进一步的分析还表明，该公式完全适合于差动输入的仪器放大器。

Furthermore, advanced analysis shows that this formula is completely suitable for differential amplifiers of instruments.

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本文简要概述了单片仪器放大器AD620的结构原理及其性能特点和主要关系曲线，并给出了一些典型应用。

This paper introduces the principles of IN AMP chip AD620, and the feature parameters and main characterial curves, it also presents some typical application circuits.

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此类放大器具有通用性强、软件编制容易，精度高等优点，可广泛运用于低频智能仪器及工业控制中。

These types of amplifiers have the characterristics of being universal, easy to program and high accuracy. They can be applied in low-frequency in. tellegent instruments and industry control systems.

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