Infrared and Laser Engineering, Volume. 49, Issue 5, 20190491(2020)
Design of ultra-low-power readout circuit for 1 024×1 024 UV AlGaN focal plane arrays
Figures & Tables(9)
Fig. 1. System architecture for UV AlGaN FPA readout circuit with whole chip ESD protection
Fig. 7. Measurement results of 1 024×1 024 ROIC with eight outputs by acquisition card
Table 1. Comparision of power consumption
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Parameter Previous[ 11 ]This paper Array format 128×128 1 024×1 024 Pixel current/nA 499 8.5 Total power consumption/mW 49.2 67.3
Table 2. ROIC of UVFPA specifications
View tableView in ArticleTable 2. ROIC of UVFPA specifications
Parameter Measurement Array format 1 024×1 024 Pixel size 18 µm×18 µm Operate mode Snapshot Pixel current/nA 8.5 Power consumption 67.3 mW @2 MHz Frame rate 15 Hz(limited by speed of acquisition card) Integration capacitor Charge capacity 0.11 M e - at 10 fF &1.23 Me - at 110 fFOutput swing/V 1.8 Power supply/V 3.3 Chip area 19.30 mm×20.17 mm
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Xie Jing, Li Xiaojuan, Zhang Yan, Li Xiangyang. Design of ultra-low-power readout circuit for 1 024×1 024 UV AlGaN focal plane arrays[J]. Infrared and Laser Engineering, 2020, 49(5): 20190491
Paper Information
Category: 红外技术及应用
Received: Dec. 8, 2019
Accepted: Jan. 10, 2020
Published Online: Sep. 22, 2020
The Author Email: Jing Xie (xiejing@mail.sitp.ac.cn)
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