OA1NP Datasheet, PDF (23/31 Pages) STMicroelectronics – Rail-to-rail input and output

OA1NP, OA2NP, OA4NP
Application information
4.10
ESD structure of OA1NP, OA2NP, OA4NP series
The OA1NP, OA2NP and OA4NP are protected against electrostatic discharge (ESD) with
dedicated diodes (see Figure 41). These diodes must be considered at application level
especially when signals applied on the input pins go beyond the power supply rails (V_CC+ or
V_CC-).
Figure 41. ESD structure

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Current through the diodes must be limited to a maximum of 10 mA as stated in Table 2. A
serial resistor or a Schottky diode can be used on the inputs to improve protection but the
10 mA limit of input current must be strictly observed.
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