Three-channel CMOS transimpedance amplifier for LiDAR sensor receiver  

作　　者：LIU Ruqing ZHU Jingguo JIANG Yan LI Feng JIANG Chenghao MENG Zhe 

机构地区：[1]Photoelectric R&D Center,Academy of Opto-Electronics,Chinese Academy of Sciences,Beijing 100094,China

出　　处：《Journal of Systems Engineering and Electronics》2024年第1期74-80,共7页系统工程与电子技术（英文版）

摘　　要：For time-of-flight(TOF)light detection and ranging(LiDAR),a three-channel high-performance transimpedance amplifier(TIA)with high immunity to input load capacitance is presented.A regulated cascade(RGC)as the input stage is at the core of the complementary metal oxide semiconductor(CMOS)circuit chip,giving it more immunity to input photodiode detectors.A simple smart output interface acting as a feedback structure,which is rarely found in other designs,reduces the chip size and power consumption simultaneously.The circuit is designed using a 0.5μm CMOS process technology to achieve low cost.The device delivers a 33.87 dB?transimpedance gain at 350 MHz.With a higher input load capacitance,it shows a-3 dB bandwidth of 461 MHz,indicating a better detector tolerance at the front end of the system.Under a 3.3 V supply voltage,the device consumes 5.2 mW,and the total chip area with three channels is 402.8×597.0μm2(including the test pads).

关 键 词：transimpedance amplifier(TIA) three-channel regulated cascade(RGC) light detection and ranging(LiDAR) 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TN958.98[自动化与计算机技术—控制科学与工程]