A low-power CMOS readout IC design for bolometer applications
Galioğlu, Arman and Abbasi, Shahbaz and Shafique, Atia and Ceylan, Ömer and Yazıcı, Melik and Kaynak, Mehmet and Durmaz, Emre Can and Arsoy, Elif Gül and Gürbüz, Yaşar (2017) A low-power CMOS readout IC design for bolometer applications. In: Infrared Technology and Applications XLIII, Anaheim, USA
Official URL: http://dx.doi.org/10.1117/12.2262459
A prototype of a readout IC (ROIC) designed for use in high temperature coefficient of resistance (TCR) SiGe microbolometers is presented. The prototype ROIC architecture implemented is based on a bridge with active and blind bolometer pixels with a capacitive transimpedance amplifier (CTIA) input stage and column parallel integration with serial readout. The ROIC is designed for use in high (≥ 4 %/K) TCR and high detector resistance Si/SiGe microbolometers with 17x17 μm2 pixel sizes in development. The prototype has been designed and fabricated in 0.25- μm SiGe:C BiCMOS process.
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