Low-power SiPM readout BETA ASIC for space applications
Nuclear Science and Techniques, ISSN: 2210-3147, Vol: 35, Issue: 3
2024
- 3Citations
- 1Captures
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Article Description
The BETA application-specific integrated circuit (ASIC) is a fully programmable chip designed to amplify, shape and digitize the signal of up to 64 Silicon photomultiplier (SiPM) channels, with a power consumption of approximately ∼1 mW/channel. Owing to its dual-path gain, the BETA chip is capable of resolving single photoelectrons (phes) with a signal-to-noise ratio (SNR) >5 while simultaneously achieving a dynamic range of ∼4000 phes. Thus, BETA can provide a cost-effective solution for the readout of SiPMs in space missions and other applications with a maximum rate below 10 kHz. In this study, we describe the key characteristics of the BETA ASIC and present an evaluation of the performance of its 16-channel version, which is implemented using 130 nm technology. The ASIC also contains two discriminators that can provide trigger signals with a time jitter down to 400 ps FWHM for 10 phes. The linearity error of the charge gain measurement was less than 2% for a dynamic range as large as 15 bits.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85192100826&origin=inward; http://dx.doi.org/10.1007/s41365-024-01419-z; https://link.springer.com/10.1007/s41365-024-01419-z; http://sciencechina.cn/gw.jsp?action=cited_outline.jsp&type=1&id=7727754&internal_id=7727754&from=elsevier; https://dx.doi.org/10.1007/s41365-024-01419-z; https://link.springer.com/article/10.1007/s41365-024-01419-z
Springer Science and Business Media LLC
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