Often, the required output signal is another analog output signal, which requires a digital to analogconverter.
通常，要求的输出信号为另一个模拟输出信号，这就需要数模转换器。
2
As a special interface connected with analog and digital circuits, high performance analog-to-digitalconverter is much more important in whole system design.
作为模拟电路与数字电路的接口电路，高性能的模数转换器对整个设计系统的实现非常重要。
3
Digital to analogconverter, analog integrated filter, bandgap reference and high drive capability operational amplifier are indispensability basic circuit of communication system.