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ADuM1250SRZ

更新时间： 2024-11-17 12:33:27

品牌	Logo	应用领域
亚德诺 - ADI		驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
12页	300K
描述
Hot Swappable, Dual I2C Isolators

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数据手册
替代型号

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ADuM1250SRZ 数据手册

Hot Swappable, Dual I²C Isolators

Data Sheet

ADuM1250/ADuM1251

FEATURES

FUNCTIONAL BLOCK DIAGRAMS

Bidirectional I²C communication

Open-drain interfaces

DECODE

ENCODE

DECODE

ENCODE

DECODE

ENCODE

DECODE

DD2

DD1

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

SDA

SCL

GND

SDA

SCL

GND

Figure 1. ADuM1250

DECODE

ENCODE

DECODE

DD2

DD1

2500 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice #5A

VDE certificate of conformity

SDA

ENCODE

SDA

SCL

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12

GND

_IORM= 560 V peak

Figure 2. ADuM1251

APPLICATIONS

Isolated I²C, SMBus, or PMBus interfaces

Multilevel I²C interfaces

Power supplies

Networking

Power-over-Ethernet

Hybrid electric vehicle battery management

GENERAL DESCRIPTION

The ADuM1250/ADuM1251¹are 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.

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.

The ADuM1250 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.

¹Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.

Rev. F

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

12 3 4 5 6 7...12

中文翻译

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ADuM1250SRZ 替代型号

型号	品牌	替代类型	描述	数据表
ADuM1250SRZ-RL7	ADI	类似代替	Hot Swappable, Dual I2C Isolators

与ADuM1250SRZ相关器件

型号	品牌	获取价格	描述	数据表
ADuM1250SRZ-RL7	ADI	获取价格	Hot Swappable, Dual I2C Isolators
ADUM1250WSRZ	ADI	获取价格	Hot Swappable, Dual I2C Isolators
ADuM1250WSRZ-RL7	ADI	获取价格	Hot Swappable, Dual I2C Isolators
ADUM1251	ADI	获取价格	Hot Swappable Dual I2C Isolators
ADUM1251_15	ADI	获取价格	Hot Swappable, Dual IC Isolators
ADUM1251ARZ	ADI	获取价格	Hot Swappable Dual I2C Isolators
ADUM1251ARZ-RL7	ADI	获取价格	Hot Swappable Dual I2C Isolators
ADuM1251WARZ	ADI	获取价格	Hot Swappable, Dual I2C Isolators
ADuM1251WARZ-RL7	ADI	获取价格	Hot Swappable, Dual I2C Isolators
ADUM1252	ADI	获取价格	Ultra-Low Power, Bidirectional I2C Isolator with Extended VDD, Idle-Bus Hot-Swap and Low V

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