Abstract
This chapter outlines the fundamental performance metrics and the dynamic characteristics of data converters. Nyquist-rate data converters which appropriately apply in the utilization of modern communications are introduced. The Nyquist-rate DAC, such as resistor string DAC, binary-weighted resistor DAC, charge redistribution DAC, and current steering DAC, are illustrated. And the Nyquist-rate ADC, such as flash ADC, folding ADC, two-step ADC, and pipelined ADC, are presented.