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您好,
是的,ADS1110没有I2C地址设置管脚,它的地址在出厂时就设置好了,它有八种地址,通过EDX丝印进行区分,如下截图所示:
是的,如果地址一样,一条总线就不能挂多个设备了,因为读取ADC转换结果的话,多个设备会同时在总线上输出。