Max5821

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This 2 channels I2C DAC (Digital to Analog Converter) is mounted as an option on some APF9328 boards. It is mounted in standard on the APF27Dev development boards.

MAX5821 on APF9328
MAX5821 on APF9328
Image:Max5821 on APF27Dev.jpg
MAX5821 on APF27Dev

Connections

On your Devlight/DevFull there are 3 signals to use the Max5821:

  • DAC_OUTA: corresponds to OUTA (pin 7) on Max5821. It's the first output.
  • DAC_OUTB: corresponds to OUTB (pin 8) on Max5821. It's the 2nd output.
  • DAC_REF: corresponds to REF (pin 6) on Max5821. It's the reference voltage (max value that will be achieved by outputs). This input should be connected to a voltage reference between 0 and 3,3V.

Linux Driver

Links

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