Resolved! DAC still works even when VDDA and VSSA pins are floating, but how ?
I am using the DAC on the NUCLEO-L433RC-P board for development and have also designed a custom PCB using the STM32L433.The DAC is used for audio voice prompts (12 bit, 44.1kHz stored in external flash) and fed into an audio amplifier (TI LM48100Q).H...