VDAC output in 4V mode when PSoC 3/5 is operating at 3.3V

Question: If PSoC 3/5 is running at 3.3 V and VDAC is running in 4 V mode, what will be the expected output?

 

Answer:

Irrespective of the operating voltage, step size will be the same. But output will saturate at about Vdda – 100mV.