Hi,
We are planning to use TLV2333 Op-Amp from TI, as the input buffer for the ADS1220 ADC device. The circuit will be operated in an industrial harsh environment. So we need to pass some tight standard to use the device in those filed. We are planning to feed the supply voltage of the Op-amp with +2.5V and -2.5Vrespectively on the V+ and V- pins. Our input ranges are between +/-5V and it will be divided down further by using a resistor network to get +2V and -2V to match the input swing of the Op-amp supply. We are planning to use a TVS diode to protect the circuit from 1kV surge pulse. Most of the TVS diode will provide a clamping voltage of 12-13V during the surge event and it last for a time period of 20micro second ( 8 micro second rise time ). As per the datasheet of TLV2333 it will with stand ESD pulses of around 4kV.
My question is, whether it will ( TLV2333 ) survive the spike of 12-15V for 20uSec regardless of the maximum input value provided in the datasheet absolute maximum rating?
Best Regards
Sharvy