An op-amp has a slew rate of 0.5 V/microsecond. Approximately what minimum time is required for its output to change by 10 V at the maximum slew rate?

  • A0.05 microsecond
  • B5 microseconds
  • C20 microseconds
  • D50 microseconds
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Correct Answer: C. 20 microseconds
Explanation: Time = voltage change / slew rate = 10 V / (0.5 V/microsecond) = 20 microseconds.
Reference: Standard analog electronics: slew-rate calculation