ISO7231CDWRG4

Overview

The ISO7231CDWRG4 is a triple digital isolator from Texas Instruments, housed in a 16-pin SOIC package. It provides three independent channels with bidirectional signal transmission at a data rate of 25 Mbps. The device utilizes capacitive coupling technology to achieve an isolation voltage of 2500 Vrms. It operates within a temperature range of -40°C to +85°C and supports both single-ended and differential input/output configurations for versatile interface compatibility.

Feature Summary

• Provides three isolated channels for simultaneous signal transmission
• Utilizes high-speed capacitive coupling for reliable data integrity
• Supports bidirectional communication across all channels
• Compatible with standard logic families via flexible I/O configuration

Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power electronics gate drive interfaces
• Automotive sensor signal conditioning

Procurement Notes

Verify the specific suffix 'RG4' confirms RoHS compliance and lead-free status as per manufacturer standards. Confirm the 'C' grade designation matches your required operating temperature range of -40°C to +85°C. Ensure the SOIC-16 package dimensions align with your PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when triple-channel isolation is required at moderate speeds up to 25 Mbps. Compare against the ISO7231ADWRG4 if lower speed (1 Mbps) but higher insulation voltage (3000 Vrms) is needed. Consider the ISO7231MDWRG4 for applications requiring significantly higher data rates up to 150 Mbps. Evaluate power consumption and propagation delay specifications against system timing constraints.

Part Context

This part belongs to the ISO7231A/C/M family of triple digital isolators. It shares the same physical package and pinout with variants offering different speed grades and insulation ratings. The family is designed to replace traditional optocouplers in space-constrained designs while offering superior performance consistency and lower power consumption.

Replacement Considerations

The ISO7231ADWRG4 offers similar functionality with lower speed but higher isolation voltage. The ISO7231MDWRG4 provides higher speed capabilities. Verify pin compatibility and electrical parameters before substituting any variant within the ISO7231 series.