ADUM1280 AD [Analog Devices], ADUM1280 Datasheet - Page 10

• Manufacturer Part Number: ADUM1280
• Description: 3 kV RMS Dual Channel Digital Isolators
• Manufacturer: AD [Analog Devices]

ADuM1280/ADuM1281/ADuM1285/ADuM1286
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 20.
Pin No.
1
2
3
4
5
6
7
8
Table 21.
Pin No.
1
2
3
4
5
6
7
8
For specific layout guidelines, refer to the
Devices.
ADuM1280/ADuM1285
ADuM1281/ADuM1286
Mnemonic
V
V
V
GND
GND
V
V
V
Mnemonic
V
V
V
GND
GND
V
V
V
DD1
IA
IB
OB
OA
DD2
DD1
OA
IB
OB
IA
DD2
1
2
1
2
Pin Function Descriptions
Pin Function Descriptions
AN-1109
Description
2.7 V to 5.5 V Supply Voltage for Isolator Side 1.
Logic Input A.
Logic Input B.
Ground 1. Ground reference for Isolator Side 1.
Ground 2. Ground reference for Isolator Side 2.
Logic Output B.
Logic Output A.
2.7 V to 5.5 V Supply Voltage for Isolator Side 2.
Description
2.7 V to 5.5 V Supply Voltage for Isolator Side 1.
Logic Output A.
Logic Input B.
Ground 1. Ground reference for Isolator Side 1.
Ground 2. Ground reference for Isolator Side 2.
Logic Output B.
Logic Input A.
2.7 V to 5.5 V Supply Voltage for Isolator Side 2.
Figure 4. ADuM1280/ADuM1285 Pin Configuration
Figure 5. ADuM1281/ADuM1286 Pin Configuration
Application Note, Recommendations for Control of Radiated Emissions with iCoupler
GND
GND
V
V
V
DD1
DD1
V
V
V
OA
IA
IB
IB
1
1
1
2
3
4
1
2
3
4
Rev. 0 | Page 10 of 16
ADuM1280/
ADuM1281/
ADuM1285
ADuM1286
(Not to Scale)
(Not to Scale)
TOP VIEW
TOP VIEW
8
7
6
5
8
7
6
5
V
V
V
GND
V
V
V
GND
DD2
OA
OB
DD2
IA
OB
2
2
Data Sheet