| TMS320F2812芯片ADC模数转换精度的分析 |
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| 引用本文： | 张栋.TMS320F2812芯片ADC模数转换精度的分析[J].电子技术应用,2010(9). |
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| 作者姓名： | 张栋 |
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| 摘 要： | TMS320F2812是高集成、高性能指令控制应用芯片,但其ADC模数转换单元易受干扰,精度差。本文从实际应用的角度出发,通过比较硬件滤波、电源滤波、软件滤波、工作时钟频率、ADC转换窗口、外部RAM等外围设计因素,提出了电源、软硬件滤波综合方案,以提高ADC模数转换精度。
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| 关 键 词： | 模数转换 硬件滤波 软件滤波 电源滤波 |
Analysis of ADC precision on TMS320F28 12 chip |
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| ZHANG Dong.Analysis of ADC precision on TMS320F28 12 chip[J].Application of Electronic Technique,2010(9). |
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| Authors: | ZHANG Dong |
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| Abstract: | TMS320F2812 devices are highly integrated,high-performance chips for demanding control applications,but ADC on chips is prone to interfered by other units.In this paper,hardware、power、software filters and clock frequency、ADC window、outside RAM on chips have been compared by practical test.A integrated scheme of hardware、power、software filters is proposed to improve the ADC result precision. |
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| Keywords: | ADC hardware filter software filter power filter |
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