ISOW7721DFMR

Digital Isolators Overview

The ISOW7721DFMR is a dual-channel digital isolator from Texas Instruments featuring reinforced insulation and an integrated DC-DC converter. It supports data rates up to 100 Mbps with propagation delays of 10.7 ns. The device operates within a supply voltage range of 2.97 V to 5.5 V and functions across temperatures from -40°C to +125°C. It utilizes a 20-pin SOIC package and provides galvanic isolation for signal integrity in noisy environments.

Digital Isolators Feature Summary

• Integrated high-efficiency DC-DC power converter enabling low-emission operation
• Reinforced insulation design supporting multiple independent isolation barriers
• Low ripple output characteristics suitable for sensitive analog circuits

Digital Isolators Applications

• Industrial automation systems requiring robust signal isolation
• Medical equipment needing certified reinforced isolation barriers
• Automotive electronics utilizing CAN, RS232, or RS485 protocols

Digital Isolators Procurement Notes

Verify the specific suffix DFMR confirms the 20-SOIC package and tape-and-reel packaging configuration. Ensure compatibility with your board layout regarding the integrated power converter requirements. Confirm that the reinforced insulation ratings meet your system's safety standards before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when dual-channel isolation with integrated power is required. It is suitable for applications demanding low electromagnetic interference due to its low-emission design. Consider the 20-pin footprint and thermal performance if operating at maximum temperature ranges.

Digital Isolators Part Context

This part belongs to the ISOW77xx family of digital isolators. It shares architectural similarities with other members like the ISOW7742 but differs in channel count and configuration. The family emphasizes high-speed data transmission with integrated power solutions for compact system designs.

Digital Isolators Replacement Considerations

Direct substitutes include other Texas Instruments ISOW77xx series devices with matching channel counts and insulation ratings. Verify pinout compatibility and electrical specifications before swapping with similar models from different manufacturers.