A low-power mixed-signal ASIC for readout of SiPM at cryogenic temperature
March 31, 2020
April 21, 2020
ALCOR is a mixed-signal ASIC developed to readout silicon photomultipliers at low temperature. The chip is designed in a 110 nm CMOS technology. Both single photon counting and Time-over-Threshold operating modes are supported. In single photon counting mode an event rate of up to 5 MHz per channel can be accommodated. The time resolution is 50 ps and the target power consumption is less than 5 mW per channel. The architecture of a first 32-channel prototype is described. Dedicated test structures to qualify critical building blocks at cryogenic temperature are reported.
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