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دیتاشیت - Analog Devices - Quad-Channel Digital Isolators

شماره قطعه ADUM1400
شرح مفصل Quad-Channel Digital Isolators
تولید کننده Analog Devices 
آرم Analog Devices 


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ADUM1400 شرح
Data Sheet
Quad-Channel Digital Isolators
ADuM1400/ADuM1401/ADuM1402
FEATURES
GENERAL DESCRIPTION
Qualified for automotive applications
The ADuM1400/ADuM1401/ADuM14021 are quad-channel
Low power operation
digital isolators based on Analog Devices, Inc., iCoupler®
5 V operation
technology. Combining high speed CMOS and monolithic air
1.0 mA per channel maximum at 0 Mbps to 2 Mbps
core transformer technology, these isolation components provide
3.5 mA per channel maximum at 10 Mbps
outstanding performance characteristics superior to alternatives,
31 mA per channel maximum at 90 Mbps
such as optocoupler devices.
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
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.
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
VIORM = 560 V peak
TÜV approval: IEC/EN/UL/CSA 61010-1
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
APPLICATIONS
General-purpose multichannel isolation
SPI interface/data converter isolation
refresh feature that ensures dc correctness in the absence of input
logic transitions and when power is not applied to one of the
supplies.
RS-232/RS-422/RS-485 transceivers
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
Industrial field bus isolation
Automotive systems
FUNCTIONAL BLOCK DIAGRAMS
VDD1 1
GND1 2
VIA 3
VIB 4
VIC 5
VID 6
NC 7
GND1 8
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
Figure 1. ADuM1400
16 VDD2
15 GND2
14 VOA
13 VOB
12 VOC
11 VOD
10 VE2
9 GND2
VDD1 1
GND1 2
VIA 3
VIB 4
VIC 5
VOD 6
VE1 7
GND1 8
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
Figure 2. ADuM1401
16 VDD2
15 GND2
14 VOA
13 VOB
12 VOC
11 VID
10 VE2
9 GND2
VDD1 1
GND1 2
VIA 3
VIB 4
VOC 5
VOD 6
VE1 7
GND1 8
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
ENCODE
Figure 3. ADuM1402
16 VDD2
15 GND2
14 VOA
13 VOB
12 VIC
11 VID
10 VE2
9 GND2
Rev. K
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 ©2003–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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