ADUM1250ARZ-RL7

The ADUM1250ARZ-RL7 isolated interface IC is suitable for hot-swap applications and can handle 30 mA current sink capability. It operates from 3.0 V to 5.5 V, supports speeds up to 1000 kHz, and can withstand temperatures up to 125°C, making it suitable for automotive applications. Additionally, it has safety certifications including DIN VDE V 0884-11:2017-01, Reinforced per UL 1577, IEC/EN/CSA 62368-1, IEC/CSA 61010 560 V peak, 2500 V rms isolation for 1 minute VIORM-1, CAN/CSA-C22.2 No. 14-18 and GB4943.1-2011 to ensure that it meets strict safety and performance standards.

·Isolated I²C, SMBus, or PMBus interfaces

·Multilevel I²C interfaces

·Power supplies

·Networking

·Power over Ethernet

·Hybrid electric vehicle battery management

The ADuM1250/ADuM1251¹ are hot swappable digital isolators with nonlatching, bidirectional communication channels that are compatible with I²C interfaces. This eliminates the need for splitting I ²C signals into separate transmit and receive signals for use with standalone optocouplers.

The ADuM1250 provides two bidirectional channels, supporting a complete isolated I²C interface. The ADuM1251 provides one bidirectional channel and one unidirectional channel for applications where a bidirectional clock is not required.

Both the ADuM1250 and the ADuM1251 contain hot swap circuitry to prevent glitching data when an unpowered card is inserted onto an active bus.

These isolators are based on the iCoupler® chip scale transformer technology from Analog Devices, Inc. iCoupler is a magnetic isolation technology with functional, performance, size, and power consumption advantages as compared to optocouplers. With the ADuM1250/ADuM1251, iCoupler channels can be integrated with semiconductor circuitry, which enables a complete isolated I²C interface to be implemented in a small form factor.

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