| Citation: |
Chen Lei, Zhao Yuanfu, Gao Deyuan, Wen Wu, Wang Zongmin, Zhu Xiaofei. A 16 bit Stereo Audio ΣΔ A/D Converter[J]. Journal of Semiconductors, 2006, 27(7): 1183-1188.
****
Chen L, Zhao Y F, Gao D Y, Wen W, Wang Z M, Zhu X F. A 16 bit Stereo Audio ΣΔ A/D Converter[J]. Chin. J. Semicond., 2006, 27(7): 1183.
|
A 16 bit Stereo Audio ΣΔ A/D Converter
-
Abstract
A 16 bit stereo audio novel stability fifth-order ΣΔ A/D converter that consists of switched capacitor ΣΔ modulators,a decimation filter,and a bandgap circuit is proposed.A method for the stabilization of a high order single stage ΣΔ modulator is also proposed.A new multistage comb filter is used for the front end decimation filter.The ΣΔ A/D converter achieves a peak SNR of 96dB and a dynamic range of 96dB.The ADC was implemented in 0.5μm 5V CMOS technology.The chip die area occupies only 4.1mm×2.4mm and dissipates 90mW. -
References
-
Proportional views
DownLoad: