ISO7310CQDRQ1

Overview

The ISO7310CQDRQ1 is an automotive-grade, low-power, single-channel digital isolator from Texas Instruments. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 25 Mb/s. The device features 3000 Vrms isolation voltage and 25 kV/µs common-mode transient immunity. It utilizes capacitive coupling technology for signal transmission. The component is qualified under AEC-Q100 standards and functions reliably across an extended temperature range from -40°C to +125°C. It is housed in an 8-pin SOIC package.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• High-speed unidirectional signal transmission capability at 25 Mbps
• Robust electromagnetic compatibility and high common-mode transient immunity

Applications

• Automotive engine control units
• Body electronics systems
• Infotainment interfaces

Procurement Notes

Verify the specific suffix 'QDRQ1' to confirm the SOIC-8 package and reel packaging configuration. Ensure the part number matches the automotive grade designation. Confirm RoHS compliance status through official documentation before procurement. Validate that the supplier provides genuine Texas Instruments components to avoid counterfeit risks.

Selection Notes

Select this component when a single-channel isolator is required for automotive applications. It is suitable for designs needing low power consumption and high noise immunity. Consider the SOIC-8 footprint for PCB layout constraints. Verify that the 3 V to 5.5 V supply range aligns with the system voltage requirements.

Part Context

This device belongs to the ISO7310 family of digital isolators. It offers a compact solution for galvanic isolation in space-constrained automotive designs. The series emphasizes low power operation and robust performance in electrically noisy environments. It serves as a key interface component for separating high-voltage domains from low-voltage logic circuits.

Replacement Considerations

ISO7310CQDRQ1.A is a documented variant within the same product line.