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ADUM3400CRWZ

更新时间： 2024-11-09 04:04:51
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亚德诺 - ADI /
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24页 513K
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Quad-Channel, Digital Isolators, Enhanced System-Level ESD Reliability

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ADUM3400CRWZ 数据手册

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Quad-Channel, Digital Isolators,  
Enhanced System-Level ESD Reliability  
ADuM3400/ADuM3401/ADuM3402  
FEATURES  
GENERAL DESCRIPTION  
Enhanced system-level ESD performance per IEC 61000-4-x  
Low power operation  
5 V operation  
The ADuM340x1 are 4-channel digital isolators based on  
Analog Devices’ iCoupler® technology. Combining high speed  
CMOS and monolithic air core transformer technology, these  
isolation components provide outstanding performance  
1.4 mA per channel maximum @ 0 Mbps to 2 Mbps  
4.3 mA per channel maximum @ 10 Mbps  
34 mA per channel maximum @ 90 Mbps  
3 V operation  
0.9 mA per channel maximum @ 0 Mbps to 2 Mbps  
2.4 mA per channel maximum @ 10 Mbps  
20 mA per channel maximum @ 90 Mbps  
Bidirectional communication  
characteristics superior to alternatives such as optocoupler devices.  
iCoupler devices remove the design difficulties commonly  
associated with optocouplers. 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. The need for external drivers and other discrete  
components is eliminated with these iCoupler products.  
3 V/5 V level translation  
High temperature operation: 105°C  
High data rate: dc to 90 Mbps (NRZ)  
Precise timing characteristics  
Furthermore, iCoupler devices consume one-tenth to one-sixth the  
power of optocouplers at comparable signal data rates.  
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, Pb-free package  
Safety and regulatory approvals  
UL recognition: 2500 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
VDE Certificate of Conformity  
DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01  
DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000  
VIORM = 560 V peak  
The ADuM340x isolators provide three 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. The  
ADuM340x isolators have a patented refresh feature that ensures dc  
correctness in the absence of input logic transitions and during  
power-up/power-down conditions.  
In comparison to the ADuM140x isolators, the ADuM340x  
isolators contain various circuit and layout changes to provide  
increased capability relative to system-level IEC 61000-4-x testing  
(ESD/burst/surge). The precise capability in these tests for either  
the ADuM140x or ADuM340x products is strongly determined by  
the design and layout of the user’s board or module. For more  
information, see Application Note AN-793, ESD/Latch-Up  
Considerations with iCoupler Isolation Products.  
APPLICATIONS  
General-purpose multichannel isolation  
SPI® interface/data converter isolation  
RS-232/RS-422/RS-485 transceivers  
Industrial field bus isolation  
1 Protected by U.S. Patents 5,952,849 and 6,873,065. Other patents pending.  
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
DD2  
DD1  
DD2  
DD1  
DD1  
GND  
V
GND  
GND  
V
GND  
2
GND  
V
GND  
1
2
1
1
2
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
V
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
V
ENCODE  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
V
IA  
IB  
OA  
IA  
IB  
OA  
IA  
IB  
OA  
V
V
V
4
5
13  
12  
4
5
13  
12  
4
5
13  
12  
V
V
V
OB  
OB  
OB  
V
V
V
V
V
V
V
V
IC  
OC  
OC  
IC  
IC  
OC  
6
7
8
11  
10  
9
6
7
8
11  
10  
9
6
7
8
11  
10  
9
V
V
V
V
OD  
ID  
OD  
ID  
ID  
OD  
V
V
V
V
NC  
GND  
V
E1  
E2  
E1  
E2  
E2  
GND  
GND  
GND  
GND  
2
GND  
1
2
1
1
2
Figure 1. ADuM3400 Functional Block Diagram  
Figure 2. ADuM3401 Functional Block Diagram  
Figure 3. ADuM3402 Functional Block Diagram  
Rev. 0  
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  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
 
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ADUM3400CRWZ 替代型号

型号 品牌 替代类型 描述 数据表
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