Quad-Channel Digital Isolators
Data Sheet
ADuM2400/ADuM2401/ADuM2402
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
Low power operation
5 V operation
1
2
3
ADuM2400 16
V
V
DD1
DD2
15
GND
GND
1
2
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
14
13
12
V
V
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
V
V
V
IA
OA
OB
OC
4
5
IB
V
IC
ID
6
7
8
11
10
9
V
V
V
OD
E2
NC
GND
GND
1
2
Figure 1. ADuM2400
3 V/5 V level translation
1
2
3
16
15
14
V
V
ADuM2401
DD1
DD2
High temperature operation: 105°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
GND
GND
2
1
V
V
ENCODE
DECODE
DECODE
DECODE
ENCODE
V
V
V
IA
OA
OB
OC
4
5
13
12
ENCODE
ENCODE
DECODE
IB
V
IC
6
7
8
11
10
9
V
V
V
OD
ID
V
E1
E2
GND
GND
1
2
16-lead SOIC wide body package version (RW-16)
16-lead SOIC wide body enhanced creepage version (RI-16)
Safety and regulatory approvals (RI-16 package)
UL recognition: 5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice 5A
IEC 60601-1: 250 V rms (reinforced)
IEC 60950-1: 400 V rms (reinforced)
VDE Certificate of Conformity
Figure 2. ADuM2401
1
2
3
16
15
14
V
V
ADuM2402
DD1
DD2
GND
GND
1
2
V
V
ENCODE
DECODE
DECODE
ENCODE
ENCODE
V
V
V
IA
OA
OB
IC
4
5
13
12
ENCODE
DECODE
DECODE
IB
V
V
OC
6
7
8
11
10
9
V
V
OD
ID
V
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
E1
E2
GND
GND
1
2
V
IORM = 846 V peak
Figure 3. ADuM2402
APPLICATIONS
General-purpose, high voltage, multichannel isolation
Medical equipment
Motor drives
Power supplies
ture and lifetime effects are eliminated with the simple iCoupler
digital interfaces and stable performance characteristics. Further-
more, iCoupler devices run at one-tenth to one-sixth the power
of optocouplers at comparable signal data rates.
GENERAL DESCRIPTION
The ADuM2400/ADuM2401/ADuM2402 isolators provide four
independent isolation channels in a variety of channel configura-
tions and data rates (see the Ordering Guide). The ADuM2400/
ADuM2401/ADuM2402 models operate with the supply voltage
of either side ranging from 2.7 V to 5.5 V, providing compatibil-
ity with lower voltage systems as well as enabling a voltage
translation functionality across the isolation barrier. In addition,
the ADuM2400/ADuM2401/ADuM2402 provide low pulse
width distortion (<2 ns for CRWZ grade) and tight channel-to-
channel matching (<2 ns for CRWZ grade). The ADuM2400/
ADuM2401/ADuM2402 isolators have a patented refresh feature
that ensures dc correctness in the absence of input logic transitions
and during power-up/power-down conditions.
The ADuM2400/ADuM2401/ADuM24021 are 4-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 that are superior to alternatives, such
as optocoupler devices.
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 tempera
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.
Rev. F
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Tel: 781.329.4700 ©2005–2015 Analog Devices, Inc. All rights reserved.
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