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我现在用的是DAC60508M,查看数据手册应该是上电默认输出中值。现在测量是默认输出电压2.5V。手册里面默认寄存器设置是增益是1的，理论上最大值输出值是2.5V，中值应该是1.25V。现在实际测量时2.5V。不知道怎么解释。
芯片是刚刚焊接好的，还没有烧录程序
