Infrared and Laser Engineering, Volume. 51, Issue 4, 20211113(2022)

1280 × 1024, 10 μm digital IRFPA readout integrated circuit design (Invited)

Shengyou Zhong... Libin Yao, Mingguo Fan and Zhengfen Li |Show fewer author(s)
Author Affiliations
  • Kunming Institute of Physics, Kunming 650223, China
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    Figures & Tables(15)
    Diagram of the 1280 × 1024, 10 μm DROIC
    Schematic of readout unit circuit
    Comparation of integrations between 3T and CTIA circuit
    Diagram of the second order Incremental Sigma-Delta modulator
    OTA with input stage offset cancellation circuit
    Floor plane of ADC array
    Diagram of 4-channel data transmission circuit
    Picture of the proposed 1280 × 1024, 10 μm DROIC
    Picture of the digital short-wave IRFPA
    Test result of the DROIC’s noise
    (a) Proposed 1280 × 1024, 10 μm DROIC’s column FPN test result; (b) Column FPN test result of 640 × 512, 15 μm DROIC mentioned in Ref. [6]
    Power consumption of the proposed DROIC’s all components
    Image1 captured by the 1280×1024 digital short-wave IRFPA
    Image2 captured by the 1280×1024 digital short-wave IRFPA
    • Table 1. Comparison of performance between different DROICs

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      Table 1. Comparison of performance between different DROICs

      ParameterThis workSCD cardinal 1 280 HD [10]SBF262 [4]
      Format1280 × 10241280 × 10241280 × 1024
      Pitch/μm101016
      Reading modeIWR/ITRIWR/ITRIWR/ITR
      ADC/bit141322
      Well capacity750 ke500 ke(Medium gain)450 ke
      Noise59 e170 e93 e
      Frame rate (max)/Hz100160200
      Power consumption165 mW @ 50 Hz 150 mW @ 60 Hz
      Power supply/V3.3/ 1.83.3/ 1.8
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    Shengyou Zhong, Libin Yao, Mingguo Fan, Zhengfen Li. 1280 × 1024, 10 μm digital IRFPA readout integrated circuit design (Invited)[J]. Infrared and Laser Engineering, 2022, 51(4): 20211113

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    Paper Information

    Category: Invited paper

    Received: Dec. 25, 2021

    Accepted: --

    Published Online: May. 18, 2022

    The Author Email:

    DOI:10.3788/IRLA20211113

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