HCPL-0738-000E

Logic Output Optoisolators Overview

The HCPL-0738-000E is a dual-channel high-speed CMOS optocoupler manufactured by Broadcom Limited. It features a data rate of 15 Mb/s and an isolation voltage of 3750 Vrms. The device operates within a supply voltage range of 4.5V to 5.5V and supports a working temperature range from -40°C to +100°C. Key electrical parameters include a typical propagation delay of 20 ns, a maximum pulse width distortion of 15 ns, and a minimum common-mode rejection of 10 kV/µs. The output type is open collector, with a forward current of 20 mA and a forward voltage of 1.8 V. It is housed in an SOIC-8 surface-mount package.

Logic Output Optoisolators Feature Summary

• Integrates high-speed LED and CMOS detector chips for low power consumption and high performance.
• Provides robust electrical isolation with 3750 Vrms insulation voltage capability.
• Features integrated photodiode, transimpedance amplifier, and voltage comparator with output driver.
• Compatible with +5V CMOS logic levels for direct interface applications.

Logic Output Optoisolators Applications

• Digital fieldbus isolation such as DeviceNet, SDS, and PROFIBUS.
• Plasma display panel (PDP) signal transmission.
• Multiplexed data transmission systems.
• Computer peripheral interface isolation.
• Microprocessor system interface isolation.

Logic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels due to the presence of counterfeits in the market. Confirm that the specific suffix matches the required lead-free and RoHS compliance status. Check for obsolescence notices as some variants may be discontinued. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet to maintain reliability upon installation.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required between CMOS logic circuits. The dual-channel design offers space efficiency compared to single-channel alternatives. Consider the 10 kV/µs common-mode rejection for noisy environments. Verify that the open-collector output configuration aligns with the downstream circuit requirements. Ensure the operating temperature range meets the environmental constraints of the target application.

Logic Output Optoisolators Part Context

The HCPL-0738 series represents a family of high-performance optoisolators designed for demanding industrial and communication applications. Manufactured by Broadcom (formerly Avago), these devices utilize advanced CMOS technology to achieve high speed with low power dissipation. The HCPL-0738-000E specifically denotes the dual-channel variant with standard packaging and lead-free composition, fitting into the broader portfolio of logic output optoisolators.

Logic Output Optoisolators Replacement Considerations

Direct substitutes may include other dual-channel high-speed optocouplers with similar pinouts and electrical characteristics. Verify compatibility regarding isolation voltage, data rate, and output type before substitution. Cross-reference with Broadcom's official replacement guides for end-of-life management. Ensure any alternative maintains the same safety certifications and package dimensions for board-level integration.