HCPL-902J

Overview

The HCPL-902J is a four-channel CMOS digital isolator utilizing Giant Magnetoresistive (GMR) technology. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 110 MBd. The device features a 2500 Vrms isolation voltage and a common mode transient immunity of 15 kV/µs. Propagation delay is typically 4 ns with a maximum of 15 ns. It is housed in a 16-pin SOIC narrow body package and functions bidirectionally or unidirectionally depending on the specific suffix, suitable for high-speed digital isolation.

Feature Summary

• Utilizes GMR technology for high-speed signal transmission
• Provides robust common mode transient immunity
• Supports 3.3 V and 5 V CMOS logic levels
• Offers high channel density in compact packaging

Applications

• Isolating parallel buses
• Peripheral interface isolation
• Data conversion device isolation
• Digital fieldbus isolation

Procurement Notes

Verify the specific suffix against official Broadcom documentation to confirm directionality and pinout configuration. Ensure the selected variant matches the required isolation voltage ratings and operating temperature range for the target application environment. Cross-reference the manufacturer part number with authorized distributors to confirm current availability and lifecycle status.

Selection Notes

Select this component when high channel density and fast propagation delays are critical for system performance. Consider the 16-pin SOIC package constraints for PCB layout. Evaluate the power consumption requirements against the specified operating current limits. Ensure compatibility with the system's logic voltage levels and noise environment given the CMTI specifications.

Part Context

This device belongs to the HCPL-90xx series of CMOS digital isolators from Broadcom. The series is characterized by its use of magnetic coupling barriers to achieve electrical isolation without optical components. These devices are designed to replace traditional optocouplers in applications requiring higher speed and better reliability.

Replacement Considerations

HCPL-092J-000E

FAQ

What isolation technology does the HCPL-902J use?

It uses Giant Magnetoresistive (GMR) technology.

What is the maximum data rate supported?

The device supports data rates up to 110 MBd.