Title :
A low-power and low-complexity chopper-stabilized amplifier
Author :
Wang, K. ; Wu, Z.H. ; Zhao, M.J. ; Li, B.
Author_Institution :
Inst. of Microelectron., South China Univ. of Technol., Guangzhou, China
Abstract :
In this paper, a low-power, low-complexity chopper amplifier was proposed. The equivalent input noise and offset is reduced by using the chopper stabilization technique with a chopping frequency of 1.0 MHz. Based on a 0.35μm CMOS technology with power supply of 3.3V, the chopper amplifier was designed successfully with chip area of 0.02 mm2 and power of 0.25 mW and achieved the PSRR of 112 dB and the CMRR of 108 dB.
Keywords :
CMOS integrated circuits; amplifiers; CMOS technology; chopper amplifier; chopper stabilization; chopping frequency; low-complexity chopper-stabilized amplifier; low-power chopper-stabilized amplifier; CMOS integrated circuits; CMOS technology; Choppers; Frequency modulation; Noise; Power harmonic filters; CMOS chopper amplifier; Chopper stabilization technique; DC offset; flicker noise; low complexity; low power;
Conference_Titel :
Electron Devices and Solid-State Circuits (EDSSC), 2011 International Conference of
Conference_Location :
Tianjin
Print_ISBN :
978-1-4577-1998-1
Electronic_ISBN :
Pending
DOI :
10.1109/EDSSC.2011.6117635
