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ADUM7643 PDF预览

ADUM7643

更新时间: 2023-12-20 18:44:43
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 385K
描述
1 kV RMS 四通道数字隔离器(3/3通道方向性)

ADUM7643 数据手册

 浏览型号ADUM7643的Datasheet PDF文件第11页浏览型号ADUM7643的Datasheet PDF文件第12页浏览型号ADUM7643的Datasheet PDF文件第13页浏览型号ADUM7643的Datasheet PDF文件第15页浏览型号ADUM7643的Datasheet PDF文件第16页浏览型号ADUM7643的Datasheet PDF文件第17页 
ADuM7640/ADuM7641/ADuM7642/ADuM7643  
Data Sheet  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
V
DD1A  
DD2A  
GND *  
GND *  
1
2
3
V
V
V
V
V
V
V
V
IA  
IB  
OA  
OB  
IC  
4
V
ADuM7643  
TOP VIEW  
5
V
V
OC  
OD  
(Not to Scale)  
6
ID  
7
V
DD1B  
DD2B  
IE  
8
V
OE  
9
V
IF  
OF  
10  
GND *  
GND *  
2
1
*PIN 2 AND PIN 10 ARE INTERNALLY CONNECTED.  
CONNECTING BOTH PINS TO PCB SIDE 1 GROUND  
IS RECOMMENDED. PIN 11 AND PIN 19 ARE  
INTERNALLY CONNECTED. CONNECTING BOTH  
PINS TO PCB SIDE 2 GROUND IS RECOMMENDED.  
Figure 9. ADuM7643 Pin Configuration  
Table 23. ADuM7643 Pin Function Descriptions  
Pin No. Mnemonic Description  
1
VDD1A  
Supply Voltage A for Isolator Side 1 (3.0 V to 5.5 V). Pin 1 must be connected externally to Pin 7. Connect a 0.01 µF to  
0.1 µF between VDD1A (Pin 1) and GND1 (Pin 2).  
2
GND1  
Ground Reference for Isolator Side 1. Pin 2 and Pin 10 are internally connected, and connecting both pins to the PCB  
ground plane is recommended.  
3
4
5
6
7
VIA  
VIB  
VOC  
VOD  
VDD1B  
Logic Input A.  
Logic Input B.  
Logic Output C.  
Logic Output D.  
Supply Voltage B for Isolator Side 1 (3.0 V to 5.5 V). Pin 7 must be connected externally to Pin 1. Connect a 0.01 µF to  
0.1 µF between VDD1B (Pin 7) and GND1 (Pin 10).  
8
9
VOE  
VIF  
Logic Output E.  
Logic Input F.  
10  
GND1  
Ground Reference for Isolator Side 1. Pin 2 and Pin 10 are internally connected, and connecting both pins to the PCB  
ground plane is recommended.  
11  
GND2  
Ground Reference for Isolator Side 2. Pin 11 and Pin 19 are internally connected, and connecting both pins to the PCB  
ground plane is recommended.  
12  
13  
14  
VOF  
VIE  
VDD2B  
Logic Output F.  
Logic Input E.  
Supply Voltage B for Isolator Side 2 (3.0 V to 5.5 V). Pin 14 must be connected externally to Pin 20. Connect a 0.01 µF  
to 0.1 µF between VDD2B (Pin 14) and GND2 (Pin 11).  
15  
16  
17  
18  
19  
VID  
VIC  
VOB  
VOA  
GND2  
Logic Input D.  
Logic Input C.  
Logic Output B.  
Logic Output A.  
Ground Reference for Isolator Side 2. Pin 11 and Pin 19 are internally connected, and connecting both pins to the PCB  
ground plane is recommended.  
20  
VDD2A  
Supply Voltage A for Isolator Side 2 (3.0 V to 5.5 V). Pin 20 must be connected externally to Pin 14. Connect a 0.01 µF  
to 0.1 µF between VDD2A (Pin 20) and GND2 (Pin 19).  
Reference the AN-1109 Application Note for specific layout guidelines.  
Rev. 0 | Page 14 of 20  
 

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