4.2. DAC with Serial Interface and Interpolation
4.2.1. DAC Serial Interface
The use of a serial data interface reduces the number of required FPGA pins and
increases signal integrity. For instance, the number of FPGA pins required is reduced by
a factor of 16 for each transmitting channel by using a serial interface DAC rather than a
16-bit parallel interface DAC. The characteristics of the serial and parallel interfaces are
compared in Table 1