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/s
1 16
GND GND
1 2
ADuM220N
High robustness to radiated and conducted noise
2 15
NIC NIC
Low propagation delay: 13 ns maximum for 5 V operation,
3 14
V V
DD1 DD2
15 ns maximum for 1.8 V operation
4 ENCODE DECODE 13
V V
IA OA
150 Mbps maximum data rate
5 ENCODE DECODE 12
V V
IB OB
Safety and regulatory approvals (pending)
6 11
NIC NIC
UL recognition: 5000 V rms for 1 minute per UL 1577
7 10
GND NIC
1
CSA Component Acceptance Notice 5A
NIC 8 9 GND
VDE certificate of conformity 2
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
Figure 1.
V = 849 V peak
IORM
1 16
GND GND
1 2
ADuM221N
10,000 V peak surge/impulse voltage rating
2 15
NIC NIC
CQC Certification per GB4943.1-2011
3 14
V V
DD1 DD2
Low dynamic power consumption
13
4 DECODE ENCODE
V V
OA IA
1.8 V to 5 V level translation
5 ENCODE DECODE 12
V V
High temperature operation: 125C maximum IB OB
6 11
Fail-safe high or low options NIC NIC
8-lead/16-lead, RoHS compliant SOIC packages GND 7 10 NIC
1
Qualified for automotive applications
NIC 8 9 GND
2
APPLICATIONS
Figure 2.
General-purpose multichannel isolation
ADuM225N
Industrial field bus isolation
1 8
V V
DD1 DD2
Automotive systems
2 ENCODE DECODE 7
V V
IA OA
GENERAL DESCRIPTION
1
3 ENCODE DECODE 6
V V
The ADuM220N/ADuM221N/ADuM225N/ADuM226N are IB OB
dual-channel digital isolators based on Analog Devices, Inc.,
4 5
GND GND
1 2
iCoupler technology. Combining high speed, complementary
Figure 3.
metal-oxide semiconductor (CMOS) and monolithic air core
transformer technology, these isolation components provide
ADuM226N
1 8
V V
outstanding performance characteristics superior to alternatives DD1 DD2
such as optocoupler devices and other integrated couplers. The
2 DECODE ENCODE 7
V V
OA IA
maximum propagation delay is 13 ns with a pulse width distortion
3 ENCODE DECODE 6
V V
IB OB
(PWD) of less than 3 ns at 5 V operation. Channel matching is
tight at 3.0 ns maximum.
4 5
GND GND
1 2
The ADuM220N/ADuM221N/ADuM225N/ADuM226N data
Figure 4
channels are independent and are available in a variety of
the outputs transition to a predetermined state when the input
configurations with a withstand voltage rating of 5.0 kV rms (see
power supply is not applied or the inputs are disabled.The
the Ordering Guide). The devices operate with the supply voltage
ADuM220N0 is pin compatible with the ADuM2210 RW-16
on either side ranging from 1.8 V to 5 V, providing compatibil-
package. The ADuM220N1 is pin compatible with the
ity with lower voltage systems as well as enabling voltage translation
ADuM2200 RW-16 package. The ADuM221N0 is pin compati-
functionality across the isolation barrier. Unlike other optocoupler
ble with the ADuM2211 RW-16 package. The ADuM221N1 is
alternatives, dc correctness is ensured in the absence of input logic
pin compatible with the ADuM2201 RW-16 package.
transitions. Two different fail-safe options are available, in which
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
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14116-004 14116-003
14116-002
14116-001ADuM220N/ADuM221N/ADuM225N/ADuM226N Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1 Absolute Maximum Ratings ......................................................... 13
Applications ....................................................................................... 1 ESD Caution................................................................................ 13
General Description ......................................................................... 1 Pin Configurations and Function Descriptions ......................... 15
Functional Block Diagrams ............................................................. 1 Typical Performance Characteristics ........................................... 18
Revision History ............................................................................... 2 Theory of Operation ...................................................................... 19
Specifications ..................................................................................... 3 Overview ..................................................................................... 19
Electrical Characteristics5 V Operation................................ 3 Applications Information .............................................................. 20
Electrical Characteristics3.3 V Operation ............................ 4 PCB Layout ................................................................................. 20
Electrical Characteristics2.5 V Operation ............................ 6 Propagation Delay Related Parameters ................................... 20
Electrical Characteristics1.8 V Operation ............................ 7 Jitter Measurement ..................................................................... 20
Insulation and Safety Related Specifications ............................ 9 Insulation Lifetime ..................................................................... 20
Package Characteristics ............................................................... 9 Outline Dimensions ....................................................................... 22
Regulatory Information ............................................................. 10 Ordering Guide .......................................................................... 23
DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Automotive Products ................................................................. 23
Characteristics ............................................................................ 11
Recommended Operating Conditions .................................... 12
REVISION HISTORY
9/2016Rev. 0 to Rev. A
Changes to Features Section and Applications Section ............... 1
Added Automotive Products Section........................................... 23
Changes to Ordering Guide .......................................................... 23
4/2016Revision 0: Initial Version
Rev. A | Page 2 of 23