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Analog Devices - 5.0 kV RMS Dual Channel Digital Isolators

Numéro de référence ADuM221N
Description 5.0 kV RMS Dual Channel Digital Isolators
Fabricant Analog Devices 
Logo Analog Devices 





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ADuM221N fiche technique
Data Sheet
5.0 kV RMS Dual Channel Digital Isolators
ADuM220N/ADuM221N/ADuM225N/ADuM226N
FEATURES
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
150 Mbps maximum data rate
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
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 849 V peak
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
General-purpose multichannel isolation
Industrial field bus isolation
Automotive systems
GENERAL DESCRIPTION
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.
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
FUNCTIONAL BLOCK DIAGRAMS
GND1 1
NIC 2
VDD1 3
VIA 4
VIB 5
NIC 6
GND1 7
NIC 8
ENCODE
ENCODE
ADuM220N 16 GND2
15 NIC
DECODE
14 VDD2
13 VOA
DECODE
12 VOB
11 NIC
10 NIC
Figure 1.
9 GND2
GND1 1
NIC 2
VDD1 3
VOA 4
VIB 5
NIC 6
GND1 7
NIC 8
DECODE
ENCODE
ADuM221N
ENCODE
DECODE
Figure 2.
16 GND2
15 NIC
14 VDD2
13 VIA
12 VOB
11 NIC
10 NIC
9 GND2
VDD1 1
ADuM225N
8 VDD2
VIA 2
ENCODE
DECODE
7 VOA
VIB 3
ENCODE
DECODE
6 VOB
GND1 4
Figure 3.
5 GND2
VDD1 1
ADuM226N
8 VDD2
VOA 2
DECODE
ENCODE
7 VIA
VIB 3
ENCODE
DECODE
6 VOB
GND1 4
5 GND2
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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