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运放输出电压与输出电流

Other Parts Discussed in Thread: OPA2227

你好

opa2227中有个输出摆幅与输出电流的关系。测试负载为10K,为啥摆幅从14v减少到11v时,输出电流会变化这么大?

比如输出11v时,电流是11/10k=1.1mA,为图表上是50mA? 并且输出电压从14v降到11v时,运放电源是怎么变化的?

是我对输出电流和负载电流理解有误吗?