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OPA828: Electrostatic discharge

Part Number: OPA828
Other Parts Discussed in Thread: OPA192,

Tool/software:

Hello team,

My customer is evaluating OPA828. The electrostatic discharge of OP828 is ±2000V. But some opamp (ex OPA192) cases are ±4000V.

  1. Is this due to the difference in protection circuits inside opamp?
  2. Can we improve ESD immunity by external components?

Best regards,

Shotaro