AK5552VN

{
  "slug": "ak5552vn",
  "version": "0.1.0",
  "type": "component",
  "description": "Asahi Kasei Microdevices Digital To Analog Converters (DACs), QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "ak5552vn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ak5552vn.kicad_sym",
    "ak5552vn.kicad_mod",
    "ak5552vn.glb",
    "ak5552vn.step",
    "ak5552vn.lbr",
    "docs/hero.png",
    "docs/ak5552vn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ak5552vn-hero.glb",
    "ak5552vn-hero.overlay.json",
    "ak5552vn-etched.glb"
  ],
  "component": {
    "mpn": "AK5552VN",
    "manufacturer": "Asahi Kasei Microdevices",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital To Analog Converters (DACs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6e494812eb76fcadd6755abc1a5c4c23.pdf",
    "parts": {
      "symbol": "ak5552vn.kicad_sym",
      "footprint": "ak5552vn.kicad_mod",
      "model_3d": "ak5552vn-hero.glb",
      "model_3d_plain": "ak5552vn-etched.glb",
      "model_3d_step": "ak5552vn-etched.step",
      "model_3d_step_plain": "ak5552vn.step",
      "lbr": "ak5552vn.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651617",
      "digikey": "974-1125-2-ND",
      "mouser": "412-AK5552VN"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T21:07:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "974-1125-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "412-AK5552VN",
        "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; must be connected to AVSS."
      },
      {
        "number": "3",
        "name": "VREFH1",
        "type": "input",
        "description": "ADC high-level voltage reference input; must not exceed AVDD+0.1 V and is specified at 4.5-5.5 V."
      },
      {
        "number": "4",
        "name": "AIN2N",
        "type": "input",
        "description": "Channel 2 negative analog input pin."
      },
      {
        "number": "5",
        "name": "AIN2P",
        "type": "input",
        "description": "Channel 2 positive analog input pin."
      },
      {
        "number": "6",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply for AIN1-2, 4.5-5.5 V."
      },
      {
        "number": "7",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground for AIN1-2."
      },
      {
        "number": "8",
        "name": "TESTIN1",
        "type": "passive",
        "description": "Test input pin 1; the datasheet gives no operating function for this pin."
      },
      {
        "number": "9",
        "name": "TESTIN2",
        "type": "passive",
        "description": "Test input pin 2; the datasheet gives no operating function for this pin."
      },
      {
        "number": "10",
        "name": "TESTIN3",
        "type": "passive",
        "description": "Test input pin 3; the datasheet gives no operating function for this pin."
      },
      {
        "number": "11",
        "name": "TESTIN4",
        "type": "passive",
        "description": "Test input pin 4; the datasheet gives no operating function for this pin."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal bonding; connect to AVSS."
      },
      {
        "number": "13",
        "name": "TESTIN5",
        "type": "passive",
        "description": "Test input pin 5; the datasheet gives no operating function for this pin."
      },
      {
        "number": "14",
        "name": "TESTIN6",
        "type": "passive",
        "description": "Test input pin 6; the datasheet gives no operating function for this pin."
      },
      {
        "number": "15",
        "name": "TEST",
        "type": "input",
        "description": "TEST enable pin."
      },
      {
        "number": "16",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input pin."
      },
      {
        "number": "17",
        "name": "TVDD",
        "type": "power_in",
        "description": "Digital I/O buffer and LDO power supply, 1.7-1.98 V when LDOE is L or 3.0-3.6 V when LDOE is H."
      },
      {
        "number": "18",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground pin; DVSS and AVSS must be connected to the same analog ground plane."
      },
      {
        "number": "19",
        "name": "VDD18",
        "type": "power_in",
        "description": "Digital core power supply, 1.7-1.98 V when LDOE is L; when LDOE is H this pin is the LDO stabilization capacitor connection and cannot supply external circuits."
      },
      {
        "number": "20",
        "name": "PDN",
        "type": "input",
        "description": "Reset and power-down pin: L resets and powers down the device, H is normal operation."
      },
      {
        "number": "21",
        "name": "PW0",
        "type": "input",
        "description": "Power management pin and channel summation select pin 1."
      },
      {
        "number": "22",
        "name": "PW1",
        "type": "input",
        "description": "Power management pin and channel summation select pin 2."
      },
      {
        "number": "23",
        "name": "PW2",
        "type": "input",
        "description": "Power management pin 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": "BICK is the audio serial data clock input in PCM slave mode and output in PCM master mode; DCLK is the DSD clock output in DSD mode; pin is pulled down by 100 kΩ internally."
      },
      {
        "number": "26",
        "name": "LRCK/DSDOL1",
        "type": "bidirectional",
        "description": "LRCK is the channel clock input in PCM slave mode and output in PCM master mode; DSDOL1 is the AIN1 serial data output in DSD mode; pin is pulled down by 100 kΩ internally."
