ADAU1401AWBSTZ

{
  "slug": "adau1401awbstz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices ADI, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "adau1401awbstz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adau1401awbstz.kicad_sym",
    "adau1401awbstz.kicad_mod",
    "adau1401awbstz.glb",
    "adau1401awbstz.step",
    "adau1401awbstz.lbr",
    "docs/hero.png",
    "docs/adau1401awbstz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adau1401awbstz-hero.glb",
    "adau1401awbstz-hero.overlay.json",
    "adau1401awbstz-etched.glb"
  ],
  "component": {
    "mpn": "ADAU1401AWBSTZ",
    "manufacturer": "Analog Devices",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "ADI",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1401A.pdf",
    "parts": {
      "symbol": "adau1401awbstz.kicad_sym",
      "footprint": "adau1401awbstz.kicad_mod",
      "model_3d": "adau1401awbstz-hero.glb",
      "model_3d_plain": "adau1401awbstz-etched.glb",
      "model_3d_step": "adau1401awbstz-etched.step",
      "model_3d_step_plain": "adau1401awbstz.step",
      "lbr": "adau1401awbstz.lbr"
    },
    "distributor_links": {
      "lcsc": "C208274",
      "digikey": "505-ADAU1401AWBSTZ-ND",
      "mouser": "584-ADAU1401AWBSTZ"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:51:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADAU1401AWBSTZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADAU1401AWBSTZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; AGND, DGND, and PGND can be tied together in a common ground plane and AGND should be decoupled to an AVDD pin with a 100 nF capacitor."
      },
      {
        "number": "2",
        "name": "ADC0",
        "type": "passive",
        "description": "Analog audio input 0 takes a 100 μA rms full-scale current input, and an 18 kΩ resistor gives a 2 V rms full-scale input."
      },
      {
        "number": "3",
        "name": "ADC_RES",
        "type": "passive",
        "description": "ADC reference current pin whose full-scale current is set by an external 18 kΩ resistor connected to ground."
      },
      {
        "number": "4",
        "name": "ADC1",
        "type": "passive",
        "description": "Analog audio input 1 takes a 100 μA rms full-scale current input, and an 18 kΩ resistor gives a 2 V rms full-scale input."
      },
      {
        "number": "5",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input that triggers reset on a high-to-low edge and exits reset on a low-to-high edge."
      },
      {
        "number": "6",
        "name": "SELFBOOT",
        "type": "input",
        "description": "Selects control port mode when low or self-boot when high, with self-boot initiated when the device leaves reset."
      },
      {
        "number": "7",
        "name": "ADDR0",
        "type": "input",
        "description": "I2C and SPI address bit 0 which, combined with ADDR1, allows up to four devices on one I2C bus."
      },
      {
        "number": "8",
        "name": "MP4/INPUT_LRCLK",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial input port LRCLK that clocks the SDATA_IN inputs and functions as slave only."
      },
      {
        "number": "9",
        "name": "MP5/INPUT_BCLK",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial input port BCLK that clocks the SDATA_IN inputs and functions as slave only."
      },
      {
        "number": "10",
        "name": "MP1/SDATA_IN1",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial input port data 1."
      },
      {
        "number": "11",
        "name": "MP0/SDATA_IN0",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial input port data 0, which also carries the TDM input data."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground that should be decoupled to a DVDD pin with a 100 nF capacitor."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "1.8 V digital supply that can be supplied externally or generated by the on-board regulator and should be decoupled to DGND with 100 nF."
      },
      {
        "number": "14",
        "name": "MP7/SDATA_OUT1",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial output port data 1."
      },
      {
        "number": "15",
        "name": "MP6/SDATA_OUT0/TDM_IN",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial output port data 0, which also serves as the TDM data input."
      },
      {
        "number": "16",
        "name": "MP10/OUTPUT_LRCLK",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial output port LRCLK that can operate as master or slave."
      },
      {
        "number": "17",
        "name": "VDRIVE",
        "type": "output",
        "description": "Drives the base of the external PNP transistor of the 1.8 V regulator and can be tied to ground if the regulator is unused."
      },
      {
        "number": "18",
        "name": "IOVDD",
        "type": "power_in",
        "description": "Supply for input and output pins that sets the highest digital input voltage and should always be set to 3.3 V."
      },
      {
        "number": "19",
        "name": "MP11",
        "type": "bidirectional",
        "description": "Multipurpose GPIO or serial output port BCLK, which can also provide a divided master clock."
      },
      {
        "number": "20",
        "name": "ADDR1/CDATA/WB",
        "type": "input",
        "description": "I2C address bit 1, SPI data input, and EEPROM writeback trigger that acts on a rising edge by default."
      },
      {
        "number": "21",
        "name": "CLATCH/WP",
        "type": "bidirectional",
        "description": "SPI latch signal, or self-boot EEPROM write protect as an open-collector output that should be pulled high to 3.3 V."
      },
      {
        "number": "22",
        "name": "SDA/COUT",
        "type": "bidirectional",
        "description": "I2C open-collector data line or SPI data output, and the I2C line requires a 2.2 kΩ pull-up resistor."
