A Configurable Resolution Time-to-Digital Converter with Low PVT Sensitivity for LiDAR Applications

被引：0
|
作者：
Sheng, Duo [1 ]
Huang, Hao-Ting [1 ]
Liu, Ruey-Lin [1 ]
Cheng, Cheng-, I [1 ]
Wang, Xiao-Ti [1 ]
机构：
[1] Fu Jen Catholic Univ, Dept Elect Engn, New Taipei City 24205, Taiwan
来源：
ELECTRONICS | 2024年 / 13卷 / 15期
关键词：
time-to-digital converter; light detection and ranging; time of flight; time-correlated single-photon counting; all-digital delay-locked loop; LOW-POWER; TDC; OSCILLATOR; SENSOR; RANGE; SOC;
D O I：
10.3390/electronics13152923
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents an all-digital and configurable resolution time-to-digital converter (TDC) with low process-voltage-temperature (PVT) sensitivity for light detection and ranging (LiDAR) applications. The proposed TDC offers configurable resolution, allowing it to provide an appropriate conversion resolution according to the system's requirements, thereby optimizing overall system performance. In addition, because the proposed TDC has high immunity to process-voltage-temperature (PVT) variations, it provides more stable time-converting results. The proposed design uses 0.18 mu m CMOS technology, and the measurement results demonstrate a resolution ranging from 36 ps to 1193 ps, with a conversion range from 0.1 ns to 36 ns and an average error of 20.59 ps. Furthermore, the proposed TDC is implemented in an all-digital manner, making it highly suitable for system integration.
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页数：11
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