Title :
A 40 nm CMOS analog front end with enhanced audio for HSPA/EDGE multimedia applications
Author :
Jiang, Xicheng ; Kim, Min Gyu ; Cheung, Felix ; Lin, Fang ; Zheng, Hui ; Chen, Jianlong ; Chen, Alex ; Cheung, Darwin ; Abdelfattah, Khaled ; Lee, Seong-Ho ; Huang, Hanson ; Kasichainula, Kishore ; Cong, Yonghua ; Wu, Jiangfeng ; Lee, Chang-Hyeon ; Chih,
Author_Institution :
Broadcom Corp., Irvine, CA, USA
Abstract :
A 40 nm CMOS analog front end (AFE) supporting HSPA/EDGE multimedia and enhanced audio applications is reported. The AFE consists of hi-fi audio and high-performance peripheral and auxiliary subsystems. Circuit techniques that enable a 200 μA audio RX path and a Class-AB driver with -80 dB THD are discussed. Audio playback and capture paths achieve 105 dB and 85 dB SNR, respectively.
Keywords :
3G mobile communication; CMOS analogue integrated circuits; Hi-Fi equipment; audio signal processing; multimedia communication; AFE; CMOS analog front end; EDGE multimedia application; HSPA multimedia application; audio RX path; audio playback; auxiliary subsystems; capture paths; circuit techniques; class-AB driver; current 200 muA; enhanced audio; hi-fi audio; high-performance peripheral; noise figure 105 dB; noise figure 85 dB; size 40 nm; Baseband; CMOS integrated circuits; Headphones; Monitoring; Multimedia communication; System-on-a-chip; Universal Serial Bus;
Conference_Titel :
ESSCIRC (ESSCIRC), 2012 Proceedings of the
Conference_Location :
Bordeaux
Print_ISBN :
978-1-4673-2212-6
Electronic_ISBN :
1930-8833
DOI :
10.1109/ESSCIRC.2012.6341343
