Analog Device ADAU1401

Is a SigmaDSP made by Analog Devices

Hardware

• ADAU1401 Page
• ADI ADAU1401 Datasheet.pdf
  • Vdd = 3.3v
  • 2 CAD, 4 DAC
• Pinout
  • Board
  • I2C to program using USBi
  • WP to GND to disable Write-Protection

SigmaStudio Software

• See Analog Devices SigmaStudio
• IO → Input → Input
  • Analog Inputs (ADC): Input 0…1 → IN_1...2 on the board
  • I2S: Input 2...3
    • GND → GND
    • Data = SDATA_IN0
    • WS = INPUT_LRCLK
    • Clock = INPUT_BCLK
• IO → Output → Output
  • Analog Outputs (DAC): DAC1...4 → OUT1...4 on the board

Examples

LED + Button

• Hardware Configuration
  • MP2 → Output GPIO for the built-in LED
• Schematic
  • On/Off Switch
  • General Purpose Output: GPIO_2