Built - in current limiting resistors and anti - polarity protection diode 内置式电流限制电阻器和反极性保护二极管
2.
When the signal source of an op - amp contains an energizing voltage which is much higher than the op - amp supply it is common to use a diode and a current limiting resistor to protect the op - amp in the event of a sensor short - circuit 为了防止信号源窜入高压损坏放大器，常见的做法是在放大器输入端到放大器电源间串接一个二极管，并且在放大器输入端串接一个限流电阻。
