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Quad-Channel, 5 kV Isolators with
Integrated DC-to-DC Converter
Data Sheet
FEATURES
ADuM6400/ADuM6401/ADuM6402/ADuM6403/ADuM6404
FUNCTIONAL BLOCK DIAGRAMS
iso Power integrated, isolated dc-to-dc converter
GND ISO
Regulated 5 V or 3.3 V output
Up to 400 mW output power
16-lead SOIC wide body package (RW-16)
16-lead SOIC wide body package with enhanced
creepage (RI-16-1)
Quad dc-to-25 Mbps (NRZ) signal isolation channels
Schmitt triggered inputs
High temperature operation: 105°C maximum
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals (RI-16-1 package)
V DD1 1
GND 1 2
V IA /V OA 3
V IB /V OB 4
V IC /V OC 5
V ID /V OD 6
V DDL 7
GND 1 8
OSC RECT REG
4-CHANNEL i COUPLER CORE
ADuM6400/ADuM6401/
ADuM6402/ADuM6403/
ADuM6404
Figure 1.
16 V ISO
15 GND ISO
14 V IA /V OA
13 V IB /V OB
12 V IC /V OC
11 V ID /V OD
10 V SEL
9
UL recognition
5000 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A (pending)
IEC 60601-1: 250 V rms
V IA
V IB
V IC
V ID
3
4
5
6
ADuM6400
14
13
12
11
V OA
V OB
V OC
V OD
IEC 60950-1: 400 V rms
VDE certificate of conformity
Figure 2. ADuM6400
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V IORM = 846 V peak
V IA
V IB
3
4
14
13
V OA
V OB
APPLICATIONS
V IC
V OD
5
6
ADuM6401
12
11
V OC
V ID
RS-232/RS-422/RS-485 transceivers
Medical isolation
Figure 3. ADuM6401
AC/DC power supply start-up bias and gate drives
Isolated sensor interfaces
V IA
V IB
3
4
14
13
V OA
V OB
GENERAL DESCRIPTION
The ADuM6400 / ADuM6401 / ADuM6402 / ADuM6403 /
V OC
V OD
5
6
ADuM6402
12
11
V IC
V ID
ADuM6404 1 are quad-channel digital isolators with iso Power?,
Figure 4. ADuM6402
an integrated, isolated dc-to-dc converter. Based on the Analog
Devices, Inc., i Coupler? technology, the dc-to-dc converter provides
V IA
V OB
3
4
14
13
V OA
V IB
up to 400 mW of regulated, isolated power at either 5.0 V or 3.3 V
from a 5.0 V input supply, or at 3.3 V from a 3.3 V supply at the
V OC
V OD
5
6
ADuM6403
12
11
V IC
V ID
power levels shown in Table 1. These devices eliminate the need
for a separate, isolated dc-to-dc converter in low power, isolated
Figure 5. ADuM6403
designs.
V OA
3
14
V IA
The ADuM6400 / ADuM6401 / ADuM6402 / ADuM6403 /
ADuM6404 isolators provide four independent isolation
channels in a variety of channel configurations and data rates
V OB
V OC
V OD
4
5
6
ADuM6404
13
12
11
V IB
V IC
V ID
(see the Ordering Guide for more information).
iso Power uses high frequency switching elements to transfer power
Table 1. Power Levels
Figure 6. ADuM6404
through its transformer. Special care must be taken during printed
circuit board (PCB) layout to meet emissions standards. See the
AN-0971 Application Note for board layout recommendations.
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329.
Input Voltage
5.0 V
5.0 V
3.3 V
Output Voltage
5.0 V
3.3 V
3.3 V
Output Power
400 mW
330 mW
132 mW
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 ?2009–2012 Analog Devices, Inc. All rights reserved.
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