The HCPL-4502-520E is a high-speed optocoupler from Broadcom Limited utilizing a light-emitting diode and an integrated high gain photodetector. This design provides excellent performance and is ideally suited for digital logic interfacing applications.

Applications:

• High-speed digital logic isolation
• Microprocessor system interfaces
• Computer peripheral interfaces
• Isolated data transmission
• Replacing pulse transformers
• Eliminating ground loops

Features:

• High speed: 1 Mb/s
• High common mode transient immunity: 10 kV/µs minimum
• Guaranteed performance from 0°C to 70°C
• Open collector output
• Strobable output
• Safety approval: UL, CSA, IEC/EN/DIN EN 60747-5-5

Benefits:

• Provides electrical isolation for sensitive circuitry
• Enables high-speed data transmission while maintaining isolation
• Reduces susceptibility to noise and interference
• Offers reliable performance over a wide temperature range
• Simplifies circuit design with open collector output
• Meets stringent safety standards for various applications

Additional Details:

The HCPL-4502-520E optocoupler consists of an AlGaAs LED optically coupled to a high-speed integrated photodetector. This detector incorporates a Schmitt trigger to provide logic-compatible output, eliminating the need for external components. The device is available in an 8-pin DIP package. It operates from a single 5V supply. The input diode forward current is typically 5 mA. The output is capable of sinking up to 8 mA. The high common mode transient immunity makes this device ideal for noisy industrial environments. The safety approvals provide assurance of safe operation in applications requiring isolation.