
你好,在VDAC指标中有这样一项:Zero-scale error,在positive range时我理解,因为VSS最低就是0,VDAC输出被限制在0V以上,Zero-scale error只能往正偏。为什么在negative时只有负值呢?当code=0时,输出可以大于-5V呀,因为VSS最低可以-5.5V,是我理解错了吗?
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