ADUM5401_VB AD [Analog Devices], ADUM5401_VB Datasheet - Page 12

• Manufacturer Part Number: ADUM5401_VB
• Description: Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter
• Manufacturer: AD [Analog Devices]

ADuM5401/ADuM5402/ADuM5403/ADuM5404
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 21. ADuM5401 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
RC
GND
V
V
V
V
V
V
DD1
IA
IB
IC
OD
SEL
ID
OC
OB
OA
ISO
OUT
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 Input C.
Logic Output D.
Regulation Control Output. This pin is connected to the RC
control the regulation of the slave device.
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
Logic Input D.
Logic Output C.
Logic Output B.
Logic Output A.
Secondary Supply Voltage Output for External Loads, 3.3 V (V
Figure 7. ADuM5401 Pin Configuration
RC
GND
GND
SEL
V
V
OUT
DD1
V
V
V
OD
IB
IC
= V
IA
1
1
1
2
3
4
5
6
7
8
ISO
Rev. B | Page 12 of 28
ADuM5401
, the V
(Not to Scale)
TOP VIEW
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
OC
ID
SEL
IN
ISO
ISO
of a slave isoPower device to allow the
SEL
Low) or 5.0 V (V
SEL
= GND
SEL
High).
ISO
, the V
ISO
setpoint is 3.3 V.
ADuM5401
Data Sheet
to