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最近在做有关单电源的滤波器方面的东西，能不能推荐几款单电源的运放，GBW要求一般
你好！
TI提供非常多的单电源运算放大器的选择，例如：
OPA320, OPA2320, OPA171, OPA2171, OPA4171,
另外，可以参考选型指南和典型应用：
www.ti.com/.../slyb174a.pdf
有源滤波器设计软件：
www.ti.com/.../filterpro
