A low-power piecewise linear analog to digital converter for use in particle tracking

This paper describes a low-power piecewise linear A/D converter. A 5 MHz @ 5 V with 25 mW power consumption prototype has been implemented in a 1.5 /spl mu/m CMOS process. The die area excluding pads is 5 mm/sup 2/. 11-bit absolute accuracy is obtained with a new DC offset plus charge-injection comp...

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Veröffentlicht in:	IEEE Transactions on Nuclear Science 1995-08, Vol.42 (4), p.772-775
Hauptverfasser:	Valencic, V., Anghinolfi, F., Deval, P., Bonino, R., La Marra, D., Kambara, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analog-digital conversion ANALOG-TO-DIGITAL CONVERTERS Applied sciences Capacitors CERN LHC Circuit properties Clocks Delay DESIGN Dynamic range Electric, optical and optoelectronic circuits Electronic circuits Electronics Energy consumption Exact sciences and technology Experimental methods and instrumentation for elementary-particle and nuclear physics INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS Nuclear physics PARTICLE ACCELERATORS PARTICLE IDENTIFICATION Particle tracking PARTICLE TRACKS Physics Piecewise linear techniques RADIATION DETECTORS Radiation detectors, dosimeters READOUT SYSTEMS Resistors Sampling methods Tracking and position-sensitive detectors
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Zusammenfassung:	This paper describes a low-power piecewise linear A/D converter. A 5 MHz @ 5 V with 25 mW power consumption prototype has been implemented in a 1.5 /spl mu/m CMOS process. The die area excluding pads is 5 mm/sup 2/. 11-bit absolute accuracy is obtained with a new DC offset plus charge-injection compensation technique used in the comparators scheme. This ADC with large dynamic range and high resolution is developed for the readout of a tracker and/or preshower in the future LHC experiments.< >
ISSN:	0018-9499 1558-1578
DOI:	10.1109/23.467793