Cryogenic measurements of a digital pixel readout integrated circuit for LWIR

Atia Shafique; Melik Yazici; Huseyin Kayahan; Omer Ceylan; Yasar Gurbuz

doi:10.1117/12.2177550

4 June 2015 Cryogenic measurements of a digital pixel readout integrated circuit for LWIR

Atia Shafique, Melik Yazici, Huseyin Kayahan, Omer Ceylan, Yasar Gurbuz

Proceedings Volume 9451, Infrared Technology and Applications XLI; 94510X (2015) https://doi.org/10.1117/12.2177550
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

This paper presents and discusses the cryogenic temperature (77K) measurement results of a digital readout integrated circuit (DROIC) for a 32x32 long wavelength infrared pixel sensor array designed in 90nm CMOS process. The chip achieves a signal-to-noise ratio (SNR) of 58dB with a charge handling capacity of 2.03Ge- at cryogenic temperature with 1.3mW of power dissipation. The performance of the readout is discussed in terms of power dissipation, charge handling capacity and SNR considering the fact that the process library models are not optimized for cryogenic temperature operation of the Metal-Oxide-Semiconductor (MOS) devices. These results provide an insight to foresee the design confrontations due to non-optimized device models for cryogenic temperatures particularly for short channel devices

Citation Download Citation

Atia Shafique, Melik Yazici, Huseyin Kayahan, Omer Ceylan, and Yasar Gurbuz "Cryogenic measurements of a digital pixel readout integrated circuit for LWIR", Proc. SPIE 9451, Infrared Technology and Applications XLI, 94510X (4 June 2015); https://doi.org/10.1117/12.2177550

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