1.8 V, 5.4 mW，数字音频/spl Sigma//spl Delta/调制器，1.2 /spl mu/m CMOS

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC Pub Date : 1996-02-08 DOI:10.1109/ISSCC.1996.488582

S. Rabii, B. Wooley

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引用次数: 7

摘要

这个实验性开关电容/spl Sigma//spl Delta/调制器在1.8 V电源下工作时，在直流到25 kHz的信号带宽下实现了92 dB的动态范围。电源电压与串联的两个电芯寿命结束时的电压一致。全差分电路集成在5 V, 1.2 /spl mu/m CMOS技术中，具有poly-n/sup +/电容器。

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A 1.8 V, 5.4 mW, digital-audio /spl Sigma//spl Delta/ modulator in 1.2 /spl mu/m CMOS

This experimental switched-capacitor /spl Sigma//spl Delta/ modulator achieves 92 dB dynamic range for a signal bandwidth of dc to 25 kHz while operating from 1.8 V supply. The supply voltage is consistent with the end-of-life of two battery cells in series. The fully-differential circuit has been integrated in a 5 V, 1.2 /spl mu/m CMOS technology with poly-n/sup +/ capacitors.

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来源期刊

1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC

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