Dynamic Offset Cancellation in Operational Amplifiers and Instrumentation Amplifiers

被引：0
|
作者：
Huijsing, Johan H. [1 ]
机构：
[1] Delft Univ Technol, Delft, Netherlands
来源：
ANALOG CIRCUIT DESIGN: HIGH-SPEED CLOCK AND DATA RECOVERY, HIGH-PERFORMANCE AMPLIFIERS, POWER MANAGEMENT | 2009年
关键词：
RAIL;
D O I：
10.1007/978-1-4020-8944-2_7
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper gives an overview of techniques that achieve low-offset, low-noise, and high accuracy in CMOS operational amplifiers (OA or OpAmp) and instrumentation amplifiers (IA or InstAmp). Auto-zero and chopper techniques are used apart and in combination with each other. Frequency-compensation techniques are shown that obtain straight roll-of amplitude characteristics in the multi-path architectures of chopper stabilized amplifiers. Therefore, these amplifiers can be used in standard feedback networks. Offset voltages lower than 1 mu V can be achieved.
引用
收藏
页码：99 / 123
页数：25
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