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
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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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