本文提出了一种新型的符合计算机与外围设备间通用串行接口 USB(Universal Serial Bus)2.0 高速模式(480Mb/s 数据传输率)的高精度接收器电路,并分析了其设计思路和设计方案。这种高精度接收器由三级电路组成:电压转换级、数据采样级和数据保持级。电路设计基于 TSMC 的 CMOS 0.25μm 混合信号模型。仿真结果表明,这种接收器在 500Mb/s 的信号传输速率下,将输入数据的上升和下降时间从 700ps 降至 140ps,提高了高速串行通信中采样数据的准确度,以保证可靠、正确接收数据。 This paper presents a new type of high precision receiver circuit that meets the USB (Universal Serial Bus) 2.0 high-speed mode (480Mb / s data transfer rate) between computer and peripheral devices, and analyzes its design ideas and design schemes . This high-precision receiver consists of three circuits: voltage conversion level, data sampling level and data retention level. Circuit Design TSMC Based CMOS 0.25μm Mixed Signal Model. Simulation results show that this receiver reduces the rise and fall time of input data from 700ps to 140ps at a signal transmission rate of 500Mb / s, which improves the accuracy of sampled data in high-speed serial communication to ensure reliable and correct Receive data.