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ADuM1251ARZ-RL7 DataSheet

ADuM1251ARZ-RL7 DataSheet

Part No.
ADuM1251ARZ-RL7
Package Option
R-8
Temperature
−40°C to +105°C
Package
8-Lead SOIC_N
File Size
228 KB
Page
16 Pages
Manufacturer
Analog Devices, Inc.
Views
2
Upload Time
2022-05-20 10:44:46
Update Time
2022-05-20
Description
DGTL ISOL 2500VRMS 2CH I2C 8SOIC
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ADuM1251ARZ-RL7 Features

Bidirectional I2C communication
Open-drain interfaces
Suitable for hot swap applications
30 mA current sink capability
1000 kHz operation
3.0 V to 5.5 V supply/logic levels
8-lead, RoHS compliant SOIC package
High temperature operation: 125°C
Qualified for automotive applications
Safety and regulatory approvals
  UL recognition
    2500 V rms for 1 minute per UL 1577
  CSA Component Acceptance Notice 5A 
  VDE certificate of conformity
    DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
    VIORM = 560 V peak

ADuM1251ARZ-RL7 Applications

Isolated I2C, SMBus, or PMBus interfaces
Multilevel I2C interfaces
Power supplies
Networking
Power over Ethernet
Hybrid electric vehicle battery management

ADuM1251ARZ-RL7 Description

ADuM1251ARZ-RL7 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.

ADuM1251ARZ-RL7 provides two bidirectional channels, supporting a complete isolated I2C interface. The ADuM1251 provides one bidirectional channel and one unidirectional channel for applica-tions 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.

Related ADuM1251ARZ-RL7 Datasheet

Part No.
Datasheet

228Kb / 16P

228Kb / 16P

228Kb / 16P

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