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ADUM2281BRIZ

更新时间： 2024-10-28 21:10:51
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亚德诺 - ADI 光电二极管接口集成电路
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20页 317K
描述
5 kV RMS Dual Channel Digital Isolators (Default High, 1/1 Channel Directionality)

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 浏览型号ADUM2281BRIZ的Datasheet PDF文件第2页浏览型号ADUM2281BRIZ的Datasheet PDF文件第3页浏览型号ADUM2281BRIZ的Datasheet PDF文件第4页浏览型号ADUM2281BRIZ的Datasheet PDF文件第5页浏览型号ADUM2281BRIZ的Datasheet PDF文件第6页浏览型号ADUM2281BRIZ的Datasheet PDF文件第7页 
5 kV RMS Dual Channel Digital Isolators  
ADuM2280/ADuM2281/ADuM2285/ADuM2286  
Data Sheet  
The ADuM2280/ADuM2281/ADuM2285/ADuM22861 (also  
referred to as ADuM228x in this data sheet) are 5 kV rms dual-  
channel digital isolators based on Analog Devices, Inc., iCoupler®  
technology. Combining high speed CMOS and monolithic air  
core transformer technology, these isolation components  
provide outstanding performance characteristics superior to  
alternatives, such as optocoupler devices and other integrated  
couplers.  
FEATURES  
High isolation voltage: 5000 V rms  
Up to 100 Mbps data rate  
Low propagation delay: 24 ns maximum  
Low dynamic power consumption  
Bidirectional communication  
3 V to 5 V level translation  
High temperature operation: 125°C  
High common-mode transient immunity: >25 kV/μs  
Default high output: ADuM2280/ADuM2281  
Default low output: ADuM2285/ADuM2286  
16-lead SOIC wide body enhanced creepage package  
Safety and regulatory approvals (pending)  
With propagation delay at 24 ns maximum, pulse width  
distortion is less than 2 ns for C grade. Channel-to-channel  
matching is tight at 5 ns for C grade. The ADuM228x are  
available in two channel configurations with three different  
data rates up to 100 Mbps (see the Ordering Guide). All models  
UL recognition: 5000 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
IEC 60601-1: 250 V rms (reinforced)  
IEC 60950-1: 400 V rms (reinforced)  
VDE Certificate of Conformity  
operate with the supply voltage on either side ranging from  
2.7 V to 5.5 V, providing compatibility with lower voltage  
systems as well as enabling a voltage translation functionality  
across the isolation barrier. Unlike other optocoupler  
alternatives, the ADuM228x isolators have a patented refresh  
feature that ensures dc correctness in the absence of input logic  
transitions. When power is first applied or is not yet applied to  
the input side, the ADuM2280 and ADuM2281 have a default  
high output and the ADuM2285 and ADuM2286 have a default  
low output.  
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12  
V
IORM = 846 V peak  
Pin-compatible with ADuM220x and ADuM221x families  
APPLICATIONS  
General-purpose, high voltage, multichannel isolation  
Medical equipment  
Power supplies  
RS-232/RS-422/RS-485 transceiver isolation  
GENERAL DESCRIPTION  
FUNCTIONAL BLOCK DIAGRAMS  
1
2
3
4
16  
15  
14  
13  
1
2
3
4
16  
15  
14  
13  
GND  
GND  
GND  
GND  
NC  
PIN 1  
INDICATOR  
PIN 1  
INDICATOR  
1
2
1
2
ADuM2280/  
ADuM2285  
ADuM2281/  
ADuM2286  
NC  
NC  
NC  
V
V
V
V
V
V
DD1  
DD2  
DD1  
DD2  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
DECODE  
V
V
V
OA  
IA  
IB  
OA  
OB  
IA  
5
6
7
8
12  
11  
10  
9
5
6
7
8
12  
11  
10  
9
V
V
V
IB  
OB  
NC  
GND  
NC  
NC  
NC  
NC  
GND  
NC  
1
1
NC  
GND  
NC  
GND  
2
2
NC = NO CONNECT  
NC = NO CONNECT  
Figure 1. ADuM2280/ADuM2285  
Pin-Compatible with ADuM2200/ADuM2210  
Figure 2. ADuM2281/ADuM2286  
Pin-Compatible with ADuM2201/ADuM2211  
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.  
Rev. 0 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  
Technical Support  
©2012 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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