      },
      {
        "number": "23",
        "name": "SCL/CCLK",
        "type": "bidirectional",
        "description": "I2C open-collector clock or SPI clock, and the line requires a 2.2 kΩ pull-up resistor with voltage not exceeding IOVDD (3.3 V)."
      },
      {
        "number": "24",
        "name": "DVDD",
        "type": "power_in",
        "description": "1.8 V digital supply that should be decoupled to DGND with a 100 nF capacitor."
      },
      {
        "number": "25",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground that should be decoupled to a DVDD pin with a 100 nF capacitor."
      },
      {
        "number": "26",
        "name": "MP9/SDATA_OUT3/AUX_ADC0",
        "type": "bidirectional",
        "description": "Multipurpose GPIO, serial output port data 3, or auxiliary ADC input 0 with 3.0 V full-scale input."
      },
      {
        "number": "27",
        "name": "MP8/SDATA_OUT2/AUX_ADC3",
        "type": "bidirectional",
        "description": "Multipurpose GPIO, serial output port data 2, or auxiliary ADC input 3 with 3.0 V full-scale input."
      },
      {
        "number": "28",
        "name": "MP3/SDATA_IN3/AUX_ADC2",
        "type": "bidirectional",
        "description": "Multipurpose GPIO, serial input port data 3, or auxiliary ADC input 2 with 3.0 V full-scale input."
      },
      {
        "number": "29",
        "name": "MP2/SDATA_IN2/AUX_ADC1",
        "type": "bidirectional",
        "description": "Multipurpose GPIO, serial input port data 2, or auxiliary ADC input 1 with 3.0 V full-scale input."
      },
      {
        "number": "30",
        "name": "RSVD",
        "type": "passive",
        "description": "Reserved pin that must be tied to ground directly or through a pull-down resistor."
      },
      {
        "number": "31",
        "name": "OSCO",
        "type": "output",
        "description": "Crystal oscillator output that requires a 100 Ω damping resistor to the crystal and should not directly drive another IC."
      },
      {
        "number": "32",
        "name": "MCLKI",
        "type": "input",
        "description": "Master clock input that accepts a 3.3 V clock signal or the crystal oscillator circuit output."
      },
      {
        "number": "33",
        "name": "PGND",
        "type": "power_in",
        "description": "PLL ground that should be decoupled to PVDD with a 100 nF capacitor."
      },
      {
        "number": "34",
        "name": "PVDD",
        "type": "power_in",
        "description": "3.3 V supply for the PLL and auxiliary ADC analog section that should be decoupled to PGND with a 100 nF capacitor."
      },
      {
        "number": "35",
        "name": "PLL_LF",
        "type": "passive",
        "description": "PLL loop filter connection that requires two capacitors and a resistor as shown in Figure 15."
      },
      {
        "number": "36",
        "name": "AVDD",
        "type": "power_in",
        "description": "3.3 V analog supply that should be decoupled to AGND with a 100 nF capacitor."
      },
      {
        "number": "37",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground that should be decoupled to an AVDD pin with a 100 nF capacitor."
      },
      {
        "number": "38",
        "name": "PLL_MODE0",
        "type": "input",
        "description": "PLL mode setting bit 0 that sets the master clock PLL input frequency and should only be changed while RESET is held low."
      },
      {
        "number": "39",
        "name": "PLL_MODE1",
        "type": "input",
        "description": "PLL mode setting bit 1 that sets the master clock PLL input frequency and should only be changed while RESET is held low."
      },
      {
        "number": "40",
        "name": "CM",
        "type": "output",
        "description": "1.5 V common-mode reference that requires a 47 μF decoupling capacitor to ground and should not source current when used as a bias."
      },
      {
        "number": "41",
        "name": "FILTD",
        "type": "output",
        "description": "DAC filter decoupling pin at 1.5 V that requires a 10 μF capacitor to ground."
      },
      {
        "number": "42",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground that should be decoupled to an AVDD pin with a 100 nF capacitor."
      },
      {
        "number": "43",
        "name": "VOUT3",
        "type": "output",
        "description": "DAC3 output with a full-scale output voltage of 0.9 V rms."
      },
      {
        "number": "44",
        "name": "VOUT2",
        "type": "output",
        "description": "DAC2 output with a full-scale output voltage of 0.9 V rms."
      },
      {
        "number": "45",
        "name": "VOUT1",
        "type": "output",
        "description": "DAC1 output with a full-scale output voltage of 0.9 V rms."
      },
      {
        "number": "46",
        "name": "VOUT0",
        "type": "output",
        "description": "DAC0 output with a full-scale output voltage of 0.9 V rms."
      },
      {
        "number": "47",
        "name": "FILTA",
        "type": "output",
        "description": "ADC filter decoupling pin at 1.5 V that requires a 10 μF capacitor to ground."
      },
      {
        "number": "48",
        "name": "AVDD",
        "type": "power_in",
        "description": "3.3 V analog supply that should be decoupled to AGND with a 100 nF capacitor."
      }
    ],
    "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": [],
        "pages_sent": 23,
        "cost_usd": 0.055,
        "at": "2026-11-02T17:51:29"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1401A.pdf",
        "pages": 52,
        "sha256": "2a7bfd67c77449c4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adau1401awbstz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adau1401awbstz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "28c927f267c5ced2fe43a396cc29ae9605e27ab34d87a524a2e66720d14a7614",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}