120nm CMOS OPAMP, 690 MHz f/sub /和128 dB DC增益

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541607

Franz Schlögl, H. Zimmermann

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引用次数: 7

摘要

本文介绍了多级运算放大器的补偿方法。利用这种方法可以实现高增益和高速运算放大器。文中给出了一种单位增益频率为693 MHz、直流增益为128.8dB的高增益放大器的实例。高速沉降主要由米勒补偿主导，经过4个阶段实现。

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120nm CMOS OPAMP with 690 MHz f/sub T/ and 128 dB DC gain

In this paper, an advancement to compensate multistage operational amplifiers is presented. High-gain and highspeed operational amplifiers can be realized with this approach. One example of such a high-gain amplifier with a unity-gain frequency of 693 MHz and DC gain of 128.8dB is presented. The high-speed settling is mainly reached by dominant Miller compensation via 4 stages.

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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