Title :
Low-noise operational amplifiers using bipolar input transistors in a standard metal gate CMOS process
Author :
Gustafsson, S. ; Sundblad, R. ; Svensson, C.
Author_Institution :
Linkoeping University, LSI Design Centre, Linkoeping, Sweden
Abstract :
Two low-noise operational amplifiers have been designed. The amplifiers include a bipolar input stage which gives the advantage against conventional CMOS amplifiers of low noise and low offset. The op-amplifiers also show a low input current compared with other bipolar amplifiers.
Keywords :
differential amplifiers; field effect integrated circuits; linear integrated circuits; operational amplifiers; bipolar input transistors; differential amplifiers; input stage; linear IC; low offset; low-noise operational amplifiers; standard metal gate CMOS process;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840390
