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ADuM5212CRSZ-RL7 データシート(PDF) 1 Page - Analog Devices

部品番号 ADuM5212CRSZ-RL7
部品情報  Dual-Channel Isolators with Integrated DC-to-DC Converters
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ホームページ  http://www.analog.com
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Dual-Channel Isolators with
Integrated DC-to-DC Converters
Data Sheet
ADuM5210/ADuM5211/ADuM5212
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
iso
Power integrated, isolated dc-to-dc converter
Regulated 3.15 V to 5.25 V output
Up to 150 mW output power
Dual dc-to-100 Mbps (NRZ) signal isolation channels
Soft start power supply
20-lead SSOP package with 5.3 mm creepage
Supports SPI up to 15 MHz
High temperature operation: 105°C
High common-mode transient immunity: >25 kV/µs
Safety and regulatory approvals
UL recognition (pending)
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A (pending)
VDE certificate of conformity (pending)
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 560 V peak
APPLICATIONS
RS-232 transceivers
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs
FUNCTIONAL BLOCK DIAGRAM
GNDP
VIB/VOB
VIA/VOA
VDD1
GNDP
GNDP
NC
PDIS
VDDP
GNDP
VDD2
GNDISO
GNDISO
GNDISO
GNDISO
VOA/VIA
VOB/VIB
NC
VSEL
VISO
1.25V
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
19
20
18
17
11
OSC
RECT
REG
PCS
2-CHANNEL iCoupler CORE
ADuM5210/ADuM5211/
ADuM5212
Figure 1. ADuM5210/ADuM5211/ADuM5212
GENERAL DESCRIPTION
The ADuM5210/ADuM5211/ADuM52121 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 regulated, isolated power that is adjustable
between 3.15 V and 5.25 V. Input supply voltages can range from
slightly below the required output to significantly higher. Popular
voltage combinations and their associated power levels are shown
in Table 1.
The ADuM5210/ADuM5211/ADuM5212 eliminate the need for
a separate, isolated dc-to-dc converter in low power, isolated
designs. The iCoupler chip-scale transformer technology is used for
isolated logic signals and for the magnetic components of the dc-
to-dc converter. The result is a small form factor, total isolation
solution.
iso
Power uses high frequency switching elements to transfer
power through its transformer. Take special care during printed
circuit board (PCB) layout to meet emissions standards. See the
AN-0971 Application Note for board layout recommendations.
Table 1. Power Levels
Input Voltage (V)
Output Voltage (V)
Output Power (mW)
5
5
150
5
3.3
100
3.3
3.3
66
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.


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