6.2.1 Conversion Range

The conversion range is between GND and the selected voltage reference. Available voltage references are:

  • Voltage supply (VDDANA)

  • Internal bandgap reference (INTREF)

  • Unbuffered External voltage reference (VREFPU)

  • Buffered External voltage reference (VREFPB)

Note: Internal references will be enabled by the driver, but not disabled. Any reference not used by the application should be disabled by the application.
The output voltage from a DAC channel is given as:
V O U T x = D A T A x 0 x 3F F × V R E F
The differential output voltage is given as:
V O U T = D A T A 0 0 x 1F F × V R E F = ( V O U T 0 - V O U T 1 )