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ADUM142E

产品描述3.0 kV RMS/3.75 kV RMS Quad Digital Isolators
文件大小729KB,共27页
制造商ADI(亚德诺半导体)
官网地址https://www.analog.com
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ADUM142E概述

3.0 kV RMS/3.75 kV RMS Quad Digital Isolators

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3.0 kV RMS/3.75 kV RMS
Quad Digital Isolators
Data Sheet
FEATURES
High common-mode transient immunity: 100 kV/μs
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 maximum guaranteed data rate
Safety and regulatory approvals
(pending)
UL recognition
3000 V rms/3750 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
= 849 V peak
CQC certification per GB4943.1-2011
Backward compatibility
ADuM140E1/ADuM141E1/ADuM142E1
pin-compatible
with
ADuM1400/ADuM1401/ADuM1402
Low dynamic power consumption
1.8 V to 5 V level translation
High temperature operation: 125°C
Fail-safe high or low options
16-lead, RoHS compliant, SOIC package
ADuM140D/ADuM140E/ADuM141D/ADuM141E/ADuM142D/ADuM142E
FUNCTIONAL BLOCK DIAGRAMS
V
DD1 1
GND
1 2
V
IA
3
ADuM140D/ADuM140E
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
16
15
14
13
12
11
10
9
V
DD2
GND
2
V
OA
V
OB
V
OC
V
OD
NIC/V
E2
GND
2
13119-101
13119-103
13119-102
V
IB 4
V
IC 5
V
ID 6
DISABLE
1
/NIC
7
GND
1 8
NOTES
1. NIC = NO INTERNAL CONNECTION. LEAVE THIS PIN FLOATING.
2. PIN 7 IS DISABLE
1
AND PIN 10 IS NIC FOR THE ADuM140D, AND
PIN 7 IS NIC AND PIN 10 IS V
E2
FOR THE ADuM140E.
Figure 1.
ADuM140D/ADuM140E
Functional Block Diagram
V
DD1 1
GND
1 2
V
IA 3
V
IB 4
V
IC 5
V
OD 6
DISABLE
1
/V
E1 7
GND
1 8
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
ADuM141D/ADuM141E
16
15
14
13
12
11
10
9
V
DD2
GND
2
V
OA
V
OB
V
OC
V
ID
DISABLE
2
/V
E2
GND
2
APPLICATIONS
General-purpose multichannel isolation
Serial peripheral interface (SPI)/data converter isolation
Industrial field bus isolation
NOTES
1. PIN 7 IS DISABLE
1
AND PIN 10 IS DISABLE
2
FOR THE ADuM141D,
AND PIN 7 IS V
E1
AND PIN 10 IS V
E2
FOR THE ADuM141E.
Figure 2.
ADuM141D/ADuM141E
Functional Block Diagram
V
DD1 1
GND
1 2
V
IA 3
V
IB 4
V
OC 5
V
OD 6
DISABLE
1
/V
E1 7
GND
1 8
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
ENCODE
ENCODE
ADuM142D/ADuM142E
16
V
DD2
15
GND
2
14
V
OA
13
V
OB
12
V
IC
11
V
ID
10
DISABLE
2
/V
E2
9
GND
2
GENERAL DESCRIPTION
The
ADuM140D/ADuM140E/ADuM141D/ADuM141E/
ADuM142D/ADuM142E
1
are quad-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
ADuM140D/ADuM140E/ADuM141D/ADuM141E/
ADuM142D/ADuM142E
data channels are independent and
are available in a variety of configurations with a withstand
voltage rating of 3.0 kV rms or 3.75 kV rms (see the Ordering
Guide). The devices operate with the supply voltage on either side
ranging from 1.8 V to 5 V, providing compatibility with lower
voltage systems as well as enabling voltage translation functionality
across the isolation barrier.
Rev. B
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.
NOTES
1. PIN 7 IS DISABLE
1
AND PIN 10 IS DISABLE
2
FOR THE ADuM142D,
AND PIN 7 IS V
E1
AND PIN 10 IS V
E2
FOR THE ADuM142E.
Figure 3.
ADuM142D/ADuM142E
Functional Block Diagram
Unlike other optocoupler alternatives, dc correctness is ensured
in the absence of input logic transitions. Two different fail-safe
options are available, by which the outputs transition to a pre-
determined state when the input power supply is not applied or the
inputs are disabled. The
ADuM140E1/ADuM141E1/ADuM142E1
are pin-compatible with the
ADuM1400/ADuM1401/ADuM1402.
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
Other patents are pending.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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