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ADUM2400ARWZ

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Quad-Channel Digital Isolators, 5KV

ADUM2400ARWZ 数据手册

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Quad-Channel Digital Isolators, 5KV  
Preliminary Technical Data  
ADuM2400/ADuM2401/ADuM2402  
GENERAL DESCRIPTION  
FEATURES  
Low power operation  
The ADuM240x are four-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  
characteristics superior to alternatives such as optocoupler  
devices. In comparison to the 2.5KV ADuM140x product  
family, ADuM240x models have increased insulation thickness  
to achieve the higher 5.0KV isolation rating.  
5 V operation:  
1.0 mA per channel max @ 0–2 Mbps  
3.5 mA per channel max @ 10 Mbps  
31 mA per channel max @ 90 Mbps  
3 V operation:  
0.7 mA per channel max @ 0–2 Mbps  
2.1 mA per channel max @ 10 Mbps  
20 mA per channel max @ 90 Mbps  
Bidirectional communication  
By avoiding the use of LEDs and photodiodes, iCoupler devices  
remove the design difficulties commonly associated with  
optocouplers. 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. The need for external drivers and other discretes  
is eliminated with these iCoupler products. Furthermore,  
iCoupler devices run at one-tenth to one-sixth the power  
consumption of optocouplers at comparable signal data rates.  
3 V/5 V level translation  
High temperature operation: 105°C  
High data rate: DC–90 Mbps (NRZ)  
Precise timing characteristics:  
2 ns max. pulsewidth distortion  
2 ns max. channel-to-channel matching  
High common-mode transient immunity: > 25 kV/μs  
Output enable function  
Wide body SOIC 16-lead package  
Safety and regulatory approvals (pending)  
UL recognition: 5000 V rms for 1 minute per UL 1577  
CSA component acceptance notice #5A  
VDE certificate of conformity  
The ADuM240x isolators provide four independent isolation  
channels in a variety of channel configurations and data rates (see  
Ordering Guide). All ADuM240x models operate with the supply  
voltage of 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 ADuM240x provides low pulse width distortion (<2  
ns for CRWZ grade), and tight channel-to-channel matching (<2  
ns for CRWZ grade). Unlike other optocoupler alternatives, the  
ADuM240x isolators have a patented refresh feature that ensures  
dc correctness in the absence of input logic transitions and during  
power-up/power-down conditions.  
DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01  
DIN EN 60950 (VDE 0805):2001-12;EN 60950:2000  
VIORM = 848 V peak  
IEC 60601-1  
APPLICATIONS  
General-purpose, high voltage, multichannel isolation  
Medical Equipment  
Motor Drives  
Power Supplies  
FUNCTIONAL BLOCK DIAGRAMS  
Vdd1  
Vdd2  
1
2
3
16  
15  
14  
1
2
3
4
5
6
7
8
16  
1
2
3
4
5
6
7
8
16  
V
V
V
V
DD1  
DD2  
DD1  
DD2  
GND1  
VIA  
GND2  
VOA  
GND  
15 GND  
GND  
15 GND  
2
1
IA  
IB  
IC  
2
1
IA  
IB  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
14  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
V
V
V
V
V
V
V
V
V
V
14  
13  
12  
11  
10  
9
V
V
V
V
V
OA  
OB  
OC  
OD  
E2  
OA  
OB  
IC  
VIB  
VIC  
4
5
6
VOB  
VOC  
13  
12  
13  
12  
11  
10  
9
V
V
OC  
OD  
VOD  
VE1  
V
ID  
11  
10  
9
V
ID  
NC  
GND  
ID  
7
8
VE2  
V
E1  
E2  
GND1  
GND2  
GND  
2
GND  
GND  
2
1
1
Figure 2. ADuM2401 Functional Block Diagram  
Figure 1. ADuM2400 Functional Block Diagram  
Figure 3. ADuM2402 Functional Block Diagram  
Rev. PrD October 5, 2004  
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  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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