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ADuM7440ARQZ-RL7 Arkusz danych(PDF) 9 Page - Analog Devices

Numer części ADuM7440ARQZ-RL7
Szczegółowy opis  1 kV RMS Quad-Channel Digital Isolators
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ADuM7440ARQZ-RL7 Arkusz danych(HTML) 9 Page - Analog Devices

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ADuM7440/ADuM7441/ADuM7442
Rev. 0 | Page 9 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
VDD1A 1
GND1* 2
VIA 3
VIB 4
VDD2A
16
GND2*
15
VOA
14
VOB
13
VIC 5
VOC
12
VID 6
VOD
11
VDD1B 7
VDD2B
10
GND1* 8
GND2*
9
ADuM7440
TOP VIEW
(Not to Scale)
*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 5. ADuM7440 Pin Configuration
Table 19. ADuM7440 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
VID
Logic Input 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
VOD
Logic Output 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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