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author:

李锋 (李锋.) [1] | 黄世震 (黄世震.) [2] (Scholars:黄世震) | 林伟 (林伟.) [3] (Scholars:林伟)

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CQVIP

Abstract:

介绍一种用于流水线ADC的采样保持电路.该电路选取电容翻转式电路结构,不仅提高整体的转换速度,而且减少因电容匹配引起的失真误差;同时使用栅压自举采样开关,有效地减少了时钟馈通和电荷注入效应;采用全差分运算放大器能有效的抑制噪声并提高整体的线性度.该采样保持电路的设计是在0.5 μm CMOS工艺下实现,电源电压为5 V,采样频率为10 MHz,输入信号频率为1 MHz时,输出信号无杂散动态范围(SFDR)为73.4 dB,功耗约为20 mW.

Keyword:

全差分结构 栅压自举开关 采样保持电路

Community:

  • [ 1 ] [李锋]福州大学
  • [ 2 ] [黄世震]福州大学
  • [ 3 ] [林伟]福州大学

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Source :

电子器件

ISSN: 1005-9490

CN: 32-1416/TN

Year: 2010

Issue: 2

Volume: 33

Page: 170-173

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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