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运放指标定义测试专题——如何测量运算放大器总静态电流(建议置顶)



Quiescent Current (per amplifier)     IQ

静态电流定义为运放输入或输出接地而且没有负载的工作条件下,流入运放Vcc+或者Vcc-引脚的电流。

TI数据手册中,这个指标通常指整个封装吸入的总静态电流。