Title :
Switched-capacitor track-and-hold amplifier with low sensitivity to op-amp imperfections
Author :
Yoshizawa, Hirokazu ; Temes, Gabor C.
Author_Institution :
Dept. of Electron. Eng., Saitama Inst. of Technol., Fukaya
Abstract :
A novel track-and-hold amplifier stage is described. It relies on continuous-time correlated double sampling to make the operation insensitive to amplifier imperfections. Simulations indicate that the circuit functions well even if the amplifier gain and bandwidth are low
Keywords :
operational amplifiers; sample and hold circuits; sampling methods; switched capacitor networks; amplifier imperfections; continuous-time correlated double sampling; op-amp imperfections; switched capacitor; track-and-hold amplifier; Bandwidth; Capacitors; Circuit noise; Circuit simulation; Clocks; Computer science; Feedback circuits; Operational amplifiers; Sampling methods; Voltage;
Conference_Titel :
Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on
Conference_Location :
Island of Kos
Print_ISBN :
0-7803-9389-9
DOI :
10.1109/ISCAS.2006.1693722
