SR=2*pi*Vpp*f ->f=SR/(2*pi*Vpp) =11/(2*PI*VPP)=0.065M(hz) 理论值
而图上标的是25K 左右
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1:TI 官方给的数据手册 确实是2.3V/us 但是频率也不对啊
2:你们的教程上写的是11v/US
教程上的应该是错误的,OPA227和OPA228共用一个数据手册,OPA228是11V/uS,编写教程的应该是大意了。按照2.3来算,大致是符合输出电压最大值的那个图的呀
SR=2.3/(2*3.14*28)=13k 图上显示大致在25k的样子