08901adfb246a50.pdf",
"parts": {
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"digikey": "974-1164-2-ND",
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"pins": [
{
"number": "1",
"name": "CKS3/SDA",
"type": "bidirectional",
"description": "Clock mode select pin in parallel control mode, and control data I/O pin for the I2C bus in serial control mode."
},
{
"number": "2",
"name": "PDN",
"type": "input",
"description": "Reset and power-down pin; setting it to L enters power-down mode and resets the digital filters."
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{
"number": "3",
"name": "CKS1",
"type": "input",
"description": "Clock mode select pin in parallel control mode; connect to DVSS in serial control mode."
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{
"number": "4",
"name": "SD",
"type": "input",
"description": "Digital filter select pin in parallel control mode: L selects Sharp Roll-Off, H selects Short Delay Sharp Roll-Off."
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{
"number": "5",
"name": "PSN",
"type": "input",
"description": "Control mode select pin: L selects serial control mode, H selects parallel control mode."
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{
"number": "6",
"name": "DIF",
"type": "input",
"description": "Data format select pin in parallel control mode: L selects MSB justified, H selects I2S compatible; connect to DVSS in serial control mode."
},
{
"number": "7",
"name": "LINP",
"type": "input",
"description": "L channel positive signal input pin; leave open when unused."
},
{
"number": "8",
"name": "LINN",
"type": "input",
"description": "L channel negative signal input pin; leave open when unused."
},
{
"number": "9",
"name": "RINN",
"type": "input",
"description": "R channel negative signal input pin; leave open when unused."
},
{
"number": "10",
"name": "RINP",
"type": "input",
"description": "R channel positive signal input pin; leave open when unused."
},
{
"number": "11",
"name": "VREF",
"type": "power_in",
"description": "Internal reference voltage decoupling pin; decouple to AVSS with a 1µF ±50% capacitor."
},
{
"number": "12",
"name": "LOOP",
"type": "output",
"description": "PLL loop filter connect pin; connect to AVSS with a 0.01µF ±50% capacitor."
},
{
"number": "13",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground pin."
},
{
"number": "14",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply pin; 3.0 - 3.6V or 4.5 - 5.5V."
},
{
"number": "15",
"name": "REGAO",
"type": "output",
"description": "Regulator output for external DAC: 3.3V typ. when AVDD is 4.5 - 5.5V, low when AVDD is 3.0 - 3.6V; connect to AVSS with a 10µF ±50% capacitor and decouple the external DAC supply with 10µF and 0.1µF in parallel."
},
{
"number": "16",
"name": "DVSS",
"type": "power_in",
"description": "Digital ground pin."
},
{
"number": "17",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply pin; 3.0 - 3.6V (or 1.7 - 1.98V with REGDO tied to DVDD)."
},
{
"number": "18",
"name": "MCLK",
"type": "bidirectional",
"description": "Master clock input in EXT Master, EXT Slave and PLL Master modes, or master clock output in PLL Slave mode; pulled down to DVSS internally with 100kΩ."
},
{
"number": "19",
"name": "REGDO",
"type": "bidirectional",
"description": "Regulator stabilization capacitor connect pin: at DVDD 3.0 - 3.6V it outputs 1.8V typ. and needs a 1µF ±50% capacitor to DVSS; at DVDD 1.7 - 1.98V connect it to DVDD."
},
{
"number": "20",
"name": "LRCK",
"type": "bidirectional",
"description": "Channel clock input in slave mode or channel clock output in master mode; pulled down to DVSS internally with 100kΩ."
},
{
"number": "21",
"name": "BICK",
"type": "bidirectional",
"description": "Audio serial data clock input in slave mode or output in master mode; pulled down to DVSS internally with 100kΩ."
},
{
"number": "22",
"name": "SDTO",
"type": "output",
"description": "Audio serial data output pin."
},
{
"number": "23",
"name": "CKS0/TDMI",
"type": "input",
"description": "Clock mode select pin in parallel control mode, and TDM data input pin in TDM mode (connect to DVSS when not used in TDM mode)."
},
{
"number": "24",
"name": "CKS2/SCL",
"type": "input",
"description": "Clock mode select pin in parallel control mode, and control clock input for the I2C bus in serial control mode."
