The SFH690AB is a high-speed Optocoupler manufactured by Vishay. It is designed for galvanic isolation in digital interface applications, offering a high data rate and excellent common-mode transient immunity.

Applications

• Digital logic isolation
• Microprocessor system interfaces
• Power inverter control
• Isolated data transmission
• SMPS feedback control

Features

• High data rate: Supports data transmission at high speeds.
• High common-mode transient immunity (CMTI): Prevents false triggering due to noise.
• Low input current: Minimizes power consumption.
• Open collector output: Provides flexible interfacing with different logic levels.
• Compact package: Saves board space.

Benefits

• Reliable data transmission in noisy environments.
• Improved system performance due to high data rate.
• Reduced power consumption in isolated circuits.
• Simplified interface with various digital systems.
• Compact design for high-density applications.

Additional Details

The SFH690AB optocoupler provides electrical isolation between input and output circuits, protecting sensitive components from high voltages and noise. Its high data rate makes it suitable for high-speed digital interfaces, while its excellent common-mode transient immunity prevents false triggering due to noise. The low input current minimizes power consumption, and the open collector output allows for flexible interfacing with different logic levels. The compact package saves board space, making it ideal for high-density applications. This optocoupler is suitable for a wide range of applications, including digital logic isolation, microprocessor system interfaces, and power inverter control.

Technical Specifications (Typical):

• Data Rate: 10 MBd
• Common Mode Transient Immunity (CMTI): 25 kV/μs
• Forward Current: 5 mA
• Supply Voltage: 4.5 V to 5.5 V
• Isolation Voltage: 3750 Vrms
• Package: SO-8