iCoupler Digital Isolator
Data Sheet
ADuM1100
FEATURES
GENERAL DESCRIPTION
High data rate: dc to 100 Mbps (NRZ)
Compatible with 3.3 V and 5.0 V operation/level translation
125°C maximum operating temperature
Low power operation
5 V operation
1.0 mA maximum @ 1 Mbps
4.5 mA maximum @ 25 Mbps
16.8 mA maximum @ 100 Mbps
3.3 V operation
The ADuM11001 is a digital isolator based on Analog Devices
Inc., iCoupler® technology. Combining high speed CMOS and
monolithic air core transformer technology, this isolation
component provides outstanding performance characteristics
superior to alternatives, such as optocoupler devices.
Configured as a pin-compatible replacement for existing high
speed optocouplers, the ADuM1100 supports data rates as high
as 25 Mbps and 100 Mbps.
The ADuM1100 operates with a voltage supply ranging from
3.0 V to 5.5 V, boasts a propagation delay of <18 ns and edge
asymmetry of <2 ns, and is compatible with temperatures up
to 125°C. It operates at very low power, less than 0.9 mA of
quiescent current (sum of both sides), and a dynamic current
of less than 160 μA per Mbps of data rate. Unlike other optocoupler
alternatives, the ADuM1100 provides dc correctness with a
patented refresh feature that continuously updates the output
signal.
0.4 mA maximum @ 1 Mbps
3.5 mA maximum @ 25 Mbps
7.1 mA maximum @ 50 Mbps
8-lead SOIC_N package (RoHS compliant version available)
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals
UL recognized
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE Certificate of Conformity
The ADuM1100 is offered in three grades. The ADuM1100AR
and ADuM1100BR can operate up to a maximum temperature
of 105°C and support data rates up to 25 Mbps and 100 Mbps,
respectively. The ADuM1100UR can operate up to a maximum
temperature of 125°C and supports data rates up to 100 Mbps.
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V
IORM = 560 V peak
APPLICATIONS
Digital field bus isolation
Opto-isolator replacement
Computer peripheral interface
Microprocessor system interface
General instrumentation and data acquisition applications
1 Protected by U.S. Patents 5,952,849; 6,525,566; 6,922,080; 6,903,578;
6,873,065; 7,075,329.
FUNCTIONAL BLOCK DIAGRAM
V
1
2
8
V
DD1
DD2
D
E
C
O
D
E
E
N
C
O
D
E
V
I
7
6
GND
2
(DATA IN)
V
O
V
3
DD1
(DATA OUT)
UPDATE
WATCHDOG
GND
1
4
5
GND
2
ADuM1100
NOTES
1. FOR PRINCIPLES OF OPERATION, SEE METHOD OF OPERATION,
DC CORRECTNESS, AND MAGNETIC FIELD IMMUNITY SECTION.
Figure 1.
Rev. I
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 www.analog.com
Fax: 781.461.3113 ©2001–2012 Analog Devices, Inc. All rights reserved.
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