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ADUM5401CRWZ1

更新时间： 2024-11-27 04:04:51
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亚德诺 - ADI 转换器
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24页 591K
描述
Quad-Channel Isolators with Integrated DC-to-DC Converter

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ADUM5401CRWZ1 数据手册

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Quad-Channel Isolators with  
Integrated DC-to-DC Converter  
ADuM5401/ADuM5402/ADuM5403/ADuM5404  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
isoPower integrated, isolated dc-to-dc converter  
Regulated 3.3 V or 5 V output  
500 mW output power  
Quad dc-to-25 Mbps (NRZ) signal isolation channels  
Schmitt trigger inputs  
16-lead SOIC package with >8 mm creepage  
High temperature operation: 105°C  
High common-mode transient immunity: >25 kV/μs  
Safety and regulatory approvals (pending)  
UL recognition  
OSC  
RECT  
REG  
1
2
3
4
5
6
7
8
16  
V
V
DD1  
ISO  
GND  
15 GND  
1
A
B
C
D
ISO  
I/O  
I/O  
I/O  
I/O  
14 I/O  
A
4 CHANNEL iCOUPLER CORE  
I/O  
I/O  
13  
12  
B
ADuM5401/ADuM5402/  
ADuM5403/ADuM5404  
C
11 I/O  
D
NC  
GND  
10  
9
V
SEL  
GND  
ISO  
1
2500 V rms for 1 minute per UL1577  
CSA Component Acceptance Notice #5A  
VDE certificate of conformity  
Figure 1.  
V
V
V
V
V
V
IA  
IB  
IC  
OA  
OB  
OC  
ADuM5401 14  
3
4
5
6
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
13  
VIORM = 560 V peak  
12  
11  
V
V
ID  
APPLICATIONS  
OD  
RS-232/RS-422/RS-485 transceiver  
Industrial field bus isolation  
Power supply startup bias and gate drive  
Isolated sensor interface  
Figure 2. ADuM5401  
V
V
V
V
IA  
IB  
OA  
OB  
IC  
3
4
5
6
ADuM5402 14  
V
Industrial PLC  
13  
V
OC  
12  
11  
V
V
ID  
OD  
GENERAL DESCRIPTION  
The ADuM5401/ADuM5402/ADuM5403/ADuM54041 devices  
are quad-channel digital isolators with isoPower™, an integrated,  
isolated dc-to-dc converter. Based on the Analog Devices, Inc.,  
iCoupler® technology, the dc-to-dc converter provides up to  
500 mW of regulated, isolated power at either 5.0 V from a 5.0 V  
input supply or 3.3 V from a 3.3 V supply. This eliminates the need  
for a separate, isolated dc-to-dc converter in low power, isolated  
designs. The iCoupler chip scale transformer technology is used  
to isolate the logic signals and the magnetic components of the  
dc-to-dc converter. The result is a small form factor, total isolation  
solution.  
Figure 3. ADuM5402  
V
V
V
V
IA  
OB  
OC  
OA  
3
4
5
6
ADuM5403 14  
V
V
IB  
13  
IC  
12  
11  
V
V
ID  
OD  
Figure 4. ADuM5403  
V
V
V
V
V
V
OA  
OB  
OC  
IA  
IB  
IC  
3
4
5
6
ADuM5404 14  
13  
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators  
provide four independent isolation channels in a variety of  
channel configurations and data rates (see the Ordering Guide  
for more information).  
12  
11  
V
V
ID  
OD  
Figure 5. ADuM5404  
1
Protected by U.S. Patents 5,952,849; 6,873,065; and 7075 329 B2. Other  
patents pending.  
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  
©2008 Analog Devices, Inc. All rights reserved.  
 
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