Title :
A 1 V 88 dB 20 kHz ΣΔ modulator in 90 nm CMOS
Author :
Yao, Liangzhong ; Steyaert, M. ; Sansen, Willy
Author_Institution :
ESAT-MICAS, Katholieke Univ., Leuven, Belgium
Abstract :
A third-order single-loop SC ΣΔ modulator is realized in a standard 90 nm digital CMOS technology. The modulator achieves 88 dB dynamic range for a 20 kHz signal bandwidth with an OSR of 100. Power consumption is 140 μW from a 1 V supply, and the chip core size is 0.18 mm2.
Keywords :
CMOS integrated circuits; integrated circuit design; low-power electronics; sigma-delta modulation; switched capacitor networks; 1 V; 140 muW; 20 kHz; 90 nm; OSR; SC ΣΔ modulator; chip core size; digital CMOS technology; dynamic range; power consumption; signal bandwidth; third-order single-loop SC sigma-delta modulator; CMOS technology; Capacitance; Circuit topology; Delta modulation; Delta-sigma modulation; Digital circuits; Energy consumption; Mirrors; Rail to rail outputs; Switches;
Conference_Titel :
Solid-State Circuits Conference, 2004. Digest of Technical Papers. ISSCC. 2004 IEEE International
Print_ISBN :
0-7803-8267-6
DOI :
10.1109/ISSCC.2004.1332603
