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TI专家好，
DAC7564手册里有这么描述：
请问这个测试条件Measured by the line passing through codes 30 and 4050指的是什么意义呢？为什么要这么测试？
谢谢！
Hi Jerry,
Relative Accuracy相对准确性是定义在一定范围内DAC输出相对理想输出的最大偏差，DAC的初始值和满偏值附近的精度较差，所以采用的是30到4050的范围。
