adum1300 Analog Devices, Inc., adum1300 Datasheet

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adum1300

Manufacturer Part Number
adum1300
Description
Triple-channel Digital Isolators
Manufacturer
Analog Devices, Inc.
Datasheet

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FEATURES
Low power operation
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°C
High data rate: dc to 90 Mbps (NRZ)
Precise timing characteristics
High common-mode transient immunity: >25 kV/μs
Output enable function
Wide body 16-lead SOIC package, Pb-free models available
Safety and regulatory approvals
APPLICATIONS
General-purpose multichannel isolation
SPI® interface/data converter isolation
RS-232/RS-422/RS-485 transceiver
Industrial field bus isolation
Rev. C
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.
5 V operation
3 V operation
2 ns max pulse-width distortion
2 ns max channel-to-channel matching
UL recognition: 2500 V rms for 1 minute per UL 1577
CSA component acceptance notice #5A
VDE certificate of conformity
1.2 mA per channel max @ 0 Mbps to 2 Mbps
3.5 mA per channel max @ 10 Mbps
32 mA per channel max @ 90 Mbps
0.8 mA per channel max @ 0 Mbps to 2 Mbps
2.2 mA per channel max @ 10 Mbps
20 mA per channel max @ 90 Mbps
DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
DIN EN 60950 (VDE 0805): 2001-12; EN 60950:2000
V
IORM
= 560 V peak
GND
GND
V
Figure 1. ADuM1300 Functional Block Diagram
DD1
V
V
V
NC
NC
IA
IB
IC
1
1
1
2
3
4
5
6
7
8
ENCODE
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DECODE
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V
GND
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FUNCTIONAL BLOCK DIAGRAMS
2
2
Triple-Channel Digital Isolators
GENERAL DESCRIPTION
The ADuM130x are 3-channel digital isolators based on Analog
Devices’ iCoupler® technology. Combining high speed CMOS
and monolithic transformer technology, these isolation compo-
nents provide outstanding performance characteristics superior
to alternatives such as optocoupler devices.
By avoiding the use of LEDs and photodiodes, iCoupler devices
remove 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 iCoupler digital interfaces and stable performance
characteristics. The need for external drivers and other discretes
is eliminated with these iCoupler products. Furthermore,
iCoupler devices consume one-tenth to one-sixth the power of
optocouplers at comparable signal data rates.
The ADuM130x isolators provide three independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide). Both models operate with the supply
voltage on either side ranging from 2.7 V to 5.5 V, providing
compatibility with lower voltage systems as well as enabling a
voltage translation functionality across the isolation barrier. In
addition, the ADuM130x provides low pulse-width distortion
(<2 ns for CRW grade) and tight channel-to-channel matching
(<2 ns for CRW grade). Unlike other optocoupler alternatives,
the ADuM130x isolators have a patented refresh feature that
ensures dc correctness in the absence of input logic transitions
and during power-up/power-down conditions.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
GND
GND
V
V
DD1
V
V
NC
V
OC
Figure 2. ADuM1301 Functional Block Diagram
IA
IB
E1
1
1
1
2
3
4
5
6
7
8
ADuM1300/ADuM1301
ENCODE
ENCODE
DECODE
© 2004 Analog Devices, Inc. All rights reserved.
DECODE
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ENCODE
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www.analog.com
DD2
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OR V
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