The Three Types of ADCs That Do Not Use a DAC

Multiple Choice

The three types of ADCs that do not use a DAC as part of the conversion process are:

A) flash ADC, digital- ramp ADC, and dual- slope ADC.
B) successive- approximation ADC, digital- ramp ADC, and dual- slope ADC.
C) flash ADC, voltage- to- frequency ADC, and dual- slope ADC.
D) digital- ramp ADC, tracking ADC, and dual- slope ADC.