This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

opa561一点点小疑问

Other Parts Discussed in Thread: OPA561

1.两片opa561并联好像没有什么作用,并联测试的,时候发现一块芯片发热有点厉害,另一块没有什么温度,我以为会是两块均流减小发热。5V单电源加散热片加风扇也只能到0.5A左右。并联的电流增加一点点的样子。不知道是什么问题?

2.下图是pdf上的图,应该是过零比较器来做laser diode power,感觉特别奇怪。。。

.