HCPL-4504 (A4504) optical isolator

The HCPL-4504 (A4504) is a high-speed optical isolator designed for isolating high-frequency digital signals. It features a GaAsP LED and an integrated high-gain photodetector, providing excellent isolation and high-speed performance. The device ensures reliable data transfer and protection against high-voltage transients, making it suitable for industrial and automotive applications requiring robust signal isolation.

Key Features:

• High-speed digital signal isolation
• High common-mode transient immunity
• Wide operating temperature range: -40°C to +85°C
• Low input current requirement
• High isolation voltage
• Compatible with TTL, LSTTL, and CMOS logic levels
• Low power consumption

Technical Specifications:

• Package Type: 8-DIP
• Supply Voltage (Vcc): 4.5V to 5.5V
• Input Current (IF): 10mA (max)
• Propagation Delay Time: 100 ns (typical)
• Isolation Voltage: 3.75 kV RMS for 1 minute
• Output Voltage (VO): 0.5V (max) at IOL = 20mA
• Common-Mode Transient Immunity: 10 kV/µs
• Dimensions: 9.2 mm x 6.35 mm x 3.81 mm
• Weight: 0.5 g

Applications:

• Industrial Automation: Provides isolation for control systems in industrial automation applications.
• Automotive Systems: Suitable for isolating signals in automotive electronics.
• Communication Systems: Ideal for isolating high-speed digital signals in communication circuits.
• Data Acquisition Systems: Ensures reliable signal isolation in data acquisition modules.
• Power Supply Regulation: Used in feedback circuits of switched-mode power supplies for isolation and regulation.

Datasheet:

For detailed technical information, refer to the HCPL-4504 (A4504) Datasheet.