      },
      {
        "number": "27",
        "name": "TDMIN/DSDOR1",
        "type": "bidirectional",
        "description": "TDMIN is the TDM data input in PCM mode; DSDOR1 is the AIN2 serial data output in DSD mode; pin is pulled down by 100 kΩ internally."
      },
      {
        "number": "28",
        "name": "SDTO1",
        "type": "output",
        "description": "Audio serial data output for AIN1 and AIN2 in PCM mode; output is L when powered down."
      },
      {
        "number": "29",
        "name": "TESTO1",
        "type": "output",
        "description": "Test output pin 1; high-impedance when powered down."
      },
      {
        "number": "30",
        "name": "OVF",
        "type": "output",
        "description": "Analog input overflow flag output; goes H when an analog input overflows (more than -0.3 dBFS) and is L when powered down."
      },
      {
        "number": "31",
        "name": "CKS0/SDA/CDTI",
        "type": "bidirectional",
        "description": "CKS0 is the clock mode select input; SDA is the I2C control data I/O (high-impedance when powered down); CDTI is the control data input in 3-wire mode."
      },
      {
        "number": "32",
        "name": "CKS1/CAD0_I2C/CSN",
        "type": "input",
        "description": "CKS1 is the clock mode select input; CAD0_I2C is the I2C chip address 0 pin; CSN is the 3-wire chip select input."
      },
      {
        "number": "33",
        "name": "CKS2/SCL/CCLK",
        "type": "input",
        "description": "CKS2 is the clock mode select input; SCL is the I2C control clock pin; CCLK is the 3-wire control clock input."
      },
      {
        "number": "34",
        "name": "CKS3/CAD1",
        "type": "input",
        "description": "CKS3 is the clock mode select input; CAD1 is the chip address 1 pin in I2C or 3-wire control mode."
      },
      {
        "number": "35",
        "name": "SLOW/DCKB",
        "type": "input",
        "description": "SLOW selects the slow roll-off digital filter in PCM mode; DCKB sets the DCLK polarity in DSD mode."
      },
      {
        "number": "36",
        "name": "SD/PMOD",
        "type": "input",
        "description": "SD selects the short-delay digital filter in PCM mode; PMOD selects the DSD phase modulation mode."
      },
      {
        "number": "37",
        "name": "DIF0/DSDSEL0",
        "type": "input",
        "description": "DIF0 selects the PCM audio format (L: MSB justified, H: I2S); DSDSEL0 controls the DSD sampling rate."
      },
      {
        "number": "38",
        "name": "DIF1/DSDSEL1",
        "type": "input",
        "description": "DIF1 selects the PCM data length (L: 24-bit, H: 32-bit); DSDSEL1 controls the DSD sampling rate."
      },
      {
        "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": "PSN selects I2C bus (L) or parallel (H) control when the I2C pin is H; CAD0_SPI is the chip address 0 pin in 3-wire mode when the I2C pin is L."
      },
      {
        "number": "42",
        "name": "I2C",
        "type": "input",
        "description": "Control mode select: L selects 3-wire serial control, H selects I2C bus or parallel control."
      },
      {
        "number": "43",
        "name": "DP",
        "type": "input",
        "description": "DSD mode enable: L selects PCM mode, H selects DSD mode."
      },
      {
        "number": "44",
        "name": "HPFE/DCKS",
        "type": "input",
        "description": "HPFE enables the digital high-pass filter in PCM mode (L: disable, H: enable); DCKS selects the master clock frequency in DSD mode."
      },
      {
        "number": "45",
        "name": "LDOE",
        "type": "input",
        "description": "LDO enable: L disables and H enables the internal LDO; pin is pulled down by 100 kΩ internally."
      },
      {
        "number": "46",
        "name": "ODP",
        "type": "input",
        "description": "Optimal data placement mode enable pin."
      },
      {
        "number": "47",
        "name": "AIN1P",
        "type": "input",
        "description": "Channel 1 positive analog input pin."
      },
      {
        "number": "48",
        "name": "AIN1N",
        "type": "input",
        "description": "Channel 1 negative analog input pin."
      },
      {
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Multi-function pins with both input and output functions in different modes; type set to bidirection; VDD18 is a supply input when LDOE is L but an LDO stabilization capacitor connection when LDOE is H;; Test input pins have no I/O direction or function given in the datasheet (listed with '-'); typed pa",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1021,
        "at": "2026-10-28T21:06:54"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6e494812eb76fcadd6755abc1a5c4c23.pdf",
        "pages": 70,
        "sha256": "fe291e7aec8567ce",
        "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": "ak5552vn.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ak5552vn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          7.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "854cbfa7d97d0d0a13bd9c8c81ed7b1f20b11e42c3113af395828439b58d9d4e",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "48-pin QFN",
      "source_page": 68,
      "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": "ak5552vn.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}