adum5400 Analog Devices, Inc., adum5400 Datasheet - Page 10

• Manufacturer Part Number: adum5400
• Description: Quad-channel Isolator With Integrated Dc-to-dc Converter
• Manufacturer: Analog Devices, Inc.

ADuM5400
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Table 11. ADuM5400 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
IC
ID
SEL
OD
OC
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 Input C.
Logic Input 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 Output D.
Logic Output 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 4. ADuM5400 Pin Configuration
SEL
= V
Rev. PrA | Page 10 of 21
ISO
, the V
ISO
setpoint is 5.0 V. When V
SEL
Low) or 5.0 V (V
Preliminary Technical Data
SEL
= GND
SEL
High). V
ISO
, the V
DD1
ISO
and V
setpoint is 3.3 V.
ISO
voltages must be