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5-Channel, Unidirectional Digital Isolator
Data Sheet
FEATURES
RoHS compliant, 16-lead, wide body SOIC package
Low power operation: 5 V
1.3 mA per channel maximum @ 0 Mbps to 2 Mbps
3.3 mA per channel maximum @ 10 Mbps
High temperature operation: 105°C
Up to 10 Mbps data rate (NRZ)
Low default output state
Safety and regulatory approvals
UL recognition: 2500 V rms for 1 minute per UL 1577
APPLICATIONS
General-purpose, unidirectional, multichannel isolation
ADuM1510
GENERAL DESCRIPTION
The ADuM1510 1 is a unidirectional, 5-channel isolator based
on the Analog Devices, Inc., i Coupler? technology. Combining
high speed CMOS and monolithic air core transformer technology,
these isolation components provide outstanding performance
characteristics superior to alternatives such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, i Coupler devices
eliminate the design difficulties commonly associated with
optocouplers. The typical optocoupler concerns regarding
uncertain current transfer ratios, nonlinear transfer functions,
and temperature and lifetime effects are eliminated with the
simple i Coupler digital interfaces and stable performance
characteristics. The need for external drivers and other discrete
components is eliminated with i Coupler products. In addition,
i Coupler devices run at one-tenth to one-sixth the power
consumption of optocouplers at comparable signal data rates.
The ADuM1510 isolator provides five independent isolation
channels supporting data rates up to 10 Mbps. The ADuM1510
operates with the supply voltage of either side ranging from 4.5 V
to 5.5 V. Unlike other optocoupler alternatives, the ADuM1510
isolator has a patented refresh feature that ensures dc correctness in
the absence of input logic transitions and during power-up/
power-down conditions.
1
Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329.
FUNCTIONAL BLOCK DIAGRAM
V DD1 1
GND 1 2
ADuM1510
16
15
V DD2
GND 2
V IA 3
V IB 4
V IC 5
V ID 6
V IE 7
GND 1 8
ENCODE
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
DECODE
14
13
12
11
10
9
V OA
V OB
V OC
V OD
V OE
GND 2
Figure 1.
Rev. B
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 registered trademarks are the 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 ?2008–2012 Analog Devices, Inc. All rights reserved.
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