10-W single-chip class D power amplifier with very high efficiency for audio applications

被引：0
|
作者：
Choi, SC [1 ]
Lee, JW [1 ]
Jin, WK [1 ]
Moon, BK [1 ]
Kim, S [1 ]
机构：
[1] Korea Univ, Dept Elect Engn, Seoul 136701, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 1999年 / 35卷
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A one-chip integrated circuit (IC) of a 10-W class-D audio power amplifier with very high efficiency using CMOS technology is presented in this paper. A mixture of a class D output Stage and a bridge tied load (BTL) is the main topology of the proposed amplifier. The new 10-W IC audio power amplifier operates at 12 V with an efficiency of more than 90% and a total harmonic distortion (THD) of 0.1%. The amplifier is implemented in a 4-mu m double-metal, single-poly CMOS technology that is provided with relatively high voltage (12 V) MOSFETs.
引用
收藏
页码：S897 / S904
页数：8
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