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[参考译文] OPA192:OPA192输入保护二极管

Guru**** 2553450 points
Other Parts Discussed in Thread: OPA192

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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/862142/opa192-opa192-input-protection-diodes

器件型号:OPA192

HI Shadders、

我想您在试验电路时会对 R3短路。 这不仅是 OPA192受损的原因、也是齐纳二极管受损的原因。

顺便说一下、我不明白为什么您在 OPA192的输入端安装回背对背齐纳二极管。 它们根本无法保护 OPA192。

Kai