ADC模块是一个12位、具有线结构的模数转换器，用于控制回路中的数据采集。本文提出一种用于提高TMS320F2812ADC精度的方法，使得ADC精度得到有效提高。1ADC模块误差的定义及影响分析1.1误差定义常用的A/D转换器主要存在：失调误差、增益误差和线性误差。这里主要讨论失调误差和增益误差。理想情况下，ADC模块转换方程为y=x×mi，式中x=输入计数值=输入电压×4095/3;y=输出计数值。
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