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ads1255与ina128在使用过程中发现，
长时间（1～2月）上电运行，
ADS1255数据会跳动变大或个别满量程。
断电一段时间后，再重新上电就又恢复正常了，
不知道什么原因，现将原理图发上，请帮助找找毛病。
电源干扰
