component
AK4454VN
Public Made by Adomby adom
Asahi Kasei Microdevices Digital To Analog Converters (DACs), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "ak4454vn",
"title": "AK4454VN",
"brief": "Asahi Kasei Microdevices Digital To Analog Converters (DACs), QFN-32-EP(5x5). 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",
"data converters",
"ak4454vn",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AK4454VN",
"manufacturer": "Asahi Kasei Microdevices",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Data Converters",
"subcategory": "Digital To Analog Converters (DACs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6ad116c5d407b3f3fcc568badd2267ad.pdf",
"parts": {
"symbol": "ak4454vn.kicad_sym",
"footprint": "ak4454vn.kicad_mod",
"model_3d": "ak4454vn-hero.glb",
"model_3d_plain": "ak4454vn-etched.glb",
"model_3d_step": "ak4454vn-etched.step",
"model_3d_step_plain": "ak4454vn.step",
"lbr": "ak4454vn.lbr"
},
"distributor_links": {
"lcsc": "C2651619"
},
"distributor_check": {
"checked_at": "2026-10-23T18:29:56Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 870 calls left today"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "MCLK",
"type": "input",
"description": "External master clock input pin (Hi-Z in power-down state)."
},
{
"number": "2",
"name": "BICK/DCLK",
"type": "input",
"description": "Audio serial data clock input in PCM mode (BICK) or DSD clock input in DSD mode (DCLK)."
},
{
"number": "3",
"name": "LRCK/DSDL1",
"type": "input",
"description": "Input channel clock in PCM mode (LRCK) or audio serial data input in DSD mode (DSDL1)."
},
{
"number": "4",
"name": "SDTI1/DSDR1",
"type": "input",
"description": "Audio serial data input in PCM mode (SDTI1) or in DSD mode (DSDR1); must be tied to DVSS if unused."
},
{
"number": "5",
"name": "SDTI2/DSDL2",
"type": "input",
"description": "Audio serial data input in PCM mode (SDTI2) or in DSD mode (DSDL2); must be tied to DVSS if unused."
},
{
"number": "6",
"name": "DSDR2/TDMO1",
"type": "bidirectional",
"description": "DSD audio serial data input (DSDR2) or audio serial data output in Daisy Chain mode (TDMO1), with 100kΩ pull-down in power-down state; TDMO1 must be open if unused."
},
{
"number": "7",
"name": "DZF/SMUTE",
"type": "bidirectional",
"description": "Zero input detect output in I2C or 3-wire control mode (DZF), or soft mute input in Parallel control mode (SMUTE, H initiates soft mute); 100kΩ pull-down in power-down state, DZF must be open if unused."
},
{
"number": "8",
"name": "CAD1/DCHAIN",
"type": "input",
"description": "Chip address pin in I2C or 3-wire serial control mode (CAD1), or Daisy Chain mode select in Parallel control mode (DCHAIN)."
},
{
"number": "9",
"name": "SDA/CDTI/TDM0",
"type": "bidirectional",
"description": "Control data pin in I2C mode (SDA, I/O), control data input in 3-wire mode (CDTI), or TDM mode select in Parallel control mode (TDM0)."
},
{
"number": "10",
"name": "SCL/CCLK/TDM1",
"type": "input",
"description": "Control data clock in I2C mode (SCL) or 3-wire mode (CCLK), or TDM mode select in Parallel control mode (TDM1)."
},
{
"number": "11",
"name": "CAD0_I2C/CSN/DIF",
"type": "input",
"description": "Chip address 0 in I2C mode (CAD0_I2C), chip select in 3-wire mode (CSN), or audio data format select in Parallel mode (DIF: L = 32-bit MSB, H = 32-bit I2S)."
},
{
"number": "12",
"name": "PS/CAD0_SPI",
"type": "input",
"description": "Control mode select when I2C pin = H (PS: L = I2C bus serial control, H = Parallel control), or chip address 0 in 3-wire mode when I2C pin = L (CAD0_SPI)."
},
{
"number": "13",
"name": "I2C",
"type": "input",
"description": "Control mode select pin: L = 3-wire serial control mode, H = I2C bus serial control mode or Parallel control mode."
