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ADuM120N Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - Dual-Channel Digital Isolators

شماره قطعه ADuM120N
شرح مفصل Dual-Channel Digital Isolators
تولید کننده Analog Devices 
آرم Analog Devices 


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ADuM120N شرح
Data Sheet
3.0 kV rms,
Dual-Channel Digital Isolators
ADuM120N/ADuM121N
FEATURES
High common-mode transient immunity: 100 kV/µs typical
High robustness to radiated and conducted noise
Low propagation delay
13 ns maximum for 5 V operation
15 ns maximum for 1.8 V operation
150 Mbps minimum data rate
Safety and regulatory approvals (pending)
UL recognition: 3000 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 = 565 V peak
CQC certification per GB4943.1-2011
Backward compatibility
ADuM120N0 pin-compatible with ADuM1285
ADuM120N1 pin-compatible with ADuM1280 and
ADuM1200
ADuM121N0 pin-compatible with ADuM1286
ADuM121N1 pin-compatible with ADuM1281 and
ADuM1201
Low dynamic power consumption
1.8 V to 5 V level translation
High temperature operation: 125°C
Failsafe high or low options
8-lead, RoHS-compliant, SOIC package
Qualified for automotive applications
APPLICATIONS
General-purpose multichannel isolation
Industrial field bus isolation
GENERAL DESCRIPTION
The ADuM120N/ADuM121N1 are dual-channel digital isolators
based on Analog Devices, Inc., iCoupler® technology. Combining
high speed, complementary metal-oxide semiconductor (CMOS)
and monolithic air core transformer technology, these isolation
components provide outstanding performance characteristics
superior to alternatives such as optocoupler devices and other
integrated couplers. The maximum propagation delay is 13 ns
with a pulse width distortion of less than 3 ns at 5 V operation.
Channel matching is tight at 3.0 ns maximum.
The ADuM120N/ADuM121N data channels are independent and
are available in a variety of configurations with a withstand voltage
rating of 3 kV rms (see the Ordering Guide). The devices operate
with the supply voltage on either side ranging from 1.8 V to 5 V,
FUNCTIONAL BLOCK DIAGRAMS
ADuM120N
VDD1 1
8 VDD2
VIA 2
ENCODE
DECODE
7 VOA
VIB 3
ENCODE
DECODE
6 VOB
GND1 4
5 GND2
Figure 1. ADuM120N Functional Block Diagram
ADuM121N
VDD1 1
8 VDD2
VOA 2
DECODE
ENCODE
7 VIA
VIB 3
ENCODE
DECODE
6 VOB
GND1 4
5 GND2
Figure 2. ADuM121N Functional Block Diagram
providing compatibility with lower voltage systems as well as
enabling voltage translation functionality across the isolation
barrier.
Unlike other optocoupler alternatives, dc correctness is ensured in
the absence of input logic transitions. Two different fail-safe options
are available in which the outputs transition to a predetermined
state when the input power supply is not applied or the inputs
are disabled.
The ADuM120N0 is pin-compatible with the ADuM1285, and
the ADuM120N1 is pin-compatible with the ADuM1280 and
the ADuM1200. The ADuM121N0 is pin-compatible with
ADuM1286, and the ADuM121N1 is pin-compatible with the
ADuM1281 and the ADuM1201.
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.
Rev. B
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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