| 可程控精密直流参考源的设计 |
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| 引用本文： | 赵红红,王林斗. 可程控精密直流参考源的设计[J]. 电子测量技术, 2006, 29(4): 91-92 |
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| 作者姓名： | 赵红红 王林斗 |
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| 作者单位： | 天津大学,天津,300072;天津大学,天津,300072 |
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| 摘 要： | 介绍了单片低功耗,具有片内自校准功能的20bit串行DAC1220数/模转换器在双极性DC参考源中的设计应用,并给出了与AT89C52系列单片机接口电路。
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| 关 键 词： | 串行接口 片内自校准 SPI总线 |
Design of programmable precision DC reference source |
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| Zhao Honghong,Wang Lindou. Design of programmable precision DC reference source[J]. Electronic Measurement Technology, 2006, 29(4): 91-92 |
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| Authors: | Zhao Honghong Wang Lindou |
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| Affiliation: | TianJin University,Tianjin 300072 |
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| Abstract: | This article introduced the design of a programmable dual DC reference source, which is based on a 20bit serial D/A chip, with the characteristics of low power consumption and on chip self calibration function. The interface circuit between DAC1220 and AT89C52 was presented. |
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| Keywords: | serial interface on chip self-calibration SPI |
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