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ADUM1400BRW-RL 其他数据使用手册 - ADI（亚德诺）
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ADUM1400BRW-RL数据手册
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Quad-Channel Digital Isolators
Data Sheet
ADuM1400/ADuM1401/ADuM1402
Rev. J 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.
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 ©2003–2015 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
Qualified for automotive applications
Low power operation
5 V operation
1.0 mA per channel maximum at 0 Mbps to 2 Mbps
3.5 mA per channel maximum at 10 Mbps
31 mA per channel maximum at 90 Mbps
3 V operation
0.7 mA per channel maximum at 0 Mbps to 2 Mbps
2.1 mA per channel maximum at 10 Mbps
20 mA per channel maximum at 90 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 125°C
High data rate: dc to 90 Mbps (NRZ)
Precise timing characteristics
2 ns maximum pulse width distortion
2 ns maximum channel-to-channel matching
High common-mode transient immunity: >25 kV/μs
Output enable function
16-lead SOIC wide body package
RoHS-compliant models available
Safety and regulatory approvals
UL recognition: 2500 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
V
IORM
= 560 V peak
TÜV approval: IEC/EN/UL/CSA 61010-1
APPLICATIONS
General-purpose multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
Automotive systems
GENERAL DESCRIPTION
The ADuM1400/ADuM1401/ADuM1402
1
are quad-channel
digital isolators based on Analog Devices, Inc., iCoupler®
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, iCoupler devices
remove the design difficulties commonly associated with opto-
couplers. 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 discrete components
is eliminated with these iCoupler products. Furthermore,
iCoupler devices consume one-tenth to one-sixth of the power
of optocouplers at comparable signal data rates.
The ADuM1400/ADuM1401/ADuM1402 isolators provide four
independent isolation channels in a variety of channel configu-
rations and data rates (see the Ordering Guide). All 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 ADuM1400/
ADuM1401/ADuM1402 provide 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 ADuM1400/ADuM1401/ADuM1402 isolators have a
patented refresh feature that ensures dc correctness in the absence
of input logic transitions and when power is not applied to one
of the supplies.
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
FUNCTIONAL BLOCK DIAGRAMS
ENCODE DECODE
ENCODE DECODE
ENCODE DECODE
ENCODE DECODE
V
DD1
GND
1
V
IA
V
IB
V
IC
V
ID
NC
GND
1
V
DD2
GND
2
V
OA
V
OB
V
OC
V
OD
V
E2
GND
2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
03786-001
Figure 1. ADuM1400
DECODE ENCODE
ENCODE DECODE
ENCODE DECODE
ENCODE DECODE
V
DD1
GND
1
V
IA
V
IB
V
IC
V
OD
V
E1
GND
1
V
DD2
GND
2
V
OA
V
OB
V
OC
V
ID
V
E2
GND
2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
03786-002
Figure 2. ADuM1401
DECODE ENCODE
DECODE ENCODE
ENCODE DECODE
ENCODE DECODE
V
DD1
GND
1
V
IA
V
IB
V
OC
V
OD
V
E1
GND
1
V
DD2
GND
2
V
OA
V
OB
V
IC
V
ID
V
E2
GND
2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
03786-003
Figure 3. ADuM1402
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