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大家好,请问使用INA333这款芯片要另外再加一个能提供稳定偏置电压的芯片吗,还是它内部已经集成了?谢谢!
按我的用法:REF是输出的Bias,双电源时可接GND,单电源时接VCC/2。注意输入侧在VIN+也是需要加Bias的,但可以与输出REF不是同一个Bias。我就是这么用的,产品已量产。