5.0 kV RMS Dual Channel Digital Isolators
Data Sheet
ADuM220N/ADuM221N/ADuM225N/ADuM226N
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
High common-mode transient immunity: 100 kV/μs
High robustness to radiated and conducted noise
Low propagation delay: 13 ns maximum for 5 V operation,
15 ns maximum for 1.8 V operation
1
2
3
4
16
15
14
13
GND
GND
1
2
ADuM220N
NIC
NIC
V
V
V
DD1
DD2
ENCODE
ENCODE
DECODE
DECODE
V
V
IA
IB
OA
OB
150 Mbps maximum data rate
5
6
7
8
12
11
10
9
V
Safety and regulatory approvals (pending)
UL recognition: 5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice 5A
NIC
NIC
NIC
GND
GND
1
NIC
2
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
Figure 1.
V
IORM = 849 V peak
1
2
3
4
16
15
14
13
GND
GND
NIC
1
2
ADuM221N
10,000 V peak surge/impulse voltage rating
CQC Certification per GB4943.1-2011
Low dynamic power consumption
1.8 V to 5 V level translation
High temperature operation: 125°C maximum
Fail-safe high or low options
8-lead/16-lead, RoHS compliant SOIC packages
Qualified for automotive applications
APPLICATIONS
NIC
V
V
V
DD1
DD2
DECODE
ENCODE
ENCODE
DECODE
V
OA
IA
5
6
7
8
12
11
10
9
V
V
IB
OB
NIC
NIC
NIC
GND
GND
1
NIC
2
Figure 2.
General-purpose multichannel isolation
Industrial field bus isolation
Automotive systems
GENERAL DESCRIPTION
ADuM225N
1
2
3
4
8
7
6
5
V
V
V
V
DD1
DD2
OA
OB
ENCODE
ENCODE
DECODE
DECODE
V
V
IA
The ADuM220N/ADuM221N/ADuM225N/ADuM226N1 are
dual-channel digital isolators based on Analog Devices, Inc.,
iCoupler® technology. Combining high speed, complementary
metal-oxide semiconductor (CMOS) and monolithic air core
transformer technology, these isolation components provide
outstanding performance characteristics superior to alternatives
such as optocoupler devices and other integrated couplers. The
maximum propagation delay is 13 ns with a pulse width distortion
(PWD) of less than 3 ns at 5 V operation. Channel matching is
tight at 3.0 ns maximum.
IB
GND
GND
2
1
Figure 3.
ADuM226N
1
2
3
4
8
7
6
5
V
V
V
V
DD1
DD2
DECODE
ENCODE
ENCODE
DECODE
V
OA
IA
V
IB
OB
GND
GND
2
1
The ADuM220N/ADuM221N/ADuM225N/ADuM226N data
channels are independent and are available in a variety of
configurations with a withstand voltage rating of 5.0 kV rms (see
the Ordering Guide). The devices operate with the supply voltage
on either side ranging from 1.8 V to 5 V, providing compatibil-
ity with lower voltage systems as well as enabling voltage translation
functionality across the isolation barrier. Unlike other optocoupler
alternatives, dc correctness is ensured in the absence of input logic
transitions. Two different fail-safe options are available, in which
Figure 4
the outputs transition to a predetermined state when the input
power supply is not applied or the inputs are disabled.The
ADuM220N0 is pin compatible with the ADuM2210 RW-16
package. The ADuM220N1 is pin compatible with the
ADuM2200 RW-16 package. The ADuM221N0 is pin compati-
ble with the ADuM2211 RW-16 package. The ADuM221N1 is
pin compatible with the ADuM2201 RW-16 package.
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.
Rev. A Document Feedback
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
Technical Support
©2016 Analog Devices, Inc. All rights reserved.
www.analog.com
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