一种一元编码电流转向DAC，在1和2 LSB步骤中依次步进温度计编码寄存器

2018 41st International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO) Pub Date : 2018-05-21 DOI:10.23919/MIPRO.2018.8400017

Stefan Bramburger, P. Pitonak, D. Killat

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引用次数: 4

摘要

本文提出了一种使用一元电流源和温度计编码寄存器的8位电流控制DAC。温度计编码寄存器通过根据控制输入顺序向上或向下步进一个或两个步骤来控制。如果在增量编码跟踪ADC中使用DAC，则增强的步长减轻了慢速限制。温度计编码的DAC寄存器的顺序切换不需要二进制到温度计解码器，降低了误差补偿的复杂性。

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 unary coded current steering DAC with sequential stepping of the thermometer coded register in 1 and 2 LSB steps

This paper presents an 8-bit current steering DAC that uses unary current sources and a thermometer coded register. The thermometer coded register is controlled by sequentially stepping one or two steps up or down dependent on the control input. The enhanced step size mitigates the slew-rate limitation if the DAC is used in a delta-encoded tracking ADC. The sequential switching of thermometer coded DAC register does not require a binary to thermometer decoder and reduces complexity of error compensation.

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来源期刊

2018 41st International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO)

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