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دیتاشیت - Analog Devices - (ADUM4400 - ADUM4402) 5 KV RMS Quad-Channel Digital Isolators

شماره قطعه ADUM4400
شرح مفصل (ADUM4400 - ADUM4402) 5 KV RMS Quad-Channel Digital Isolators
تولید کننده Analog Devices 
آرم Analog Devices 


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5 kV RMS Quad-Channel Digital Isolators
ADuM4400/ADuM4401/ADuM4402
FEATURES
GENERAL DESCRIPTION
Enhanced system-level ESD performance per IEC 61000-4-x
Safety and regulatory approvals
UL recognition 5000 V rms for 1 minute (double protection)
CSA Component Acceptance Notice #5A (pending)
IEC 60950-1: 600 V rms (reinforced)
IEC 60601-1: 250 V rms (reinforced)
VDE Certificate of Conformity (pending)
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 846 V peak (reinforced)
Low power operation
5 V operation
1.4 mA per channel maximum @ 0 Mbps to 2 Mbps
4.3 mA per channel maximum @ 10 Mbps
34 mA per channel maximum @ 90 Mbps
3 V operation
0.9 mA per channel maximum @ 0 Mbps to 2 Mbps
2.4 mA per channel maximum @ 10 Mbps
20 mA per channel maximum @ 90 Mbps
Bidirectional communication
3 V/5 V level translation
High temperature operation: 105°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)
APPLICATIONS
The ADuM440x1 are 4-channel digital isolators based on the
Analog Devices, Inc., iCoupler® technology. Combining high
speed CMOS and monolithic air core transformer technology,
these isolation components provide outstanding performance
characteristics that are superior to the alternatives, such as
optocoupler devices and other integrated couplers.
The ADuM440x isolators provide four independent isolation
channels in a variety of channel configurations 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.
The ADuM440x isolators have a patented refresh feature that
ensures dc correctness in the absence of input logic transitions
and during power-up/power-down conditions.
This family of isolators, like many Analog Devices isolators,
offers very low power consumption, consuming one-tenth to
one-sixth the power of comparable isolators at comparable data
rates up to 10 Mbps. All models of the ADuM440x provide low
pulse width distortion (<2 ns for C grade). In addition, every
model has an input glitch filter to protect against extraneous noise
disturbances.
The ADuM440x contain circuit and layout enhancements to help
achieve system-level IEC 61000-4-x compliance (ESD/burst/surge).
The precise capability in these tests for the ADuM440x are strongly
determined by the design and layout of the user’s board or module.
For more information, see the AN-793 Application Note,
ESD/Latch-Up Considerations with iCoupler Isolation Products.
General-purpose, high voltage, multichannel isolation
Medical equipment
Motor drives
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents
pending.
Power supplies
FUNCTIONAL BLOCK DIAGRAMS
VDD1 1
GND1 2
VIA 3
VIB 4
VIC 5
VID 6
NC 7
GND1 8
ENCODE
ADuM4400 16 VDD2
15 GND2
DECODE
14 VOA
ENCODE
DECODE
13 VOB
ENCODE
DECODE
12 VOC
ENCODE
DECODE
11 VOD
10 VE2
9 GND2
Figure 1. ADuM4400
VDD1 1
GND1 2
VIA 3
VIB 4
VIC 5
VOD 6
VE1 7
GND1 8
ENCODE
ADuM4401 16 VDD2
15 GND2
DECODE
14 VOA
ENCODE
DECODE
13 VOB
ENCODE
DECODE
12 VOC
DECODE
ENCODE
11 VID
10 VE2
9 GND2
Figure 2. ADuM4401
VDD1 1
GND1 2
VIA 3
VIB 4
VOC 5
VOD 6
VE1 7
GND1 8
ENCODE
ADuM4402 16 VDD2
15 GND2
DECODE
14 VOA
ENCODE
DECODE
13 VOB
DECODE
ENCODE
12 VIC
DECODE
ENCODE
Figure 3. ADuM4402
11 VID
10 VE2
9 GND2
Rev. 0
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
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.

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