Sensroc13: A Mixed-Signal Binary-Out Front-End Readout Asic With Automatic Feedback Reset For Czt/Si-Pin Detectors

Z. Li, W. Gao,Y. Yao,B. Wang,P. Huang, Y. Xu,Y. Hu

2019 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (NSS/MIC)（2019）

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摘要

In this paper, we report the recent development of a high-count rate front-end readout ASIC for cadmium zinc telluride (CZT) and/or Si-PIN detectors. The readout circuits are implemented in TSMC 0.35 mu m mixed-signal CMOS process. The counting rate is up to 1 Mcps, and the equivalent noise charge is 57 e- +20 e- /pF under the power dissipation of 1.5 mW/channel. The proposed ASIC is well suitable for EPD and other radiation detection application.

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关键词

equivalent noise charge,counting rate,TSMC 0.35 μm mixed-signal CMOS process,readout circuits,cadmium zinc telluride,high-count rate front-end readout ASIC,automatic feedback reset,mixed-signal binary-out,SENSROC13,Si

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