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ADUM1412ARWZ Datasheet(PDF) 1 Page - Analog Devices

No. de pieza ADUM1412ARWZ
Descripción Electrónicos  Quad-Channel Digital Isolators
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Fabricante Electrónico  AD [Analog Devices]
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ADUM1412ARWZ Datasheet(HTML) 1 Page - Analog Devices

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Quad-Channel Digital Isolators
ADuM1410/ADuM1411/ADuM1412
Rev. G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
www.analog.com
Fax: 781.461.3113
©2004–2007 Analog Devices, Inc. All rights reserved.
FEATURES
Low power operation
5 V operation
1.3 mA per channel maximum @ 0 Mbps to 2 Mbps
4.0 mA per channel maximum @ 10 Mbps
3 V operation
0.8 mA per channel maximum @ 0 Mbps to 2 Mbps
1.8 mA per channel maximum @ 10 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°C
Up to 10 Mbps data rate (NRZ)
Programmable default output state
High common-mode transient immunity: >25 kV/μs
16-lead, RoHS-compliant, SOIC wide body package
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
APPLICATIONS
General-purpose multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
FUNCTIONAL BLOCK DIAGRAMS
ENCODE
DECODE
ENCODE
DECODE
ENCODE
DECODE
ENCODE
DECODE
VDD1
GND1
VIA
VIB
VIC
VID
DISABLE
GND1
VDD2
GND2
VOA
VOB
VOC
VOD
CTRL2
GND2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ADuM1410
Figure 1. ADuM1410
DECODE
ENCODE
ENCODE
DECODE
ENCODE
DECODE
ENCODE
DECODE
VDD1
GND1
VIA
VIB
VIC
VOD
CTRL1
GND1
VDD2
GND2
VOA
VOB
VOC
VID
CTRL2
GND2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ADuM1411
Figure 2. ADuM1411
DECODE
ENCODE
DECODE
ENCODE
ENCODE
DECODE
ENCODE
DECODE
VDD1
GND1
VIA
VIB
VOC
VOD
CTRL1
GND1
VDD2
GND2
VOA
VOB
VIC
VID
CTRL2
GND2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ADuM1412
Figure 3. ADuM1412
GENERAL DESCRIPTION
The ADuM141x1 are four-channel digital isolators based on
Analog Devices, Inc. iCoupler® technology. Combining high
speed CMOS and monolithic air core transformer technologies,
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 usual concerns that arise with optocouplers, such
as 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
the power of optocouplers at comparable signal data rates.
The ADuM141x isolators provide four independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide) up to 10 Mbps. 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 voltage translation functionality across the isolation
barrier. All products also have a default output control pin. This
allows the user to define the logic state the outputs are to adopt
in the absence of the input power. Unlike other optocoupler
alternatives, the ADuM141x isolators have 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. Other patents pending.


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