请问,INA226检测电流范围,最大到10A,最小能到多少?I2C读到寄存器的电流是实际负载电流,还是算上偏置电流
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好,决定测量最小电流的因素是Ib,INA226的输入偏置电流Ib是10uA。比如要测试nA级的电流,这款就不合适。
所以需要选择更低Ib的其他器件,比如INA228、INA229、INA237、INA238、INA239这几款的Ib为2.5nA。