CERN Accelerating science

Silicon strip detectors in the upgraded Tracker of LHCb experiment will require a new readout 128-channel ASIC called SALT. It will extract and digitise analogue signals from the sensor, perform digital processing and transmit serial output data. SALT is designed in CMOS 130 nm process and uses a novel architecture comprising of analogue front-end and ultra-low power ($<$0.5 mW) fast (40 MSps) sampling 6-bit ADC in each channel. A prototype of first 8-channel version of SALT chip, comprising all important functionalities, was submitted. Its design and possibly first tests results will be presented.

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