用于直接飞行时间测距传感器的5 Gbps低压差分信号驱动电路设计  

A5 Gbps LVDS Driver Circuit for DToF Sensor

作　　者：陈旭 王志亮[1] Chen Xu;Wang Zhiliang(School of Information Science and Technology,Nantong University,Nantong 226007,China)

机构地区：[1]南通大学信息科学技术学院,江苏南通226007

出　　处：《南开大学学报（自然科学版）》2024年第4期31-36,共6页Journal of Nankai University(Natural Sience)

基　　金：2022年度江苏省科技成果转化专项资金(BA2022001)。

摘　　要：为处理直接飞行时间测距传感器数据传输量大和高速低功耗传输的需求,提出一种新型低压差分信号驱动电路.该电路适用于1.8 V的供电电压,输出电压在0.9 V基准电压上摆动为350 mV.整个电路采用40nm CMOS工艺在平台Cadence Spectre完成后仿真.仿真结果表明该设计在不同工艺角、电源电压和温度下,传输速率均达到5 Gbps,最大抖动24 ps,最高功耗30.6 mW.该电路可以有效实现数据的高速低功耗传输.With the development of direct time of flight(DToF)detecting sensor,data of sensor needed to transmitted at high speed and low power consumption.A low-voltage differential signaling(LVDS)driver circuit for DToF is designed.The circuit works at 1.8 V,with an output voltage swing of 350 mV over an reference voltage of 0.9 V.Post-layout simulation of the circuit has completed in 40 nm CMOS process with Cadence Spectre.Simulation results show that:under different corners,temperature and supply voltage,transmission rate all reach 5 Gbps,the max jitter is 24 ps,the max power consumption is 30.6 mW.The design achieve high speed and low power transmission of data.

关 键 词：低压差分信号 驱动电路 高速串行接口 低功耗 预加重 

分 类 号：TN492[电子电信—微电子学与固体电子学]