Title :
A 7.5mW, 11-bit continuous-time sigma-delta A/D converter for WLAN applications
Author :
Schoofs, R. ; Steyaert, Michiel ; Sansen, Willy
Author_Institution :
Dept. of ESAT-MICAS, Katholieke Universiteit Leuven
Abstract :
A third-order continuous-time DeltaSigma analog-to-digital converter is designed for the conversion of an input signal bandwidth of 10MHz. Design optimization towards minimal power consumption is demonstrated for the high-speed, low-power building blocks of the modulator. The presented converter achieves a dynamic range of 72dB and a signal-to-noise-and-distortion-ratio of 66dB. The modulator consumes 7.5mW. It is integrated in a 0.18mum standard CMOS technology and occupies an area of 1.65mm2
Keywords :
CMOS integrated circuits; circuit optimisation; continuous time systems; sigma-delta modulation; wireless LAN; 0.18 micron; 10 MHz; 11 bit; 66 dB; 7.5 mW; CMOS technology; WLAN applications; analog-to-digital converter; continuous time converter; sigma-delta A/D converter; Analog-digital conversion; Bandwidth; CMOS technology; Clocks; Delta-sigma modulation; Energy consumption; Filters; Power generation; Sampling methods; Wireless LAN;
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.2006.1693609
