INA321 322 input current protection circuit diagram

Posted on Mar 28, 2007

As shown by INA321/322 input current protection circuit shown. INA321/322 has the input end of the inner electrostatic discharge (ESD) protection diodes when the input voltage

INA321 322 input current protection circuit diagram
Click here to download the full size of the above Circuit.

exceeds the supply voltage 500mV, protection diodes will conduct case RLIM will limit the input current (maximum 10mA), play a role in the protection circuit. Many of the input signal itself limiting function, and this time the flow resistance RLIM can not.

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