用于开关电容应用的低电压低功率快速沉降CMOS操作跨导放大器

Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03. Pub Date : 2003-08-25 DOI:10.1109/LPE.2003.1231910

M. Yavari, O. Shoaei

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引用次数: 51

摘要

本文提出了一种新型的全差分跨导运算放大器(OTA)，用于数字CMOS技术中的低压、快速沉降开关电容电路。提出的两级OTA是a /AB级混合，将折叠级联码作为第一级，将有源电流反射镜作为第二级。它采用混合级联补偿方案，合并了Ahuja和改进的Ahuja风格补偿，以实现快速沉降。

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Low-voltage low-power fast-settling CMOS operational transconductance amplifiers for switched-capacitor applications

This paper presents a new fully differential operational transconductance amplifier (OTA) for low-voltage and fast-settling switched-capacitor circuits in digital CMOS technology. The proposed two-stage OTA is a hybrid class A/AB that combines a folded cascode as the first stage with active current mirrors as the second stage. It employs a hybrid cascode compensation scheme, merged Ahuja and improved Ahuja style compensations, for fast settling.

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Proceedings of the 2003 International Symposium on Low Power Electronics and Design, 2003. ISLPED '03.

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