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OPA2192自激振荡

Other Parts Discussed in Thread: OPA2192

最近想用OPA2192做个同相跟随电路,但是发现连接负载时,即使没有输入,输出端依然有7~8V,频率2M多的正弦输出。

试过将R2短接,振荡消失了。请问这个电路有问题吗?

负载是100kohm,因为引线有点长,而且是屏蔽线,测了下分布电容,对地大概有150pF。