A/D转换技术的应用与发展

Application and Development of A/D Converters

首先分别介绍了当前六大模数转换技术的工作原理、电路结构、性能特点及应用领域,通过从转换速率、转换精度、分辨率、功耗、价格、面积等指标进行分析,将物理结构的设计与实际性能结合比较,总结出各自适合的应用领域.然后,根据对现有模数转换技术特点的分析及实际应用中对模数转换器性能的要求,对当前A/D转换技术向着高性能、低功耗、结构简单方向发展的趋势进行了预测.

Six current types of A/D converters were introduced,including working principle,circuit structure,performance characteristics and application field.Through analyzing the conversion rate,conversion accuracy,resolution,power consumption,price,size and other indicators,comparing the physical structure design with the actual performance,their appropriate applications were finally summed up.Then,based on the technical characteristics of the existing A/D converters and performance requirements in practical application of the A/D converters,the technology trends of higher performance,lower power and simpler structure on A/D converters are predicted.