Analog Devices Inc.

ADUM2251ARWZ  

Digital Isolators

ADUM2251ARWZ Description

The ADUM2251ARWZ is a high-performance digital isolator from Analog Devices Inc., designed to provide robust isolation in digital communication applications. With its magnetic coupling technology, the device offers excellent common mode transient immunity and pulse width distortion characteristics, making it ideal for demanding industrial and automotive applications.

ADUM2251ARWZ Features

• 2-Channel I2C Interface: The ADUM2251ARWZ features a 2-channel I2C interface, allowing for efficient communication between isolated devices.
• 5000Vrms Isolation Voltage: The device provides a high isolation voltage of 5000Vrms, ensuring reliable performance in high-voltage environments.
• 25kV/µs Common Mode Transient Immunity: The ADUM2251ARWZ offers excellent common mode transient immunity, protecting the device from electrical noise and transients.
• 1Mbps Data Rate: The device supports a data rate of 1Mbps, enabling fast data transfer between isolated devices.
• 3V to 5.5V Supply Voltage: The ADUM2251ARWZ operates over a wide supply voltage range, making it suitable for various power supply scenarios.
• Bidirectional and Unidirectional Channel Types: The device supports both bidirectional and unidirectional channel types, providing flexibility in system design.
• REACH Unaffected and RoHS3 Compliant: The ADUM2251ARWZ is compliant with REACH and RoHS regulations, ensuring environmental and health safety.

ADUM2251ARWZ Applications

The ADUM2251ARWZ is ideal for a wide range of applications where isolation is required to protect sensitive digital circuits from high voltages and electrical noise. Some specific use cases include:

1. Industrial Automation: The device can be used in industrial control systems to isolate digital signals between controllers and actuators, ensuring reliable operation in harsh environments.
2. Automotive Applications: The ADUM2251ARWZ is suitable for automotive applications such as battery management systems, where isolation is required to protect sensitive circuits from high voltages.
3. Medical Equipment: The device can be used in medical equipment to isolate digital signals between patient interfaces and control circuits, ensuring patient safety and equipment reliability.

Conclusion of ADUM2251ARWZ

The ADUM2251ARWZ from Analog Devices Inc. is a versatile and high-performance digital isolator that offers excellent isolation and data transfer capabilities. Its unique features, such as high isolation voltage, common mode transient immunity, and wide supply voltage range, make it an ideal choice for demanding applications in industrial automation, automotive, and medical equipment. With its compliance with REACH and RoHS regulations, the ADUM2251ARWZ is a reliable and environmentally friendly solution for digital isolation in various industries.

ADUM2251ARWZ Documents

Download datasheets and manufacturer documentation for ADUM2251ARWZ

PCN Assembly/Origin :

Alternate Assembly Site 22/Sep/2015      

Datasheets :

ADuM2250,2251      

Design Resources :

ADUM2251 Block Diagram