使用开关电源供电的高速高精度模数转换电路设计

Use switching power supplies to power a high-precision ADC

使用开关电源供电,设计了电力测控装置高速高精度模数转换电路,提出了抗干扰措施,讨论了电路设计和优化方案。测试结果表明,开关电源加上后置滤波以及电路精心的设计和布局、布线,可以成为为高速ADC供电的高效率解决方案。

Using switching mode power supplies, a high-speed and high-precision ADC circuit is applied. The experimental results proved that switching power supply, combined with post-switcher filtering and careful optimal circuit design and layout practices, can be employed as a more efficient power solution for many high precision ADCs.