输出最小值为0.5mV左右,在配置为pull down之后,最小输出值仍不为0,大约0.5mV。请问这是芯片特性还是其他原因导致的?期待有人回答~谢谢~~
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您好,要检查下您的GND问题,是不是实现了单点接地?
有可能Pin14 GND和DACout的GND之间有电位差,导致DACout电压输出偏高呢?