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信号源是不大于1Vpp、2.5V直流分量,单电源+5V供电,打算用BUF634或者LME49600输出,这时BW脚接地还有用不?
不使用高带宽的话,BW可以悬空不接。
需要高带宽是不是把BW脚接地就可以?还是要另外做一个负电压接BW脚
接V-就可以,单电源供电相当于接地,双电源供电就是V-。
不需要额外做一个负压接BW引脚即可。