一种新的数模转换电阻串结构

Proceedings. Tenth Annual IEEE International ASIC Conference and Exhibit (Cat. No.97TH8334) Pub Date : 1997-09-07 DOI:10.1109/ASIC.1997.617026

P.K. Oborn, D. Comer

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引用次数: 6

摘要

本文介绍了一种在CMOS电路上实现数模转换器的电阻串结构。所提出的电路保持了先前电阻串结构固有的保证单调性的优点，但提供了更高的电阻使用效率。使用“虚拟电阻编码”可以获得非常高的积分和微分线性(/spl sim/0% LSB)。同样，这种DAC架构只需要一个缓冲放大器，提供潜在的高速操作。

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A new digital to analog converter resistor string architecture

This paper introduces a resistor string architecture for implementing a digital to analog converter on a CMOS circuit process. The proposed circuit maintains the advantages of guaranteed monotonicity inherent in previous resistor string architectures but provides a higher efficiency of resistor usage. Using "virtual resistance coding" it is possible to obtain a very high integral and differential linearities (/spl sim/0% LSB). Likewise, this DAC architecture requires only one buffer amplifier, offering potential high-speed operation.

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来源期刊

Proceedings. Tenth Annual IEEE International ASIC Conference and Exhibit (Cat. No.97TH8334)

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