Title :
Op amp tuning for high accuracy deep sub-micron CMOS analog circuits [voltage regulator example]
Author :
Falconi, Christian ; Guarino, Giuliano ; Amico, Arnaldo D.
Author_Institution :
Dept. of Electron. Eng., Tor Vergata Univ., Rome, Italy
Abstract :
As the minimum feature size shrinks, it becomes more and more difficult to design high accuracy CMOS analog circuits. Here, we show that circuits using multiple op amps may be significantly more accurate than their traditional counterparts, especially if op amps are properly "tuned".
Keywords :
CMOS analogue integrated circuits; circuit feedback; operational amplifiers; voltage regulators; feedback networks; high accuracy deep sub-micron CMOS analog circuits; multiple op amp circuits; voltage regulators; Analog circuits; CMOS analog integrated circuits; Circuit noise; Circuit optimization; Feedback loop; Frequency; Low-frequency noise; Operational amplifiers; Performance gain; Voltage;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1464566
