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ADuM7641 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - (ADuM7640 - ADuM7643) 1 kV RMS Six-Channel Digital Isolators

شماره قطعه ADuM7641
شرح مفصل (ADuM7640 - ADuM7643) 1 kV RMS Six-Channel Digital Isolators
تولید کننده Analog Devices 
آرم Analog Devices 


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ADuM7641 شرح
Data Sheet
1 kV RMS Six-Channel Digital Isolators
ADuM7640/ADuM7641/ADuM7642/ADuM7643
FEATURES
Small 20-lead QSOP
1000 V rms isolation rating
Safety and regulatory approvals (pending):
UL recognition (pending)
1000 V rms for 1 minute per UL 1577
Low power operation
3.3 V operation
1.6 mA per channel maximum at 0 Mbps to 1 Mbps
7.8 mA per channel maximum at 25 Mbps
5 V operation
2.2 mA per channel maximum at 0 Mbps to 1 Mbps
11.2 mA per channel maximum at 25 Mbps
Bidirectional communication
Up to 25 Mbps data rate (NRZ)
3 V/5 V level translation
High temperature operation: 105°C
High common-mode transient immunity: >15 kV/μs
APPLICATIONS
General-purpose, multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
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FUNCTIONAL BLOCK DIAGRAMS
VDD1A 1 ADuM7640
GND1 2
VIA 3
ENCODE
DECODE
VIB 4
ENCODE
DECODE
VIC 5
ENCODE
DECODE
VID 6
ENCODE
DECODE
VDD1B 7
VIE 8
ENCODE
DECODE
VIF 9
ENCODE
DECODE
GND1 10
Figure 1. ADuM7640
20 VDD2A
19 GND2
18 VOA
17 VOB
16 VOC
15 VOD
14 VDD2B
13 VOE
12 VOF
11 GND2
VDD1A 1 ADuM7641
GND1 2
VIA 3
ENCODE
VIB 4
ENCODE
VIC 5
ENCODE
VID 6
ENCODE
VDD1B 7
VOE 8
DECODE
VIF 9
ENCODE
GND1 10
DECODE
DECODE
DECODE
DECODE
ENCODE
DECODE
Figure 2. ADuM7641
20 VDD2A
19 GND2
18 VOA
17 VOB
16 VOC
15 VOD
14 VDD2B
13 VIE
12 VOF
11 GND2
GENERAL DESCRIPTION
The ADuM7640/ADuM7641/ADuM7642/ADuM76431 are
6-channel digital isolators based on the Analog Devices, Inc.,
iCoupler® technology. These 1 kV digital isolation devices are
packaged in a small 20-lead QSOP. They offer space savings and
a lower price than 2.5 kV or 5 kV isolation solutions when only
functional isolation is needed.
This family, like many Analog Devices isolators, offers very low
power consumption, using one-tenth to one-sixth the power of
other digital isolators, with the supply voltage on either side
ranging from 3.0 V to 5.5 V. Despite their low power consumption,
the ADuM7640/ADuM7641/ADuM7642/ADuM7643 provide
low pulse width distortion (< 6 ns for C grade) and a channel-
by-channel glitch filter to protect the device against extraneous
noise disturbances. Four channel direction combinations are
available with a maximum data rate of 1 Mbps or 25 Mbps. All
products have a default output high logic state in the absence of
input power.
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents pending.
VDD1A 1 ADuM7642
GND1 2
VIA 3
ENCODE
DECODE
VIB 4
ENCODE
DECODE
VIC 5
ENCODE
DECODE
VOD 6
DECODE
ENCODE
VDD1B 7
VOE 8
DECODE
ENCODE
VIF 9
ENCODE
DECODE
GND1 10
Figure 3. ADuM7642
20 VDD2A
19 GND2
18 VOA
17 VOB
16 VOC
15 VID
14 VDD2B
13 VIE
12 VOF
11 GND2
VDD1A 1 ADuM7643
GND1 2
VIA 3
ENCODE
DECODE
VIB 4
ENCODE
DECODE
VOC 5
DECODE
ENCODE
VOD 6
DECODE
ENCODE
VDD1B 7
VOE 8
DECODE
ENCODE
VIF 9
ENCODE
DECODE
GND1 10
Figure 4. ADuM7643
20 VDD2A
19 GND2
18 VOA
17 VOB
16 VIC
15 VID
14 VDD2B
13 VIE
12 VOF
11 GND2
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2012 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
Datasheet pdf - http://www.DataSheet4U.co.kr/

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