具有高度恒定信号行为的120nm CMOS全差分轨对轨I/O运放

2006 IEEE International SOC Conference Pub Date : 2006-09-01 DOI:10.1109/SOCC.2006.283831

W. Yan, H. Zimmermann

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引用次数: 1

摘要

本文提出了一种采用120 nm数字CMOS技术实现的全差分运放，其轨到轨输入共模范围采用恒定小信号和大信号行为控制的新颖方法实现。小信号响应改进到2.4%的极小偏差。此外，还设计了新的ab级轨对轨输出级，目标是高驱动能力，低至33Omega电阻负载，高功率传输效率和线性度。本文还介绍了一种改进的全差分运放大器测量电路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 120nm CMOS Fully Differential Rail-to-Rail I/O Opamp with Highly Constant Signal Behavior

This paper proposes a fully differential opamp implemented in 120 nm digital CMOS technology, with rail-to-rail input common-mode range, realized by a novel approach of constant small- and large-signal behavior control. The small-signal response is improved to an extremely slim deviation of 2.4%. Also a new class-AB rail-to-rail output stage is designed, targeting at high drive capability down to 33Omega resistive load, high power transfer efficiency and linearity. A modified measurement circuitry for fully differential opamps is introduced as well.

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2006 IEEE International SOC Conference

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