AK4454VN

{
  "slug": "ak4454vn",
  "version": "0.1.0",
  "type": "component",
  "description": "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.",
  "tags": [
    "component",
    "data converters",
    "ak4454vn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "README.md",
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    "ak4454vn.glb",
    "ak4454vn.step",
    "ak4454vn.lbr",
    "docs/hero.png",
    "docs/ak4454vn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ak4454vn-hero.glb",
    "ak4454vn-hero.overlay.json",
    "ak4454vn-etched.glb"
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  "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",
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      "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": {
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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",
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        "sha256": "e8cd569902135ffc2fa42cdd915941892141dbf03a95787c28e75efd05f2f780",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}