Title :
Design of hybrid resistive-capacitive DAC for SAR A/D converters
Author :
Sedighi, Behnam ; Huynh, A.T. ; Skafidas, E. ; Micusik, D.
Author_Institution :
Dept. Electr. & Electron. Eng., Univ. of Melbourne, Parkville, VIC, Australia
Abstract :
While hybrid capacitive-resistive D/A Converter (DAC) has been known for many years, its potential for energy-efficient operation is sometimes overlooked. This paper investigates the utilization of hybrid DACs in successive-approximation register A/D converters. To improve energy efficiency of SAR ADCs, a new hybrid DAC is introduced. In an exemplar 10-bit 100-MS/s ADC, simulation results show that the energy efficiency and chip area (of passive devices) can be improved by more than an order of magnitude.
Keywords :
analogue-digital conversion; digital-analogue conversion; energy conservation; logic design; SAR A-D converters; SAR ADC energy efficiency; chip area; energy-efficient operation; hybrid resistive-capacitive DAC design; storage capacity 10 bit; successive-approximation register A-D converters; Capacitance; Capacitors; Energy efficiency; Noise; Power dissipation; Resistors; Switches;
Conference_Titel :
Electronics, Circuits and Systems (ICECS), 2012 19th IEEE International Conference on
Conference_Location :
Seville
Print_ISBN :
978-1-4673-1261-5
Electronic_ISBN :
978-1-4673-1259-2
DOI :
10.1109/ICECS.2012.6463697
