adum5401 Analog Devices, Inc., adum5401 Datasheet - Page 11

• Manufacturer Part Number: adum5401
• Description: Quad-channel Isolators With Integrated Dc-to-dc Converter
• Manufacturer: Analog Devices, Inc.

Table 12. ADuM5402 Pin Function Descriptions
Pin No. Mnemonic Description
1
2, 8
3
4
5
6
7
9, 15
10
11
12
13
14
16
V
GND
V
V
V
V
NC
GND
V
V
V
V
V
V
DD1
IA
IB
OC
OD
SEL
ID
IC
OB
OA
ISO
1
ISO
Primary Supply Voltage, 3.0 V to 5.5 V.
Ground 1. Ground reference for isolator primary. Pin 2 and Pin 8 are internally connected, and it is recommended that both
pins be connected to a common ground.
Logic Input A.
Logic Input B.
Logic Output C.
Logic Output D.
Make no connection to this pin.
Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected, and it is recommended that both pins be
connected to a common ground.
Output Voltage Selection. When V
V
Logic Input D.
Logic Input C.
Logic Output B.
Logic Output A.
Secondary Supply Voltage Output for External Loads, 3.3 V (V
in the same operating range to guarantee proper operation of the data channels.
DD1
and V
ISO
voltages must be in the same operating range to guarantee proper operation of the data channels.
Figure 8. ADuM5402 Pin Configuration
GND
GND
V
SEL
V
V
DD1
V
V
NC
OC
OD
IA
IB
= V
1
1
1
2
3
4
5
6
7
8
ISO
Rev. 0 | Page 11 of 24
ADuM5402
(Not to Scale)
, the V
TOP VIEW
ADuM5401/ADuM5402/ADuM5403/ADuM5404
ISO
setpoint is 5.0 V. When V
16
15
14
13
12
10
11
9
V
GND
V
V
V
V
V
GND
ISO
OA
OB
IC
ID
SEL
ISO
ISO
SEL
Low) or 5.0 V (V
SEL
= GND
SEL
High). V
ISO
, the V
DD1
ISO
and V
setpoint is 3.3 V.
ISO
voltages must be