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Questions related to the maximum ratings of a component such as maximum voltage, heat and other specs which if exceeded will likely destroy the device

2 votes

Differential input voltage of op-amp with feedback

The maximum input differential voltage is a breakdown rating on the input stage structure and cannot be ignored; it is in the datasheet for the very good reason that exceeding this may damage the devi …
Peter Smith's user avatar
  • 22.6k
18 votes

Where Does VDD+0.3V Input Limit Come From on IC chips?

This is due to the input protection diodes. A typical input looks like this (CMOS inverter shown): simulate this circuit – Schematic created using CircuitLab The diodes in newer parts are sch …
Peter Smith's user avatar
  • 22.6k
8 votes

125 mW resistor subjected to 600 mW dissipation in professional safety system

Typical general purpose SMD resistors are usually of the thick film type. This type of resistor is not designed for long term overload (indeed, none are), but the effect of overstressing the part the …
Peter Smith's user avatar
  • 22.6k