HCPL-2231 (A2231)

The HCPL-2231 (also known as A2231) is a high-speed optocoupler with a Schottky clamped transistor optically coupled to an infrared light-emitting diode. This device provides electrical isolation between input and output, making it suitable for applications requiring high-speed data transmission and signal isolation. The HCPL-2231 is ideal for use in industrial and consumer electronic applications where reliable and fast signal transfer is needed.

Key Features:

• High-speed optocoupler
• High input-to-output isolation voltage: 3750 Vrms
• TTL compatible
• Open-collector output
• Low input current requirement
• High common-mode rejection (CMR)
• Wide operating temperature range
• Compact 8-pin DIP package

Technical Specifications:

• Package Type: DIP-8
• Isolation Voltage: 3750 Vrms
• Forward Voltage (VF): 1.3 V (Typical)
• Reverse Voltage (VR): 5 V
• Input Current (IF): 20 mA (Maximum)
• Supply Voltage (VCC): 4.5 V to 20 V
• Output Voltage (VO): 0.5 V (Maximum)
• Output Current (IO): 25 mA (Maximum)
• Propagation Delay Time (tPHL/tPLH): 100 ns (Typical)
• Common-Mode Rejection (CMR): 10,000 V/µs (Minimum)
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -55°C to +125°C
• Power Dissipation: 85 mW per channel

Applications:

• Data Communication: Suitable for high-speed data transmission and signal isolation in communication systems.
• Microprocessor Interfacing: Ideal for isolating microprocessor input and output signals.
• Power Supply Isolation: Provides isolation between control and power sections in power supplies.
• Industrial Control Systems: Used in PLCs, motor controllers, and other industrial automation equipment.
• Consumer Electronics: Ensures safe and reliable signal transmission in electronic devices.
• Medical Equipment: Provides isolation in medical devices for patient and equipment safety.

Datasheet: For detailed technical information, refer to the HCPL-2231 datasheet.