HCPL4502

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL4502 is a single-channel high-speed transistor optocoupler manufactured by Fairchild Semiconductor. It features an AlGaAs LED optically coupled to a high-speed photodetector transistor, utilizing a separate bias connection for the photodiode to reduce base-collector capacitance and enhance speed. The device offers a data rate of 1 MBit/s and superior common-mode rejection. It is available in surface-mount DIP-8 packages and provides electrical isolation between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-speed operation with a data rate of 1 MBit/s
• Superior common-mode rejection capability
• Internal noise shield design for signal integrity

Transistor, Photovoltaic Output Optoisolators Applications

• Digital isolation in communication systems
• Signal transmission in industrial control networks
• Isolation interfaces for microprocessor-based systems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific part number suffix matches the required package type and lead-free status. Confirm manufacturer origin as Fairchild Semiconductor or authorized successor entities. Ensure documentation aligns with the specific revision level required for your design integration.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required within a compact surface-mount footprint. The separate photodiode bias terminal allows for optimized switching performance compared to conventional phototransistor couplers. Consider thermal management requirements for the DIP-8 package during PCB layout.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the family of high-speed transistor optocouplers designed for robust signal transmission across isolated boundaries. It shares architectural similarities with other devices in the series but is distinguished by its single-channel configuration and specific pinout arrangement suitable for standard DIP-8 mounting.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible alternatives include HCPL2503M, HCPL4503M, 6N135M, and 6N136M from Fairchild. Verify pin compatibility and electrical specifications before substitution.