},
{
"number": "25",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
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"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",
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"extractor flagged: Package mismatch: the hint says VQFN-24-EP(4x4), but the datasheet only says '24-pin QFN 4mmx4mm, 0.; Multi-mode pins typed as bidirectional by judgment: MCLK, REGDO, LRCK and BICK change between input ; Text extraction dropped the micro symbol: capacitor values appear as '1F', '0.01F', '10F' in the sou",
"exposed pad 25 added from the footprint"
],
"pages_sent": 24,
"cost_usd": 0.114,
"at": "2026-10-31T00:03:20"
},
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"sha256": "39678e10998d6f18",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 25,
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"Package": "VQFN-24-EP(4x4)",
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"name": "Digital input voltage",
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"max": null,
"conditions": "Note 5 pins; max is lower of VD+0.3 or 6.0 V (Note 6)",
"source_page": 7,
"source": "datasheet"
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{
"name": "Ambient temperature (power applied)",
"symbol": "Ta",
"kind": "absolute_maximum",
"unit": "C",
"min": -40,
"typ": null,
"max": 105,
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"name": "Analog supply (AVDD)",
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"source_page": 7,
"source": "datasheet"
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"name": "Digital supply (DVDD)",
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"max": 3.6,
"conditions": "Using internal regulator",
"source_page": 7,
"source": "datasheet"
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"name": "Digital supply (DVDD)",
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"kind": "recommended_operating",
"unit": "V",
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"typ": 1.8,
"max": 1.98,
"conditions": "Not using internal regulator",
"source_page": 7,
"source": "datasheet"
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{
"name": "Digital regulator output (REGDO)",
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"typ": 1.8,
"max": 1.98,
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"source_page": 7,
"source": "datasheet"
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{
"name": "Input Voltage (ADC full-scale)",
"symbol": "",
"kind": "electrical",
"unit": "Vrms",
"min": 2,
"typ": 2.1,
"max": 2.2,
"conditions": "Analog Power Supply=5.0V, Ta=25C, DVDD=3.3V; Gain=0dB (Note 8)",
"source_page": 8,
"source": "datasheet"
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{
"name": "S/(N+D) fs=48kHz BW=20kHz 1dBFS",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 92,
"typ": 98,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C, DVDD=3.3V; fs=48kHz; BW=20kHz; 1dBFS",
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{
"name": "Dynamic Range (60dBFS, A-weighted)",
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"min": 103,
"typ": 108,
"max": null,
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{
"name": "Dynamic Range (60dBFS)",
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"min": 98,
"typ": 103,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C, DVDD=3.3V; fs=96kHz, 192kHz; BW=40kHz",
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{
"name": "S/N (A-weighted)",
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"min": 103,
"typ": 108,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C, DVDD=3.3V; fs=48kHz; BW=20kHz",
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"source": "datasheet"
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"name": "S/N",
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"min": 98,
"typ": 103,
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"conditions": "Analog Power Supply=5.0V, Ta=25C, DVDD=3.3V; fs=96kHz, 192kHz; BW=40kHz",
"source_page": 8,
"source": "datasheet"
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{
"name": "Input Resistance, Full Differential",
"symbol": "",
"kind": "electrical",
"unit": "k",
"min": 5,
"typ": 8.5,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C; Gain=+12dB",
"source_page": 8,
"source": "datasheet"
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{
"name": "Input Resistance, Full Differential",
"symbol": "",
"kind": "electrical",
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"min": 10,
"typ": 20.7,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C; Gain=0dB",
"source_page": 8,
"source": "datasheet"
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{
"name": "Input Resistance, Full Differential",
"symbol": "",
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"min": 10,
"typ": 23.8,
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"conditions": "Analog Power Supply=5.0V, Ta=25C; Gain=3dB",
"source_page": 8,
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{
"name": "Input Resistance, Pseudo Differential / Single End",
"symbol": "",
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"min": 5,
"typ": 14,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C; Gain=+12dB",
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"source": "datasheet"
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"name": "Input Resistance, Pseudo Differential / Single End",
"symbol": "",
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"min": 10,
"typ": 27.3,
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"name": "Input Resistance, Pseudo Differential / Single End",
"symbol": "",
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"min": 10,
"typ": 30.3,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C; Gain=3dB",
"source_page": 8,
"source": "datasheet"
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{
"name": "Interchannel Isolation",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 110,
"typ": 120,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C",
"source_page": 8,
"source": "datasheet"
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{
"name": "Interchannel Gain Mismatch",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 0,
"max": 0.5,
"conditions": "Analog Power Supply=5.0V, Ta=25C",
"source_page": 8,
"source": "datasheet"
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{
"name": "Common Mode Rejection Ratio (CMRR)",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 55,
"typ": 80,
"max": null,
"conditions": "Analog Power Supply=5.0V, Ta=25C",
"source_page": 8,
"source": "datasheet"
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{
"name": "VREF pin Output Voltage",
"symbol": "",
"kind": "electrical",
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"min": 3.72,
"typ": 3.92,
"max": 4.12,
"conditions": "Analog Power Supply=5.0V, Ta=25C",
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"source": "datasheet"
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{
"name": "Regulator for External DAC Output Voltage",
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"min": 3,
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"source": "datasheet"
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{
"name": "Regulator for External DAC Output Current",
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{
"name": "Power Supply Current, Normal Operation AVDD",
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"max": 18,
"conditions": "Analog Power Supply=5.0V; PDN pin = H (Note 10: PLL master mode, PLL3-0 = 0101b)",
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"name": "Power Supply Current, Normal Operation DVDD (fs=48kHz)",
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"name": "Power Supply Current, Normal Operation DVDD (fs=96kHz)",
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