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A 40 nm CMOS analog front end with enhanced audio for HSPA/EDGE multimedia applications

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22 Author(s)
Xicheng Jiang ; Broadcom Corporation, Irvine, CA 92617 USA ; Min Gyu Kim ; Felix Cheung ; Fang Lin
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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.

Published in:

ESSCIRC (ESSCIRC), 2012 Proceedings of the

Date of Conference:

17-21 Sept. 2012