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集成电路CMOS制造工艺向纳米级尺度的不断发展,带来了低电压下模拟电路设计的种种困难,能将时域上的时间间隔信号直接转换为数字码的时间-数字转换器给这一问题的最终解决提供了一种新的可能方式。介绍了时间-数字转换器的工作原理以及历史上的发展过程,综述了其最新一代主要的几种结构类型,以及时间-数字转换器在当前国际上的研究进展,最后介绍了时间-数字转换器的发展趋势。
The continuous development of integrated circuit (CMOS) manufacturing processes to the nano-scale has led to difficulties in the design of analog circuits at low voltages, a time-to-digital converter that converts the time interval signals in the time domain directly into digital codes The final solution provides a new possible way. This paper introduces the working principle of time-to-digital converter and the historical development process. It also summarizes the main types of structures in the latest generation, as well as the research progress of the time-to-digital converter in the current international field. Finally, it introduces the time-to-digital conversion The development trend of the device.