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ADUM1200UR-EP-RL7

更新时间: 2024-11-18 19:53:27
品牌 Logo 应用领域
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页数 文件大小 规格书
16页 237K
描述
Dual-Channel Digital Isolator (2/0 Channel Directionality)

ADUM1200UR-EP-RL7 数据手册

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Dual-Channel Digital Isolator  
Data Sheet  
ADuM1200-EP  
FEATURES  
GENERAL DESCRIPTION  
Narrow body, 8-lead SOIC package  
Low power operation  
5 V operation  
The ADuM1200-EP1 is a dual-channel, digital isolator based on  
the Analog Devices, Inc., iCoupler® technology. Combining  
high speed CMOS and monolithic transformer technologies,  
this isolation component provides outstanding performance  
characteristics superior to alternatives, such as optocouplers.  
1.1 mA per channel maximum at 0 Mbps to 2 Mbps  
3.7 mA per channel maximum at 10 Mbps  
8.2 mA per channel maximum at 25 Mbps  
3 V operation  
0.8 mA per channel maximum at 0 Mbps to 2 Mbps  
2.2 mA per channel maximum at 10 Mbps  
4.8 mA per channel maximum at 25 Mbps  
Precise timing characteristics  
High common-mode transient immunity: >25 kV/µs  
Safety and regulatory approvals  
UL recognition  
2500 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
VDE Certificate of Conformity  
By avoiding the use of LEDs and photodiodes, iCoupler devices  
remove the design difficulties commonly associated with opto-  
couplers. The typical optocoupler concerns regarding uncertain  
current transfer ratios, nonlinear transfer functions, and tem-  
perature and lifetime effects are eliminated with the simple  
iCoupler digital interfaces and stable performance characteristics.  
The need for external drivers and other discrete components is  
eliminated with these iCoupler products. Furthermore, iCoupler  
devices consume one-tenth to one-sixth the power of optocouplers  
at comparable signal data rates.  
The ADuM1200-EP isolator provides two independent isolation  
channels with a supply voltage on either side ranging from 3.0 V  
to 5.5 V. In addition, the ADuM1200-EP provides low pulse width  
distortion and tight channel-to-channel matching. Unlike other  
optocoupler alternatives, the ADuM1200-EP isolator has a  
patented refresh feature that ensures dc correctness in the absence  
of input logic transitions and during power-up/ power-down  
conditions.  
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12  
V
IORM = 560 V peak  
ENHANCED PRODUCT FEATURES  
Supports defense and aerospace applications (AQEC)  
Military temperature range (−55°C to +125°C)  
Controlled manufacturing baseline  
Enhanced product change notification  
Qualification data available on request  
Full details about this enhanced product are available in the  
ADuM1200/ADuM1201 data sheet, which should be consulted  
in conjunction with this data sheet.  
APPLICATIONS  
Size-critical multichannel isolation  
SPI interface/data converter isolation  
RS-232/RS-422/RS-485 transceiver isolation  
Digital field bus isolation  
FUNCTIONAL BLOCK DIAGRAM  
1
2
3
4
8
7
6
5
V
V
V
V
DD1  
DD2  
OA  
OB  
ENCODE  
ENCODE  
DECODE  
DECODE  
V
V
IA  
IB  
GND  
GND  
2
1
Figure 1.  
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.  
Rev. B  
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 ©2010–2014 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 

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