你好,我最近想要驱动超声波换能器发射超声波,由于希望采用正弦信号,所以希望采用功率运放作为激励部分。希望的发射电压是40vpp以上,而电流则希望在1A左右,我看选型手册不知道该如何着手选取,请问有没有相关推荐的?谢谢
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能同时满足3MHz的GBW,40Vpp,1A电流输出的没有呢。
几款高电流输出的功放,OPA541,OPA544,OPA548,OPA549的GBW都达不到3MHz。