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ADUM7440 Arkusz danych(PDF) 10 Page - Analog Devices

Numer części ADUM7440
Szczegółowy opis  1 kV RMS Quad-Channel Digital Isolators
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ADuM7440/ADuM7441/ADuM7442
Rev. 0 | Page 10 of 20
VDD1A 1
GND1* 2
VIA 3
VIB 4
VDD2A
16
GND2*
15
VOA
14
VOB
13
VIC 5
VOC
12
VOD 6
VID
11
VDD1B 7
VDD2B
10
GND2*
9
ADuM7441
TOP VIEW
(Not to Scale)
GND1* 8
*PIN 2 AND PIN 8 ARE INTERNALLY CONNECTED. CONNECTING BOTH
TO GND1 IS RECOMMENDED. PIN 9 AND PIN 15 ARE INTERNALLY
CONNECTED. CONNECTING BOTH TO GND2 IS RECOMMENDED.
Figure 6. ADuM7441 Pin Configuration
Table 20. ADuM7441 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 ceramic
bypass capacitor of value 0.01 μF to 0.1 μF between VDD1A (Pin 1) and GND1 (Pin 2).
2
GND1
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is
recommended.
3
VIA
Logic Input A.
4
VIB
Logic Input B.
5
VIC
Logic Input C.
6
VOD
Logic Output D.
7
VDD1B
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 ceramic
bypass capacitor of value 0.01 μF to 0.1 μF between VDD1B (Pin 7) and GND1 (Pin 8).
8
GND1
Ground 1. Ground reference for Isolator Side 1. Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is
recommended.
9
GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND2 is
recommended.
10
VDD2B
Supply Voltage B for Isolator Side 2 (3.0 V to 5.5 V). Pin 10 must be connected externally to Pin 16. Connect a ceramic
bypass capacitor of value 0.01 μF to 0.1 μF between VDD2B (Pin 10) and GND2 (Pin 9).
11
VID
Logic Input D.
12
VOC
Logic Output C.
13
VOB
Logic Output B.
14
VOA
Logic Output A.
15
GND2
Ground 2. Ground reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and connecting both to GND2 is
recommended.
16
VDD2A
Supply Voltage A for Isolator Side 2 (3.0 V to 5.5 V). Pin 16 must be connected externally to Pin 10. Connect a
ceramic bypass capacitor of value 0.01 μF to 0.1 μF between VDD2A (Pin 16) and GND2 (Pin 15).


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