ISO7631FCDW

Overview

The ISO7631FCDW is a low-power, quad-channel digital isolator manufactured by Texas Instruments. It features capacitive coupling technology for galvanic isolation with a rated insulation voltage of 4000 Vpk. The device supports data rates up to 25 Mbps and operates within a supply voltage range of 2.7 V to 5.5 V. Key electrical parameters include a maximum propagation delay of 7 ns and a common-mode transient immunity (CMTI) of 50 kV/µs. It is housed in a 16-pin SOIC package and functions across an operating temperature range from -40°C to +125°C.

Feature Summary

• Provides robust galvanic isolation using capacitive coupling technology.
• Supports high-speed data transmission at rates up to 25 Mbps.
• Features high common-mode transient immunity for noise-resistant operation.
• Designed for low power consumption suitable for energy-efficient systems.

Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power metering and energy management
• Automotive electronic control units

Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout configuration and functional variants. Ensure the component meets required insulation voltage ratings for the target application safety standards. Cross-reference the datasheet revision history to validate parameter consistency before integration into design specifications.

Selection Notes

Select this component when high channel density and low power consumption are critical requirements. The 16-SOIC package offers a compact footprint for space-constrained designs. Consider the 4000 Vpk insulation rating for applications requiring enhanced safety isolation between high-voltage and low-voltage domains.

Part Context

This part belongs to the ISO7631 family of low-power digital isolators from Texas Instruments. The family utilizes capacitive isolation technology to provide reliable signal transmission across isolation barriers. The ISO7631 series is designed to replace traditional optocouplers in modern industrial and automotive applications.

Replacement Considerations

Consult the official Texas Instruments replacement guide for verified cross-references. Ensure any substitute maintains compatible insulation voltage, data rate, and package dimensions.