The portfolio of Specific Function Optocouplers from ON Semiconductor includes AC line monitor logic output, bilateral analog FET output, and AC/DC to logic interface optocouplers. The portfolio’s ideal performance characteristics and features include AC or DC input, programmable sense voltage, externally adjustable time delay, logic level compatibility, extremely low offset voltage, high voltage isolation between input and output, and no charge injection or latch-up. These devices are used in any AC-to-DC control application and provide excellent optical isolation, solid-state reliability, TTL compatibility, small size, low power, and low frequency. Applications include Low Voltage Detection, 5 V to 240 V AC/DC Voltage Sensing, Relay Contact Monitor, Current Sensing, Microprocessor Interface, Industrial Controls, Consumer Appliances, and Industrial Motor.