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ADUM1402CRWZ-RL

更新时间： 2024-11-27 13:00:19
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亚德诺 - ADI /
页数 文件大小 规格书
32页 490K
描述
Quad-Channel Digital Isolator (2/2 Channel Directionality)

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ADUM1402CRWZ-RL 数据手册

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Quad-Channel Digital Isolators  
Data Sheet  
ADuM1400/ADuM1401/ADuM1402  
FEATURES  
GENERAL DESCRIPTION  
Qualified for automotive applications  
Low power operation  
5 V operation  
The ADuM140x1 are quad-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.  
1.0 mA per channel maximum @ 0 Mbps to 2 Mbps  
3.5 mA per channel maximum @ 10 Mbps  
31 mA per channel maximum @ 90 Mbps  
3 V operation  
0.7 mA per channel maximum @ 0 Mbps to 2 Mbps  
2.1 mA per channel maximum @ 10 Mbps  
20 mA per channel maximum @ 90 Mbps  
Bidirectional communication  
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  
temperature and lifetime effects are eliminated with the simple  
iCoupler digital interfaces and stable performance characteristics.  
3 V/5 V level translation  
High temperature operation: 125°C  
High data rate: dc to 90 Mbps (NRZ)  
Precise timing characteristics  
2 ns maximum pulse width distortion  
2 ns maximum channel-to-channel matching  
High common-mode transient immunity: >25 kV/μs  
Output enable function  
16-lead SOIC wide body package  
RoHS-compliant models available  
Safety and regulatory approvals  
UL recognition: 2500 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
VDE Certificate of Conformity  
The need for external drivers and other discrete components  
is eliminated with these iCoupler products. Furthermore,  
iCoupler devices consume one-tenth to one-sixth of the power  
of optocouplers at comparable signal data rates.  
The ADuM140x isolators provide four independent isolation  
channels in a variety of channel configurations and data rates  
(see the Ordering Guide). All models 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. In  
addition, the ADuM140x provides low pulse width distortion  
(<2 ns for CRW grade) and tight channel-to-channel matching  
(<2 ns for CRW grade). Unlike other optocoupler alternatives,  
the ADuM140x isolators have a patented refresh feature that  
ensures dc correctness in the absence of input logic transitions  
and when power is not applied to one of the supplies.  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
V
IORM = 560 V peak  
TÜV approval: IEC/EN/UL/CSA 61010-1  
APPLICATIONS  
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.  
General-purpose multichannel isolation  
SPI interface/data converter isolation  
RS-232/RS-422/RS-485 transceivers  
Industrial field bus isolation  
Automotive systems  
FUNCTIONAL BLOCK DIAGRAMS  
1
2
3
16  
15  
14  
1
2
3
16  
15  
14  
1
2
3
16  
15  
14  
V
V
V
V
DD2  
V
V
DD1  
DD2  
DD1  
DD1  
DD2  
GND  
V
GND  
GND  
V
GND  
2
GND  
GND  
1
2
1
2
1
ENCODE  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
V
V
V
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
V
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
V
V
V
IA  
OA  
OB  
OC  
IA  
IB  
OA  
IA  
IB  
OA  
V
V
4
5
13  
12  
4
5
13  
12  
4
5
13  
12  
V
V
IB  
OB  
OB  
V
V
V
V
V
V
IC  
ID  
IC  
OC  
OC  
OD  
IC  
6
7
8
11  
10  
9
6
7
8
11  
10  
9
6
7
8
11  
10  
9
V
V
V
V
V
V
V
V
OD  
E2  
OD  
ID  
ID  
NC  
GND  
V
V
E1  
E2  
E1  
E2  
GND  
GND  
GND  
GND  
GND  
2
1
2
1
2
1
Figure 1. ADuM1400  
Figure 2. ADuM1401  
Figure 3. ADuM1402  
Rev. H  
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  
Fax: 781.461.3113 ©2003–2012 Analog Devices, Inc. All rights reserved.  
 
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ADUM1402CRWZ-RL 替代型号

型号 品牌 替代类型 描述 数据表
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