Title :
A 1.4V signal swing hybrid CLS-opamp/ZCBC pipelined ADC using a 300mV output swing opamp
Author :
Hershberg, B.P. ; Weaver, S.T. ; Un-Ku Moon
Author_Institution :
Oregon State Univ., Corvallis, OR, USA
Abstract :
A Hybrid CLS-opamp/ZCBC pipelined ADC is introduced to improve accuracy, robustness, and power efficiency. Fast and accurate residue amplification is achieved by invoking a short ZCBC operation followed by CLS-opamp settling. Measured ENOB is better than 11 b at sampling rate of 20 MHz.
Keywords :
CMOS integrated circuits; analogue-digital conversion; operational amplifiers; pipeline arithmetic; ENOB; correlated level-shifting; frequency 20 MHz; residue amplification; signal swing hybrid CLS-Opamp-ZCBC pipelined ADC; voltage 1.4 V; voltage 300 mV; voltage output swing opamp; zero-crossing based circuits; CMOS technology; Pipelines; Robustness; Sampling methods; Switches; Tail; Temperature; Testing; Timing; Voltage;
Conference_Titel :
Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-6033-5
DOI :
10.1109/ISSCC.2010.5433894
