AK5534VN

{
  "slug": "ak5534vn",
  "version": "0.1.0",
  "type": "component",
  "description": "Asahi Kasei Microdevices Pre-ordered Chips, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "ak5534vn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ak5534vn.kicad_sym",
    "ak5534vn.kicad_mod",
    "ak5534vn.glb",
    "ak5534vn.step",
    "ak5534vn.lbr",
    "docs/hero.png",
    "docs/ak5534vn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ak5534vn-hero.glb",
    "ak5534vn-hero.overlay.json",
    "ak5534vn-etched.glb"
  ],
  "component": {
    "mpn": "AK5534VN",
    "manufacturer": "Asahi Kasei Microdevices",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5b607938ca0295b3cd9286ac2482cc0c.pdf",
    "parts": {
      "symbol": "ak5534vn.kicad_sym",
      "footprint": "ak5534vn.kicad_mod",
      "model_3d": "ak5534vn-hero.glb",
      "model_3d_plain": "ak5534vn-etched.glb",
      "model_3d_step": "ak5534vn-etched.step",
      "model_3d_step_plain": "ak5534vn.step",
      "lbr": "ak5534vn.lbr"
    },
    "distributor_links": {
      "lcsc": "C2667243",
      "digikey": "974-1122-2-ND",
      "mouser": "412-AK5534VN"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:57:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "974-1122-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "412-AK5534VN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal bonding; connect to AVSS."
      },
      {
        "number": "2",
        "name": "VREFL1",
        "type": "input",
        "description": "ADC low-level voltage reference input, normally connected to AVSS."
      },
      {
        "number": "3",
        "name": "VREFH1",
        "type": "input",
        "description": "ADC high-level voltage reference input, 3.0-3.6 V and not above AVDD+0.1 V."
      },
      {
        "number": "4",
        "name": "AIN2N",
        "type": "input",
        "description": "Channel 2 negative analog input."
      },
      {
        "number": "5",
        "name": "AIN2P",
        "type": "input",
        "description": "Channel 2 positive analog input."
      },
      {
        "number": "6",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply for AIN1-4, 3.0-3.6 V."
      },
      {
        "number": "7",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground for AIN1-4."
      },
      {
        "number": "8",
        "name": "AIN3P",
        "type": "input",
        "description": "Channel 3 positive analog input."
      },
      {
        "number": "9",
        "name": "AIN3N",
        "type": "input",
        "description": "Channel 3 negative analog input."
      },
      {
        "number": "10",
        "name": "VREFH2",
        "type": "input",
        "description": "ADC high-level voltage reference input, 3.0-3.6 V and not above AVDD+0.1 V."
      },
      {
        "number": "11",
        "name": "VREFL2",
        "type": "input",
        "description": "ADC low-level voltage reference input, normally connected to AVSS."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal bonding; connect to AVSS."
      },
      {
        "number": "13",
        "name": "AIN4N",
        "type": "input",
        "description": "Channel 4 negative analog input."
      },
      {
        "number": "14",
        "name": "AIN4P",
        "type": "input",
        "description": "Channel 4 positive analog input."
      },
      {
        "number": "15",
        "name": "TEST",
        "type": "input",
        "description": "Test enable pin; connect to DVSS when unused."
      },
      {
        "number": "16",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input."
      },
      {
        "number": "17",
        "name": "TVDD",
        "type": "power_in",
        "description": "Digital I/O buffer and LDO supply, 1.7-1.98 V (LDOE=L) or 3.0-3.6 V (LDOE=H)."
      },
      {
        "number": "18",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD18",
        "type": "power_in",
        "description": "Digital core supply input 1.7-1.98 V when LDOE=L, or LDO stabilization capacitor connection when LDOE=H."
      },
      {
        "number": "20",
        "name": "PDN",
        "type": "input",
        "description": "Reset and power-down pin: L = reset/power down, H = normal operation."
      },
      {
        "number": "21",
        "name": "PW0",
        "type": "input",
        "description": "Power management and channel summation select pin 1."
      },
      {
        "number": "22",
        "name": "PW1",
        "type": "input",
        "description": "Power management and channel summation select pin 2."
      },
      {
        "number": "23",
        "name": "PW2",
        "type": "input",
        "description": "Power management and channel summation select pin 3."
      },
      {
        "number": "24",
        "name": "MSN",
        "type": "input",
        "description": "Master/slave select pin."
      },
      {
        "number": "25",
        "name": "BICK/DCLK",
        "type": "bidirectional",
        "description": "Audio serial data clock input (PCM slave) or output (PCM master), or DSD clock output in DSD mode; internal 100 kΩ pull-down."
      },
      {
        "number": "26",
        "name": "LRCK/DSDOL1",
        "type": "bidirectional",
        "description": "Channel clock input (PCM slave) or output (PCM master), or AIN1 DSD data output in DSD mode; internal 100 kΩ pull-down."
