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دیتاشیت - Analog Devices - (ADUM6400 - ADUM6404) Quad-Channel Isolators

شماره قطعه ADUM6401
شرح مفصل (ADUM6400 - ADUM6404) Quad-Channel Isolators
تولید کننده Analog Devices 
آرم Analog Devices 


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ADUM6401 شرح
Quad-Channel Isolators with
Integrated DC-to-DC Converter
ADuM6400/ADuM6401/ADuM6402/ADuM6403/ADuM6404
FEATURES
FUNCTIONAL BLOCK DIAGRAMS
isoPower integrated, isolated dc-to-dc converter
Regulated 3.3 V or 5 V output
Up to 500 mW output power
Quad dc-to-25 Mbps (NRZ) signal isolation channels
Schmitt trigger inputs
16-lead SOIC package with 7.6 mm creepage
High temperature operation: 105°C
High common-mode transient immunity: >25 kV/μs
VDD1 1
GND1 2
VIA/VOA 3
VIB/VOB 4
VIC/VOC 5
VID/VOD 6
OSC
RECT REG
4-CHANNEL iCOUPLER CORE
ADuM6400/ADuM6401/
ADuM6402/ADuM6403/
ADuM6404
16 VISO
15 GNDISO
14 VIA/VOA
13 VIB/VOB
12 VIC/VOC
11 VID/VOD
Safety and regulatory approvals (pending)
VDDL 7
10 VSEL
UL recognition
GND1 8
9 GNDISO
5000 V rms for 1 minute per UL1577
CSA Component Acceptance Notice #5A
IEC 60950-1: 600 V rms (reinforced)
IEC 60601-1: 250 V rms (reinforced)
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
Figure 1. ADuM640x Block Diagram
VIA
3
VOA
14
VIB VOB
4 13
VIC ADuM6400 VOC
5 12
VID
6
VOD
11
VIORM = 560 V peak
Figure 2. ADuM6400
APPLICATIONS
RS-232/RS-422/RS-485 transceivers
Medical isolation
AC/dc power supply startup bias and gate drives
VIA
VIB
VIC
VOD
3 14
4 13
ADuM6401
5 12
6 11
VOA
VOB
VOC
VID
Isolated sensor interface
Figure 3. ADuM6401
GENERAL DESCRIPTION
The ADuM640x1 devices are quad-channel digital isolators with
isoPower®, an integrated, isolated dc-to-dc converter. Based on
the Analog Devices, Inc., iCoupler® technology, the dc-to-dc
VIA
VIB
VOC
VOD
3 14
4 13
ADuM6402
5 12
6 11
VOA
VOB
VIC
VID
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. This eliminates
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
Figure 4. ADuM6402
VIA
VOB
VOC
VOD
3 14
4 13
ADuM6403
5 12
6 11
VOA
VIB
VIC
VID
of the dc-to-dc converter. The result is a small form factor, total
isolation solution.
The ADuM640x isolators provide four independent isolation
channels in a variety of channel configurations and data rates
(see the Ordering Guide for more information).
Figure 5. ADuM6403
VOA
VOB
VOC
VOD
3 14
4 13
ADuM6404
5 12
6 11
VIA
VIB
VIC
VID
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. Refer to the AN-0971 application note for board
layout recommendations at www.analog.com.
Figure 6. ADuM6404
Table 1. Power Levels
Input Voltage (V) Output Voltage (V)
55
5 3.3
3.3 3.3
Output Power (mW)
500
330
200
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.
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.
Free Datasheet http://www.datasheet4u.com/

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