ISO7641FCDW

Overview

The ISO7641FCDW is a low-power quad-channel digital isolator manufactured by Texas Instruments. It features four independent channels with a data rate of 25 Mbps and operates within a supply voltage range of 3 V to 5.5 V. The device provides galvanic isolation with a peak isolation voltage of 4 kVpk. It is housed in a 16-pin SOIC package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Provides galvanic isolation for signal transmission between isolated circuits
• Supports high-speed data communication at 25 Mbps
• Operates on a single power supply ranging from 3 V to 5.5 V
• Designed for low power consumption applications

Applications

• Industrial automation systems requiring signal isolation
• Medical equipment needing safe patient isolation
• Power metering and energy monitoring circuits
• Profibus communication interfaces

Procurement Notes

Verify the specific suffix (e.g., CDW vs CDR) to confirm packaging type, as tube and reel variants exist within the same base part number family. Ensure compatibility with your PCB footprint for the 16-SOIC package. Check RoHS compliance status if required by your manufacturing standards. Confirm moisture sensitivity level handling procedures during assembly.

Selection Notes

Select this component when a quad-channel isolator with 25 Mbps speed is required. It is suitable for applications needing 4 kVpk isolation strength. Consider the 16-SOIC package size for board space constraints. Compare against higher-speed or lower-voltage alternatives if system requirements differ significantly from these specifications.

Part Context

This part belongs to the ISO7641 series of low-power digital isolators from Texas Instruments. It is designed to replace traditional optocouplers in many applications, offering better performance and reliability. The series includes various channel configurations and package options to suit different design needs.

Replacement Considerations

Check for direct substitutes like the ISO7641FCDWR for reel packaging. Verify pinout compatibility before replacing existing designs. Ensure that any alternative meets the same isolation voltage and data rate requirements.