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OPA2227输入限流问题

Other Parts Discussed in Thread: OPA2227

你好

OPA2227产品手册中,图37有个输入电流为20mA的要求。

针对10v脉冲的例子,想问几个问题。

1、同向端输入10v脉冲瞬间,运放输出电压是多大。例子中好像默认输出是0V。

2、如果运放做跟随电路时,同向端输入电压范围满足OPA2227的(-Vs+2,Vs-2),还需要加限流电阻吗?为什么?

3、按照虚短虚断原理,同向反向端的电压是一样的,为什么保护二极管上会有电流流过?