Title :
A 1.8 V 14 b audio front end codec for digital cellular phones
Author :
Pernici, S. ; Pinna, C. ; Condemi, C. ; Confalonieri, P. ; Nagari, Angelo ; Nicollini, Germano
Author_Institution :
STMicroelectron., Milan, Italy
Abstract :
The next generation of portable phones requires electronic components that work with a lower supply voltage than that of present commercial products, to reduce power consumption and increase battery life. This 1.8 V, 7 mW cell includes all basic blocks of an audio codec for portable phones in 2.7 mm/sup 2/, using a 0.35 /spl mu/m, 5-metal double-poly technology. The cell satisfies the requirements that come from super-integration, such as portability and digital noise rejection, because it is placed in a digital system-level chip.
Keywords :
cellular radio; digital radio; low-power electronics; speech codecs; 0.35 micron; 1.8 V; 14 bit; 7 mW; audio front end; battery life; codec; digital cellular phones; digital noise rejection; digital system-level chip; double-poly technology; portability; power consumption; super-integration; supply voltage; Cellular phones; Codecs; Digital filters; Preamplifiers; Solid state circuits;
Conference_Titel :
Solid-State Circuits Conference, 1999. Digest of Technical Papers. ISSCC. 1999 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5126-6
DOI :
10.1109/ISSCC.1999.759208
