Analog Devices ADUM1251ARZ Hot Swappable Dual I2C Digital Isolator SOIC-8 SMD

Description

Analog Devices ADUM1251ARZ Hot Swappable Dual I2C Digital Isolator SOIC-8 SMD
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 I2C 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.
SPECIFICATIONS
Manufacturer: Analog Devices
Part Number: ADUM1251ARZ
Product Category: Digital Isolators
Series: ADUM1251
Mounting Style: SMD/SMT
Package / Case: SOIC-8
Number of Channels: 2 Channel
Polarity: Bidirectional
Data Rate: 1 Mb/s
Isolation Voltage: 500 Vrms
Isolation Type: Magnetic Coupling
Supply Voltage - Max: 5.5 V
Supply Voltage - Min: 3 V
Operating Supply Current: 5 mA
Propagation Delay Time: 150 ns
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 105 C
Type: I2C Isolator
Subcategory: Interface ICs
APPLICATIONS
Isolated I2C, SMBus, or PMBus interfaces
Multilevel I2C interfaces
Power supplies
Networking
Power over Ethernet
Hybrid electric vehicle battery management
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