SAR utilizes a built-in Digital to Analog Converter ... To get an idea of what’s going on open up the datasheet for an AFE and look at the block diagram or application diagram. Report comment ...

One example is a PIC16F1769, an 8-bit MCU with a 12-channel, 10-bit ADC and two 10-bit digital-to-analog converters ... This block diagram shows the PFC stage for an on-board charging system.