As the third-generation infrared focal plane technology,digital infrared focal plane detection has been studied widely in recent years.An infrared focal plane readout circuit that combines pixel-level digitization technology with TDI technology is proposed in the paper.The readout circuit can achieve a large dynamic range and low-power.The circuit is designed and simulated with 0.18μmCMOS process model in this paper.The charge processing capacity of the readout circuit can reach 5.04Ge-,the dynamic range is up to 101.5 dB,and the power consumption is only 95.8 mW working under long-wave integrated current application.
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袁媛,李敬国,胡月,于艳,徐长彬.一种高灵敏度数字化TDI型红外焦平面读出电路[J].激光与红外,2021,51(7):933~937 YUAN Yuan, LI Jing-guo, HU Yue, YU Yan, XU Chang-bin. A high sensitivity digital TDI infrared focal plane readout circuit[J]. LASER & INFRARED,2021,51(7):933~937