ads1110配置寄存器为0x0C采集大于2.048v编码为32512,小于23mv编码为0,将v+和v-和gnd接一起采样出来编码为ff00。在10mv时配置寄存器改成0x0D,可以采集到数据,编码也是256。请问这是什么原因导致的,还是说芯片已经损坏了。
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