Other Parts Discussed in Thread: LM358
LM258如何防止运放输出端倒灌电流进入
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您好,我想可以考虑在输出端加一个限流电阻,限流的同时也能降低电路不稳定的危险,同时也能抑制由于短路电流造成的接地噪声问题。
可以看下这篇应用手册,针对LM358的应用设计指南,258和358的输出架构应该是一样的。
参考3.1 Output Stage Schematic, VOL and IOL部分:
https://www.ti.com/lit/an/sloa277b/sloa277b.pdf