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Multi-Channel Front-End Readout IC for Position Sensitive Solid-State Detectors

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5 Author(s)
Tumer, T.O. ; NOVA R&D, Inc., Riverside, CA ; Cajipe, V.B. ; Clajus, M. ; Hayakawa, S.
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A multi-channel front-end readout IC is developed for position sensitive solid-state detectors. It is called RENA-3. It has 36 low noise channels. Each channel has externally selectable input polarity. The channel inputs are optimized for 2 or 9 pF detector capacitance, which is externally selectable. It also has selectable dual energy range, 56K and 338K electrons (250 keV and 1.5 Mev for CZT, respectively). A fast trigger output is provided applications that require timing. A novel circuit produces arrival time difference measurement for each channel. It is developed to serve as front-end readout electronics for a variety of position-sensitive solid-state semiconductor detectors such as CdZnTe, Si, GaAs and HgI2. It also has flexibility for use with other types of solid-state detectors such as Ge, Se, PbI2 and CdTe in a multichannel strip or pixel geometry to detect and image X-rays and gamma-rays with energies up to 1.3 MeV. Also a novel register circuit and process allows nearest neighbor readout capability for pixel detectors. Combination of RENA-3 chips with a variety of semiconductor detectors would be suitable for numerous applications in astrophysics, nuclear physics, nuclear medicine, security and industrial imaging. Some possible applications include gamma camera, SPECT, small animal PET and SPECT, nuclear source detection and spectroscopy, space X-ray and gamma-ray astronomy missions, NDE and NDI.

Published in:

Nuclear Science Symposium Conference Record, 2006. IEEE  (Volume:1 )

Date of Conference:

Oct. 29 2006-Nov. 1 2006

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