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ADuM3221BRZ データシート(PDF) 8 Page - Analog Devices

部品番号 ADuM3221BRZ
部品情報  Isolated, 4 A Dual-Channel Gate Driver
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

ADuM3221BRZ データシート(HTML) 8 Page - Analog Devices

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ADuM3220/ADuM3221
Data Sheet
Rev. C | Page 8 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VDD1 1
VIA 2
VIB 3
GND1 4
VDD2
8
VOA
7
VOB
6
GND2
5
ADuM3220/
ADuM3221
TOP VIEW
(Not to Scale)
Figure 4. Pin Configuration
Table 10. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
V
DD1
Supply Voltage for Isolator Side 1, 3.0 V to 5.5 V.
2
V
IA
Logic Input A.
3
V
IB
Logic Input B.
4
GND
1
Ground 1. Ground reference for Isolator Side 1.
5
GND
2
Ground 2. Ground reference for Isolator Side 2.
6
V
OB
Logic Output B.
7
V
OA
Logic Output A.
8
V
DD2
Supply Voltage for Isolator Side 2, 4.5 V to 18 V.
Table 11. Truth Table, ADuM3220 (Positive Logic)1
V
IA Input
V
IB Input
V
DD1 State
V
DD2 State
V
OA Output
V
OB Output
Notes
L
L
Powered
Powered
L
L
L
H
Powered
Powered
L
H
H
L
Powered
Powered
H
L
H
H
Powered
Powered
L
L
X
X
Unpowered
Powered
L
L
Outputs return to the input state within 1 µs of
V
DD1 power restoration.
X
X
Powered
Unpowered
L
L
Outputs return to the input state within 1 µs of
V
DD2 power restoration.
1 X = don’t care, L = low, H = high.
Table 12. Truth Table, ADuM3221 (Positive Logic)1
VIA Input
VIB Input
VDD1 State
VDD2 State
VOA Output
VOB Output
Notes
L
L
Powered
Powered
L
L
L
H
Powered
Powered
L
H
H
L
Powered
Powered
H
L
H
H
Powered
Powered
H
H
X
X
Unpowered
Powered
L
L
Outputs return to the input state within 1 µs of
V
DD1 power restoration.
X
X
Powered
Unpowered
L
L
Outputs return to the input state within 1 µs of
V
DD2 power restoration.
1 X = don’t care, L = low, H = high.


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