求一款当使能输入为低时呈高阻状态,当使能输入为高时正常工作的放大器!!谢谢
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除了有使能引脚,其他电气特性有什么要求?
带有使能引脚的OPA454,OPA564。
OPA564就满足,使能为高,正常工作,使能为低,输出disable。shiqing qu 说:还有使能控制输入1时,正常工作,输入0时呈高阻状态