A Monolithic Active Pixel Sensor with a novel readout architecture for vertex detector in particle physics

Abstract We present the design and preliminary test results of a MAPS sensor prototype MIC6_V1 based on a 55 nm Quad-well CMOS Image Sensor process for the CEPC vertex detector. In order to achieve high-spatial resolution, fast readout, and low power consumption, A new node-based, data-driven, parallel readout architecture was implemented in MIC6_V1. The integration time is 5 μ s, and by sharing VCO in a 4×2 pixel group (super pixel group), the hit arrival time resolution can reach 10 ns. The pixel size of MIC6_V1 is 23.6 μ m × 20 μ m. The pixel matrix is 64 rows by 64 columns, and the size of MIC6_V1 is 2.8mm × 2.8 mm. The readout node of each super pixel group in the double-column can transmit hit information of 8 pixels in parallel at a speed of 640 MHz. The power consumption of the chip is 15.6 mW.

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Publication Details

Journal
Journal of Instrumentation
Published
2025-03-01
DOI
https://doi.org/10.1088/1748-0221/20/03/c03019
Primary Topic
Particle Detector Development and Performance
Type
article
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article

A Monolithic Active Pixel Sensor with a novel readout architecture for vertex detector in particle physics

Wenjie Dai, Guangming Huang, Guoxiang Zhang, Le Xiao et al.
Journal of Instrumentation
Particle Detector Development and Performance
article

A Monolithic Active Pixel Sensor with a novel readout architecture for vertex detector in particle physics

Wenjie Dai, Guangming Huang, Guoxiang Zhang, Le Xiao, Zijie Zhou, Cong Zhao, C. Gao, Yang Zhou, D. Guo, Y. Lu, Ying Zhang, Lirong Xie, Ping Yang, Liwen Yi, Xiangming Sun, Jiajia Liu, Ziyang Tian, Bihui You, Qiaomu Tong, Wanhan Feng
article en

Abstract

Abstract We present the design and preliminary test results of a MAPS sensor prototype MIC6_V1 based on a 55 nm Quad-well CMOS Image Sensor process for the CEPC vertex detector. In order to achieve high-spatial resolution, fast readout, and low power consumption, A new node-based, data-driven, parallel readout architecture was implemented in MIC6_V1. The integration time is 5 μ s, and by sharing VCO in a 4×2 pixel group (super pixel group), the hit arrival time resolution can reach 10 ns. The pixel size of MIC6_V1 is 23.6 μ m × 20 μ m. The pixel matrix is 64 rows by 64 columns, and the size of MIC6_V1 is 2.8mm × 2.8 mm. The readout node of each super pixel group in the double-column can transmit hit information of 8 pixels in parallel at a speed of 640 MHz. The power consumption of the chip is 15.6 mW.

Journal of InstrumentationVol. 20(03)
Guangxi University (CN), Central China Normal University (CN), Institute of High Energy Physics (CN)
Openalex Percentile: Top 97%
Particle Detector Development and Performance
DOISourceOpenAlex
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A Monolithic Active Pixel Sensor with a novel readout architecture for vertex detector in particle physics — Wenjie Dai, Guangming Huang, et al. · Journal of Instrumentation (2025) | TGRS Research Map | TGRS