The 6N137/6N136 is a high-speed optocoupler, also known as an optoisolator, manufactured by Fairchild Semiconductor (now ON Semiconductor). This device features a GaAlAs LED optically coupled to a high-gain integrated photodetector. It is designed for high-speed digital interfacing applications requiring electrical isolation between input and output circuits.

Applications:

• Microprocessor system interfaces
• Digital logic inputs
• Power supply feedback control
• Motor control circuits
• Line receivers
• Isolated data transmission

Features:

• High speed: Up to 10 Mbps data rate
• High common-mode transient immunity: Typically 10,000 V/µs
• Guaranteed performance from 0°C to 70°C
• Wide supply voltage range: 4.5 V to 5.5 V
• Open collector output
• Safety and regulatory approvals: UL, CSA, VDE

Benefits:

• Electrical isolation between input and output, preventing ground loops and protecting sensitive circuits
• High data transfer rates for fast digital communication
• Robust performance in noisy environments due to high common-mode transient immunity
• Reliable operation over a wide temperature range
• Compatibility with various logic families
• Meets stringent safety standards for isolated systems

Specifications:

• Input Diode Forward Current: 25 mA (typical)
• Supply Voltage (VCC): 4.5 V to 5.5 V
• Output Voltage (VO): 0 V to VCC
• Data Rate: 10 Mbps (maximum)
• Common-Mode Transient Immunity: 10,000 V/µs (typical)
• Isolation Voltage: 2500 VRMS (minimum)
• Operating Temperature: 0°C to 70°C
• Package: 8-pin DIP or SOIC

The 6N137/6N136 optocoupler provides reliable and high-performance electrical isolation for a wide range of applications. Its high speed, excellent transient immunity, and safety approvals make it an ideal choice for interfacing digital systems and protecting sensitive circuits from voltage transients and ground loops. The open collector output allows for easy interfacing with various logic families.