A High-Rate Energy-Resolving Photon-Counting ASIC for Spectral Computed Tomography
- Gustavsson, Mikael
- Ul Amin, Farooq
- Bjorklid, Anders
- Ehliar, Andreas
- Xu, Cheng
- Svensson, Christer
Publication date
January 2012
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
We describe a high-rate energy-resolving photon-counting ASIC aimed for spectral computed tomography. The chip has 160 channels and 8 energy bins per channel. It demonstrates a noise level of ENC= electrons at 5 pF input load at a power consumption of andlt;5mW/channel. Maximum count rate is 17 Mcps at a peak time of 40 ns, made possible through a new filter reset scheme, and maximum read-out frame rate is 37 kframe/s.Funding Agencies|Erling-Persson family foundation (Familjen Erling-Perssons stiftelse)|
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