一种精密双“电流反馈”运算放大器

Proceedings of the 1988 Bipolar Circuits and Technology Meeting, Pub Date : 1988-09-12 DOI:10.1109/BIPOL.1988.51047

D. Bowers

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引用次数: 28

摘要

描述了一种使用“电流反馈”方法的高速单片双运算放大器，该方法可以在许多应用中消除这种类型放大器固有的误差。这种方法的优点包括相对独立于增益的闭环带宽和非常高的自旋速率能力。缺点包括与传统运算放大器相比，直流性能大大降低。介绍了提高单个放大器直流性能的技术。

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A precision dual 'current feedback' operational amplifier

A high-speed monolithic dual operational amplifier using the 'current feedback' approach is described which enables errors inherent in this type of amplifier to cancel in many applications. The advantages of this approach include a closed-loop bandwidth relatively independent of gain and a very high slew-rate capability. The disadvantages include considerably reduced DC performance compared to a conventional operational amplifier. Techniques for improving the DC performance of the individual amplifiers are described.<>

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Proceedings of the 1988 Bipolar Circuits and Technology Meeting,

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