HCPL-0201

Logic Output Optoisolators Overview

The HCPL-0201 is a high-speed optocoupler featuring a single channel with GaAsP infrared LED and integrated photodetector. It provides a data rate of 5 Mb/s and isolation voltage of 3750 Vrms. The device utilizes a push-pull totem pole output configuration, eliminating the need for external pull-up resistors. Key electrical parameters include a typical forward voltage of 1.5 V, maximum forward current of 10 mA, and output current of 25 mA. Propagation delay is typically 150 ns with rise/fall times of 30 ns/7 ns. It operates within a temperature range of -40°C to +85°C and is available in SOIC-8 surface mount packages.

Logic Output Optoisolators Feature Summary

• Integrated Schmitt trigger input ensures noise immunity and clean logic waveforms without external shaping circuits.
• Totem pole output stage provides active drive capability, removing the requirement for external pull-up components.
• High common-mode transient immunity of 1 kV/µs supports reliable operation in electrically noisy environments.

Logic Output Optoisolators Applications

• Digital signal isolation in industrial control systems
• Logic level translation between different voltage domains
• Microprocessor system interface isolation

Logic Output Optoisolators Procurement Notes

Verify the specific ordering suffix (e.g., -000E) to confirm package type and tape/reel specifications. Ensure compatibility with RoHS directives if required by your manufacturing process. Cross-reference datasheet revision dates to confirm parameter consistency against legacy documentation. Confirm that the SOIC-8 footprint matches your PCB design constraints before finalizing procurement orders.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust noise rejection capabilities. The integrated Schmitt trigger makes it suitable for applications with slow or noisy input signals. Consider the 5 Mb/s data rate limit when designing communication interfaces. The push-pull output simplifies circuit design compared to open-collector alternatives, reducing component count and board space requirements.

Logic Output Optoisolators Part Context

This device belongs to the HCPL-02XX series of logic gate optocouplers manufactured by Broadcom Limited. It shares architectural similarities with the HCPL-22XX series but differs in LED material composition. The series is designed for applications requiring fast switching speeds and high isolation reliability in compact surface-mount packages.

Logic Output Optoisolators Replacement Considerations

Direct substitutes include HCPL-0201-500E for identical functionality with potential packaging variations. HCPL-2201 serves as a functional equivalent within the broader family, though verification of specific pinout and electrical tolerances is necessary before substitution.

Logic Output Optoisolators FAQ

Does the HCPL-0201 require an external pull-up resistor?

No, the device features a built-in totem pole output stage that actively drives both high and low states, eliminating the need for external pull-up resistors.

What is the common-mode transient immunity rating?

The HCPL-0201 offers a minimum common-mode transient immunity (CMTI) of 1 kV/µs, ensuring reliable performance in high-noise environments.