Quad-Channel, Digital Isolators,
Enhanced System-Level ESD Reliability
Data Sheet
ADuM3400W/ADuM3401W/ADuM3402W
FEATURES
GENERAL DESCRIPTION
Enhanced system-level ESD performance per IEC 61000-4-x
Low power operation
5 V operation
1.4 mA per channel maximum at 0 Mbps to 2 Mbps
4.3 mA per channel maximum at 10 Mbps
3.3 V operation
The ADuM340xW1 are 4-channel digital isolators based on the
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.
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. Further-
more, iCoupler devices consume one-tenth to one-sixth the power
of optocouplers at comparable signal data rates.
0.9 mA per channel maximum at 0 Mbps to 2 Mbps
2.4 mA per channel maximum at 10 Mbps
Bidirectional communication
3.3 V/5 V level translation
High temperature operation: 125°C
High data rate: dc to 10 Mbps (NRZ)
Precise timing characteristics
3.5 ns maximum pulse width distortion
3.5 ns maximum channel-to-channel matching
High common-mode transient immunity: >25 kV/μs
Output enable function
16-lead SOIC wide body, RoHS-compliant 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
The ADuM340xW isolators provide four independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide). All models of the ADuM340xW
provide operation from 3.135 V to 5.5 V, providing
compatibility with lower voltage systems as well as enabling a
voltage level translation function across the isolation barrier. The
ADuM340xW 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 V VDE V 0884-10 (VDE V 0884-10): 2006-12
VIORM = 560 V peak
Qualified for automotive applications
The ADuM340xW 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 is strongly determined by the design and layout of
the user’s board or module. For more information, see the
AN-793 Application Note, ESD/Latch-Up Considerations with
iCoupler Isolation Products.
APPLICATIONS
Hybrid electric vehicles
Battery monitor
Motor drive
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
FUNCTIONAL BLOCK DIAGRAMS
1
2
3
16
15
14
V
V
DD2
1
2
3
16
15
14
V
1
2
3
16
15
14
V
DD2
V
V
DD2
DD1
DD1
DD1
GND
V
GND
GND
GND
GND
V
GND
1
2
1
2
1
2
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
ENCODE
V
V
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
V
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
V
IA
IB
OA
IA
IB
OA
IA
IB
OA
V
4
5
13
12
V
V
4
5
13
12
V
4
5
13
12
V
V
OB
OB
OB
V
V
V
V
V
V
V
V
OC
OD
IC
IC
OC
IC
ID
OC
6
7
8
11
10
9
V
6
7
8
11
10
9
6
7
8
11
10
9
V
V
V
ID
OD
ID
OD
V
V
V
V
NC
GND
V
E1
E2
E1
E2
E2
GND
GND
GND
GND
GND
1
2
1
2
1
2
Figure 3. ADuM3402W Functional Block
Diagram
Figure 1. ADuM3400W Functional Block
Diagram
Figure 2. ADuM3401W Functional Block
Diagram
Rev. B
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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 ©2012–2014 Analog Devices, Inc. All rights reserved.
Technical Support
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