      },
      {
        "number": "27",
        "name": "TDMIN/DSDOR1",
        "type": "bidirectional",
        "description": "TDM data input in PCM mode or AIN2 DSD data output in DSD mode; internal 100 kΩ pull-down."
      },
      {
        "number": "28",
        "name": "SDTO1/DSDOL2",
        "type": "output",
        "description": "Audio serial data output for AIN1 and AIN2 in PCM mode, or AIN3 DSD output in DSD mode."
      },
      {
        "number": "29",
        "name": "SDTO2/DSDOR2",
        "type": "output",
        "description": "Audio serial data output for AIN3 and AIN4 in PCM mode, or AIN4 DSD output in DSD mode."
      },
      {
        "number": "30",
        "name": "OVF",
        "type": "output",
        "description": "Analog input overflow flag output."
      },
      {
        "number": "31",
        "name": "CKS0/SDA/CDTI",
        "type": "bidirectional",
        "description": "Clock mode select, I2C serial data I/O (SDA), or 3-wire control data input (CDTI)."
      },
      {
        "number": "32",
        "name": "CKS1/CAD0_I2C/CSN",
        "type": "input",
        "description": "Clock mode select, I2C chip address 0, or 3-wire chip select."
      },
      {
        "number": "33",
        "name": "CKS2/SCL/CCLK",
        "type": "input",
        "description": "Clock mode select, I2C control clock (SCL), or 3-wire control clock (CCLK)."
      },
      {
        "number": "34",
        "name": "CKS3/CAD1",
        "type": "input",
        "description": "Clock mode select or chip address 1 in I2C or 3-wire control mode."
      },
      {
        "number": "35",
        "name": "SLOW/DCKB",
        "type": "input",
        "description": "Slow roll-off digital filter select in PCM mode, or DCLK polarity in DSD mode."
      },
      {
        "number": "36",
        "name": "SD/PMOD",
        "type": "input",
        "description": "Short delay digital filter select in PCM mode, or DSD phase modulation mode select in DSD mode."
      },
      {
        "number": "37",
        "name": "DIF0/DSDSEL0",
        "type": "input",
        "description": "Audio format select in PCM mode (L: MSB justified, H: I2S), or DSD sampling rate control in DSD mode."
      },
      {
        "number": "38",
        "name": "DIF1/DSDSEL1",
        "type": "input",
        "description": "Audio data width select in PCM mode (L: 24-bit, H: 32-bit), or DSD sampling rate control in DSD mode."
      },
      {
        "number": "39",
        "name": "TDM0",
        "type": "input",
        "description": "TDM interface format select; must be fixed to L in DSD mode."
      },
      {
        "number": "40",
        "name": "TDM1",
        "type": "input",
        "description": "TDM interface format select; must be fixed to L in DSD mode."
      },
      {
        "number": "41",
        "name": "PSN/CAD0_SPI",
        "type": "input",
        "description": "Control mode select (L: I2C, H: parallel, when I2C pin=H) or chip address 0 in 3-wire mode (I2C pin=L)."
      },
      {
        "number": "42",
        "name": "I2C",
        "type": "input",
        "description": "Control mode select: L = 3-wire serial, H = I2C bus or parallel control."
      },
      {
        "number": "43",
        "name": "DP",
        "type": "input",
        "description": "DSD mode enable: L = PCM mode, H = DSD mode."
      },
      {
        "number": "44",
        "name": "HPFE/DCKS",
        "type": "input",
        "description": "High-pass filter enable (L: disable, H: enable), or master clock frequency select in DSD mode."
      },
      {
        "number": "45",
        "name": "LDOE",
        "type": "input",
        "description": "LDO enable (L: disable, H: enable); internal 100 kΩ pull-down."
      },
      {
        "number": "46",
        "name": "ODP",
        "type": "input",
        "description": "Optimal data placement mode enable."
      },
      {
        "number": "47",
        "name": "AIN1P",
        "type": "input",
        "description": "Channel 1 positive analog input."
      },
      {
        "number": "48",
        "name": "AIN1N",
        "type": "input",
        "description": "Channel 1 negative analog input."
      },
      {
        "number": "49",
        "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 printed pin number; 'EP' is a placeholder. The datasheet says it must be open; VDD18 is a supply input when LDOE=L and an LDO capacitor/output pin when LDOE=H; it is typed power_i; The pin direction depends on the mode (PCM master or slave, DSD, I2C), so bidirectional is used."
        ],
        "pages_sent": 20,
        "cost_usd": 0.1946,
        "at": "2026-10-30T11:56:57"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5b607938ca0295b3cd9286ac2482cc0c.pdf",
        "pages": 68,
        "sha256": "273d2eeb859c2a4c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ak5534vn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ak5534vn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4597e7f9dfdace33bd624d879bc5b9cde6224ca7cda689ec95ef89420854fe41",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "48-pin QFN",
      "source_page": 66,
      "D": {
        "nom_mm": 7.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 7.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.85,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ak5534vn.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}