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ADUM5201ARWZ 其他数据使用手册 - ADI（亚德诺）
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ADI（亚德诺）
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接口隔离器
封装:
SOIC-16
描述:
ANALOG DEVICES ADUM5201ARWZ 数字隔离器, 2通道, 100 ns, 4.5 V, 5.5 V, SOIC, 16 引脚
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ADUM5201ARWZ数据手册
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Dual-Channel, 2.5 kV Isolators with
Integrated DC-to-DC Converter
Data Sheet
ADuM5200/ADuM5201/ADuM5202
Rev. A
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.
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 ©2009-2011 Analog Devices, Inc. All rights reserved.
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 3.3 V or 5 V output
Up to 500 mW output power
Dual, dc-to-25 Mbps (NRZ) signal isolation channels
16-lead SOIC package with 7.6 mm creepage
High temperature operation: 105°C maximum
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A)
VDE certificate of conformity (pending)
IEC 60747-5-2 (VDE 0884, Part 2):2003-01
V
IORM
= 560 V
PEAK
APPLICATIONS
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs
GENERAL DESCRIPTION
The ADuM5200/ADuM5201/ADuM5202
1
are dual-channel digital
isolators with isoPower®, an integrated, isolated dc-to-dc converter.
Based on the Analog Devices, Inc., iCoupler® technology, the
dc-to-dc converter provides up to 500 mW of regulated, isolated
power at either 5.0 V or 3.3 V from a 5.0 V input supply, or 3.3 V
from a 3.3 V supply at the power levels shown in Table 1. These
devices eliminate the need for a separate, isolated dc-to-dc
converter in low power isolated designs. The iCoupler chip-scale
transformer technology is used to isolate the logic signals and for
the magnetic components of the dc-to-dc converter. The result is
a small form factor, total isolation solution.
The ADuM5200/ADuM5201/ADuM5202 isolators provide two
independent isolation channels in a variety of channel configurations
and data rates (see the Ordering Guide for more information).
isoPower uses high frequency switching elements to transfer power
through its transformer. Special care must be taken during printed
circuit board (PCB) layout to meet emissions standards. See the the
AN-0971 Application Note for board layout recommendations.
FUNCTIONAL BLOCK DIAGRAMS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OSC
RECT
2-CHANNEL iCOUPLER CORE
V
DD1
REG
GND
1
V
IA
/V
OA
V
IB
/V
OB
RC
IN
RC
SEL
V
E1
/NC
GND
1
V
ISO
GND
ISO
V
IA
/V
OA
V
IB
/V
OB
NC
V
SEL
V
E2
/NC
GND
ISO
ADuM5200/
ADuM5201/
ADuM5202
07540-001
Figure 1.
3
4
14
13
ADuM5200
07540-002
V
IA
V
IB
V
OA
V
OB
Figure 2. ADuM5200
3
4
14
13
ADuM5201
07540-003
V
IA
V
OB
V
OA
V
IB
Figure 3. ADuM5201
3
4
14
13
ADuM5202
07540-004
V
OA
V
OB
V
IA
V
IB
Figure 4. ADuM5202
Table 1. Power Levels
Input Voltage (V) Output Voltage (V) Output Power (mW)
5.0 5.0 500
5.0 3.3 330
3.3 3.3 200
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
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