HCPL0700

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL0700 is a single-channel high-speed optocoupler featuring an AlGaAs LED coupled to a split Darlington photodetector in an 8-pin SOIC package. It offers a data rate of 100 kb/s and an isolation voltage of 2500 Vrms. Key electrical parameters include a maximum forward current of 20 mA, a typical forward voltage of 1.25 V, and a reverse voltage rating of 5 V. The device provides a high current transfer ratio of up to 2600% and supports an output current of 60 mA with a power dissipation of 100 mW. It operates within a temperature range of -40°C to +85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Split Darlington configuration separates input photodiode and first-stage gain from the output transistor for lower saturation voltage and higher speed.
• Combines very low input current requirements with high current transfer ratio for efficient signal transmission.
• CMOS compatible output ensures compatibility with various logic families including TTL.

Transistor, Photovoltaic Output Optoisolators Applications

• MOS and CMOS input interfaces
• LSTTL input interfaces
• EIA RS-232C interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer origin as Fairchild Semiconductor or its successors (onsemi) when sourcing. Confirm the specific suffix indicates the correct packaging type, such as tube or tape-and-reel variants like HCPL0700R2. Ensure the component meets RoHS compliance requirements if applicable to your assembly process. Check for any product change notifications regarding pinout or electrical specifications before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input drive current is critical while maintaining high gain and fast switching speeds. The split Darlington architecture makes it suitable for applications requiring better performance than conventional Darlington optocouplers. Ensure the required isolation voltage of 2500 Vrms meets system safety standards. Verify that the 100 kb/s data rate aligns with the communication speed needs of the target application.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-0700 series of low input current, high gain split Darlington optocouplers. It is designed to provide optimum mounting density in single-channel configurations. The series is engineered to bridge the gap between low-power logic inputs and higher-current loads, offering a robust solution for digital isolation tasks in compact electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL0700R2 serves as a direct replacement variant with identical electrical characteristics but different packaging options such as tape-and-reel.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the primary advantage of the split Darlington configuration?

It separates the input photodiode and first-stage gain from the output transistor, permitting lower output saturation voltage and higher speed operation compared to conventional Darlington phototransistor optocouplers.

Is the HCPL0700 compatible with CMOS logic?

Yes, the device ensures CMOS output compatibility and is suitable for use with MOS, CMOS, and LSTTL input interfaces.