},
{
"number": "14",
"name": "AOUTL1P",
"type": "output",
"description": "L channel positive analog output 1 (Hi-Z in power-down); must be open if unused."
},
{
"number": "15",
"name": "AOUTL1N",
"type": "output",
"description": "L channel negative analog output 1 (Hi-Z in power-down); must be open if unused."
},
{
"number": "16",
"name": "VREFL1",
"type": "input",
"description": "Negative voltage reference input pin for DAC1, connected to AVSS."
},
{
"number": "17",
"name": "VREFH1",
"type": "input",
"description": "Positive voltage reference input pin for DAC1, connected to AVDD (VREFH min AVDD-0.5V)."
},
{
"number": "18",
"name": "AOUTR1N",
"type": "output",
"description": "R channel negative analog output 1 (Hi-Z in power-down); must be open if unused."
},
{
"number": "19",
"name": "AOUTR1P",
"type": "output",
"description": "R channel positive analog output 1 (Hi-Z in power-down); must be open if unused."
},
{
"number": "20",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground pin; must be connected to the same ground plane as DVSS."
},
{
"number": "21",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply pin, 3.0V to 5.5V."
},
{
"number": "22",
"name": "AOUTL2P",
"type": "output",
"description": "L channel positive analog output 2 (Hi-Z in power-down); must be open if unused."
},
{
"number": "23",
"name": "AOUTL2N",
"type": "output",
"description": "L channel negative analog output 2 (Hi-Z in power-down); must be open if unused."
},
{
"number": "24",
"name": "VREFH2",
"type": "input",
"description": "Positive voltage reference input pin for DAC2, connected to AVDD (VREFH min AVDD-0.5V)."
},
{
"number": "25",
"name": "VREFL2",
"type": "input",
"description": "Negative voltage reference input pin for DAC2, connected to AVSS."
},
{
"number": "26",
"name": "AOUTR2N",
"type": "output",
"description": "R channel negative analog output 2 (Hi-Z in power-down); must be open if unused."
},
{
"number": "27",
"name": "AOUTR2P",
"type": "output",
"description": "R channel positive analog output 2 (Hi-Z in power-down); must be open if unused."
},
{
"number": "28",
"name": "LDOE",
"type": "input",
"description": "Internal LDO enable pin: L = disable, H = enable."
},
{
"number": "29",
"name": "TVDD",
"type": "power_in",
"description": "Digital I/O power supply pin, 3.0V to 3.6V (1.7V to 3.6V per recommended operating conditions)."
},
{
"number": "30",
"name": "DVSS",
"type": "power_in",
"description": "Digital ground pin; must be connected to the same ground plane as AVSS."
},
{
"number": "31",
"name": "VDD18",
"type": "bidirectional",
"description": "LDO output pin when LDOE = H (connect to DVSS with 1.0µF), or 1.8V power input pin when LDOE = L (1.7V to 1.98V)."
},
{
"number": "32",
"name": "PDN",
"type": "input",
"description": "Power-down and reset pin; when L the device is powered down and control registers are reset to default."
},
{
"number": "33",
"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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed pad has no pin number in the datasheet; 'EP' is a placeholder. The datasheet says it mus; VDD18 is an LDO output when LDOE=H and a 1.8V input when LDOE=L, so it was typed bidirectional. Chec; The pin-configuration figure text on page 7 is garbled and its numbering looks offset from the Pin F"
],
"pages_sent": 20,
"cost_usd": 0.1723,
"at": "2026-10-23T18:29:21"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/6ad116c5d407b3f3fcc568badd2267ad.pdf",
"pages": 88,
"sha256": "116337ea1fe39b04",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "ak4454vn.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ak4454vn-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e8cd569902135ffc2fa42cdd915941892141dbf03a95787c28e75efd05f2f780",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Asahi Kasei Microdevices",
"Package": "QFN-32-EP(5x5)",
"Category": "Data Converters",
"Pins": "33"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ak4454vn"
],
"discovery_pitch": "AK4454VN (Asahi Kasei Microdevices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"files": [
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"visibility": {
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}
}