Simulation results show that the whole oversampling D/A converter, the modified halfband filter and the novel analog switch are fully functional and suitable for digital audio applications.

• 本文所设计的过采样D/A转换器，以及所提出的优化子滤波器级联结构和MOS模拟开关均通过仿真验证，满足数字音频应用的要求。