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ADuM7642CRQZ

更新时间： 2024-11-24 12:30:51
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亚德诺 - ADI 驱动程序和接口接口集成电路PC
页数 文件大小 规格书
20页 392K
描述
1 kV RMS Six-Channel Digital Isolators

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ADuM7642CRQZ 数据手册

 浏览型号ADuM7642CRQZ的Datasheet PDF文件第2页浏览型号ADuM7642CRQZ的Datasheet PDF文件第3页浏览型号ADuM7642CRQZ的Datasheet PDF文件第4页浏览型号ADuM7642CRQZ的Datasheet PDF文件第5页浏览型号ADuM7642CRQZ的Datasheet PDF文件第6页浏览型号ADuM7642CRQZ的Datasheet PDF文件第7页 
1 kV RMS Six-Channel Digital Isolators  
Data Sheet  
ADuM7640/ADuM7641/ADuM7642/ADuM7643  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
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  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
V
DD2A  
DD1A  
ADuM7640  
2
GND  
V
GND  
1
2
ENCODE  
ENCODE  
ENCODE  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
3
V
IA  
IB  
IC  
ID  
OA  
4
V
V
V
V
OB  
5
V
OC  
6
V
OD  
7
V
V
V
V
DD1B  
DD2B  
OE  
3.3 V operation  
ENCODE  
ENCODE  
DECODE  
DECODE  
8
V
IE  
1.6 mA per channel maximum at 0 Mbps to 1 Mbps  
7.8 mA per channel maximum at 25 Mbps  
5 V operation  
9
V
IF  
OF  
10  
GND  
GND  
1
2
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  
Figure 1. ADuM7640  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
V
DD2A  
DD1A  
ADuM7641  
GND  
GND  
2
1
IA  
IB  
IC  
ID  
ENCODE  
DECODE  
DECODE  
DECODE  
DECODE  
3
V
V
V
V
V
V
V
V
V
V
V
OA  
OB  
OC  
OD  
ENCODE  
ENCODE  
ENCODE  
4
High temperature operation: 105°C  
High common-mode transient immunity: >15 kV/μs  
5
6
7
V
DD1B  
DD2B  
IE  
APPLICATIONS  
DECODE  
ENCODE  
ENCODE  
DECODE  
8
V
OE  
General-purpose, multichannel isolation  
SPI interface/data converter isolation  
RS-232/RS-422/RS-485 transceivers  
Industrial field bus isolation  
9
V
IF  
OF  
10  
GND  
GND  
1
2
Figure 2. ADuM7641  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
V
DD2A  
DD1A  
GENERAL DESCRIPTION  
ADuM7642  
GND  
GND  
2
1
IA  
IB  
IC  
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.  
ENCODE  
DECODE  
DECODE  
DECODE  
ENCODE  
3
V
V
V
V
V
V
V
V
V
V
OA  
OB  
OC  
ID  
ENCODE  
ENCODE  
DECODE  
4
5
6
V
OD  
7
V
DD1B  
DD2B  
IE  
DECODE  
ENCODE  
ENCODE  
DECODE  
8
V
OE  
9
V
IF  
OF  
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.  
10  
GND  
GND  
1
2
Figure 3. ADuM7642  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
V
DD2A  
DD1A  
ADuM7643  
GND  
GND  
2
1
IA  
IB  
ENCODE  
DECODE  
DECODE  
ENCODE  
ENCODE  
3
V
V
V
V
V
V
V
V
V
OA  
OB  
IC  
ENCODE  
DECODE  
DECODE  
4
5
V
OC  
OD  
6
V
ID  
7
V
DD1B  
DD2B  
IE  
DECODE  
ENCODE  
ENCODE  
DECODE  
8
V
OE  
9
V
IF  
OF  
10  
GND  
GND  
2
1
Figure 4. ADuM7643  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents pending.  
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.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
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  
 
 
 
 
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ADuM7642CRQZ 替代型号

型号 品牌 替代类型 描述 数据表
ADuM7642CRQZ-RL7 ADI

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