Title :
Low voltage class AB output stages for CMOS op-amps using floating capacitors
Author :
Carvajal, R.G. ; Torralba, A. ; Ramírez-Angulo, J. ; Tombs, J. ; Muñoz, F.
Author_Institution :
Dept. de Ing. Electron., Seville Univ., Spain
Abstract :
Two new class-AB output stages for CMOS op-amps are proposed with accurate quiescent current control using floating capacitors. The proposed stages can be operated with a low supply voltage. Simulation results are provided which are in good agreement with expected values
Keywords :
CMOS analogue integrated circuits; capacitors; low-power electronics; operational amplifiers; CMOS op-amps; expected values; floating capacitors; low voltage class AB output stages; quiescent current control; supply voltage; CMOS integrated circuits; Current control; Energy consumption; Low voltage; MOSFETs; Operational amplifiers; Switched capacitor circuits; Switches; Switching circuits; Threshold voltage;
Conference_Titel :
Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6685-9
DOI :
10.1109/ISCAS.2001.921776
