HCPL-4534#020

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4534#020 is a dual-channel high-speed optocoupler manufactured by Broadcom Limited. It features two independent channels with phototransistor outputs, providing electrical isolation between input and output circuits. The device supports data rates up to 1 MB/s and offers an insulation voltage of 3750 Vrms. Key electrical parameters include a forward current of 25 mA, a forward voltage of 1.5 V, and an output current of 8 mA per channel. The component is housed in an 8-pin PDIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• High-speed operation supporting 1 MB/s data rates
• Integrated phototransistor outputs for digital signaling
• Electrical insulation between input and output sections

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces requiring galvanic isolation
• Digital signal transmission across isolated ground planes
• Microcontroller interface circuits with noise immunity requirements
• Power supply feedback loops for control signals

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code against official datasheets to confirm lead-free status and packaging type. Confirm availability as distribution status may vary. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation at 1 MB/s is required within an 8-pin DIP package. Compare CTR specifications against load requirements. Verify insulation voltage ratings match system safety standards. Consider operating temperature range constraints for the intended environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-4534 series of dual-channel high-speed optocouplers from Broadcom. The series is designed for applications requiring fast digital signal transfer with high isolation voltage. It shares functional similarities with other members of the HCPL-45xx family but differs in pinout and specific electrical characteristics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct replacements such as HCPL-4534 variants with different suffixes for packaging or compliance. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.