ADUM3211WCRZ

Overview

The ADUM3211WCRZ is a dual-channel digital isolator from Analog Devices, utilizing magnetic coupling technology for signal transmission. It features a unidirectional data flow with a maximum data rate of 25 Mb/s and an insulation voltage of 2500 Vrms. The device operates within a supply voltage range of 3 V to 5.5 V, drawing a typical operating current of 6.4 mA. Key timing parameters include a propagation delay of 50 ns and rise/fall times of approximately 3 ns. It is qualified under AEC-Q100 standards and supports an extended operating temperature range from -40°C to +125°C in an SOIC-8 package.

Feature Summary

• High-speed bidirectional communication support via 25 Mb/s data rate capability
• Robust isolation performance with 2500 Vrms insulation voltage rating
• Automotive-grade reliability certified under AEC-Q100 qualification standards
• Extended thermal stability suitable for harsh industrial environments

Applications

• Automotive electronic control unit (ECU) interfaces
• Industrial automation sensor isolation
• Medical equipment signal isolation
• Power management system monitoring

Procurement Notes

Verify the specific suffix WCRZ against official Analog Devices documentation to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure that the AEC-Q100 automotive qualification status aligns with project requirements. Cross-reference the SOIC-8 footprint dimensions with PCB design guidelines to prevent assembly errors during manufacturing.

Selection Notes

Select this component when high-speed data transfer up to 25 Mb/s is required alongside robust galvanic isolation. The wide operating temperature range makes it suitable for demanding automotive and industrial applications. Consider the unidirectional channel configuration for simple signal routing tasks where bidirectional logic is not necessary.

Part Context

This part belongs to the ADUM3211 series of digital isolators, which leverage Analog Devices' iCoupler technology. The series provides a compact alternative to traditional optocouplers, offering superior performance in terms of speed, power consumption, and size. The WCRZ variant specifically denotes the automotive-qualified version with reel packaging.

Replacement Considerations

• ADUM3211BRZ
• ADUM3211ARZ

FAQ

What is the maximum data rate supported by the ADUM3211WCRZ?

The device supports a maximum data rate of 25 Mb/s.

Is the ADUM3211WCRZ qualified for automotive applications?

Yes, it is qualified according to the AEC-Q100 standard.