I need help with protecting the OPA2347 from both power supply and load current transients. We are using OPA2347 in a current sense differential amplifier circuit. We are measuring the current on the high side (28V battery) and powering the op amp with a 5V buck converter. We are using a voltage divider to scale down the voltage going to the inverting and non inverting terminals from 28V to 1.33V. We are using a 5V zener diode across the supply rails. Any suggestions or feedback would be appreciated.
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