HCPL-0631

Logic Output Optoisolators Overview

The HCPL-0631 is a dual-channel high-speed logic output optocoupler featuring a GaAsP LED and integrated high-gain photodetector. It offers a data rate of 10 MBd, isolation voltage of 3750 Vrms, and common mode transient immunity up to 15,000 V/µs at Vcm=1000V. Operating temperature ranges from -40°C to +85°C. Key electrical parameters include typical rise/fall times of 24ns/10ns, maximum forward current of 20mA, and open collector Schottky-clamped transistor output.

Logic Output Optoisolators Feature Summary

• Combines GaAsP LED with integrated high-gain photo detector for high-speed signal transmission
• Features internal shield providing guaranteed high common mode transient immunity
• Output utilizes open collector Schottky-clamped transistor compatible with TTL/LSTTL logic levels

Logic Output Optoisolators Applications

• Isolation of long-line receivers in noisy environments
• Microprocessor system interface isolation
• Digital isolation for ADC/DAC circuits
• Industrial automation control systems

Logic Output Optoisolators Procurement Notes

Verify specific suffixes (e.g., -000E, -500E) for lead-free compliance and packaging type. Confirm UL and CSA safety certifications match application requirements. Check AEC-Q100 qualification if automotive usage is intended. Ensure input current specifications align with driving circuit capabilities.

Logic Output Optoisolators Selection Notes

Select based on required data rate and isolation voltage. The HCPL-0631 supports 10 MBd operation suitable for high-speed digital interfaces. Consider the open-collector output configuration for pull-up resistor requirements. Verify operating temperature range suitability for the specific environment.

Logic Output Optoisolators Part Context

Part of the HCPL series of high CMR, high-speed TTL compatible optocouplers manufactured by Broadcom Limited. Designed for applications requiring robust noise immunity and fast switching speeds in isolated digital communication links.

Logic Output Optoisolators Replacement Considerations

HCPL-2631: Single-channel variant with similar speed and isolation characteristics. HCPL-0601: Lower speed alternative. HCNW137: Hermetically sealed equivalent. Verify pinout compatibility and electrical parameter margins before substitution.