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ADUM2251WARWZ

更新时间： 2024-01-18 12:33:57
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管接口集成电路
页数 文件大小 规格书
16页 384K
描述
Hot-Swappable Dual I2C® Isolators, 5 kV

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ADUM2251WARWZ 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP,
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：2.18其他特性：ALSO REQUIRED SUPPLY VOLTAGE OF 3V TO 5.5V FOR PORTB
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：10.3 mm
湿度敏感等级：3功能数量：2
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
座面最大高度：2.65 mm最大供电电压：5.5 V
最小供电电压：3 V标称供电电压：5 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：7.5 mm
Base Number Matches：1

ADUM2251WARWZ 数据手册

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Hot Swappable, Dual I2C Isolators, 5 kV  
Data Sheet  
ADuM2250/ADuM2251  
FEATURES  
Bidirectional I2C communication  
Open-drain interfaces  
Suitable for hot swap applications  
30 mA current sink capability  
1000 kHz operation  
GENERAL DESCRIPTION  
The ADuM2250/ADuM22511 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.  
3.0 V to 5.5 V supply/logic levels  
16-lead SOIC wide body package version (RW-16)  
16-lead SOIC wide body enhanced creepage version (RI-16-2)  
High temperature operation: 105°C  
The ADuM2250 provides two bidirectional channels, supporting  
a complete isolated I2C interface. The ADuM2251 provides one  
bidirectional channel and one unidirectional channel for those  
applications where a bidirectional clock is not required.  
Safety and regulatory approvals  
The ADuM2250/ADuM2251 contain hot swap circuitry to  
prevent data glitches when an unpowered card is inserted onto  
an active bus.  
UL recognition: 5000 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice 5A (RI-16-2 package)  
IEC 60601-1: 250 V rms (reinforced)  
IEC 60950-1: 400 V rms (reinforced)  
VDE certificate of conformity  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
These isolators are based on iCoupler® chip scale transformer  
technology from Analog Devices, Inc. iCoupler is a magnetic  
isolation technology with performance, size, power consump-  
tion, and functional advantages compared to optocouplers. The  
ADuM2250/ADuM2251 integrate iCoupler channels with semi-  
conductor circuitry to enable a complete, isolated I2C interface  
in a small form factor package.  
V
IORM = 849 V peak  
Qualified for automotive applications  
APPLICATIONS  
Isolated I2C, SMBus, or PMBus interfaces  
Multilevel I2C interfaces  
Power supplies  
Networking  
Power over Ethernet  
FUNCTIONAL BLOCK DIAGRAMS  
1
16  
15  
14  
13  
12  
1
16  
15  
14  
13  
12  
GND  
GND  
NC  
GND  
GND  
NC  
V
1
2
1
2
ADuM2250  
ADuM2251  
2
NC  
2
3
4
5
NC  
3
V
DD1  
DD2  
V
V
DD2  
DD1  
NC  
4
5
ENCODE  
DECODE  
ENCODE  
DECODE  
NC  
DECODE  
ENCODE  
DECODE  
ENCODE  
NC  
ENCODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
NC  
SDA  
SDA  
1
1
1
2
SDA  
SCL  
GND  
SDA  
1
1
1
2
SCL  
SCL  
6
7
8
11  
10  
9
2
SCL  
6
7
8
11  
10  
9
2
GND  
NC  
GND  
NC  
NC  
2
GND  
NC  
2
NC = NO CONNECT  
NC = NO CONNECT  
Figure 1. ADuM2250 Functional Block Diagram  
Figure 2. ADuM2251 Functional Block Diagram  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329; other patents pending.  
Rev. D Document Feedback  
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 registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2007–2015 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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