Current mode read-out circuit for infrared photodiode applications in 0.35 μm cmos

Authors:
Pietro Maris Ferreira;José Gabriel Rodríguez Carneiro Gomes;Antonio Petraglia
Affiliations:
Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Venue:
Proceedings of the 21st annual symposium on Integrated circuits and system design
Year:
2008

Citing 2
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Design of Analog CMOS Integrated Circuits

Design of Analog CMOS Integrated Circuits
Focal-plane-arrays and CMOS readout techniques of infrared imaging systems

IEEE Transactions on Circuits and Systems for Video Technology

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Abstract

Infrared focal plane arrays have a wide range of military, medical, industrial and scientific applications, where high resolution and high performance read-out integrated electronics are required. This work advances a regulated cascode current mirror (RCCM) amplifier in 0.35 ¼m CMOS technology for application in hybrid CMOS-InGaAs implementations. With an output impedance of 236 k©, the RCCM produces and output noise power of 8.06 nA (RMS), to achieve a SNR of 77 dB and a dynamic range of 60 dB at -40 dB THD. Comparisons with alternative approaches considering key performance parameters are presented.