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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 3.3-V, 10-b, 25-MSample/s two-step ADC in 0.35-/spl mu/m CMOS
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A 3.3-V, 10-b, 25-MSample/s two-step ADC in 0.35-/spl mu/m CMOS

机译:3.3V,10b,25MSample / s两步ADC,采用0.35- / spl mu / m CMOS

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摘要

This paper describes the design of a two-step analog-to-digital converter (ADC). By using techniques such as improved switching and offset compensated amplifiers, the high-speed two-step architecture can be expanded toward high resolution. The ADC presented here achieves 9 ENOB with a spurious-free dynamic range of more than 72 dB, at a sample rate of 25 MSample/s. The ADC is realized in a 0.35-/spl mu/m mainstream CMOS process without options such as double poly. It measures 0.66 mm/sup 2/ and dissipates 195 mW from a 3.3-V power supply.
机译:本文介绍了两步式模数转换器(ADC)的设计。通过使用诸如改进的开关和偏移补偿放大器之类的技术,可以将高速两步体系结构扩展到高分辨率。此处介绍的ADC以25 MSample / s的采样率实现了9 ENOB,无杂散动态范围超过72 dB。 ADC采用0.35 / splμm/ m的主流CMOS工艺实现,而没有诸如double poly之类的选择。它的尺寸为0.66 mm / sup 2 /,从3.3V电源消耗的功率为195 mW。

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