adum3400 Analog Devices, Inc., adum3400 Datasheet - Page 17

• Manufacturer Part Number: adum3400
• Description: Quad-channel, Digital Isolators, Enhanced System-level Esd Reliability
• Manufacturer: Analog Devices, Inc.

*Pin 2 and Pin 8 are internally connected and connecting both to GND
connecting both to GND
Pin 10 for all models) to an external logic high or low is recommended.
Table 13. ADuM3402 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
V
GND
V
V
V
V
V
V
DD1
IA
IB
OC
OD
E1
E2
ID
IC
OB
OA
DD2
1
2
Supply Voltage for Isolator Side 1, 2.7 V to 5.5 V.
Ground 1. Ground reference for Isolator Side 1.
Logic Input A.
Logic Input B.
Logic Output C.
Logic Output D.
Output Enable 1. Active high logic input. V
V
low is recommended.
Ground 2. Ground reference for isolator Side 2.
Output Enable 2. Active high logic input. V
V
low is recommended.
Logic Input D.
Logic Input C.
Logic Output B.
Logic Output A.
Supply Voltage for Isolator Side 2, 2.7 V to 5.5 V.
OC
OA
2
and V
and V
is recommended. In noisy environments, connecting output enables (Pin 7 for ADuM3401/ADuM3402 and
OD
OB
outputs are disabled when V
outputs are disabled when V
Figure 7. ADuM3402 Pin Configuration
*GND
*GND
V
V
V
V
DD1
V
V
OC
OD
E1
IA
IB
1
1
1
2
3
4
5
6
7
8
Rev. 0 | Page 17 of 24
NC = NO CONNECT
E2
E1
ADuM3402
(Not to Scale)
OC
OA
is low. In noisy environments, connecting V
TOP VIEW
is low. In noisy environments, connecting V
and V
and V
1
OD
OB
is recommended. Pin 9 and Pin 15 are internally connected and
outputs are enabled when V
outputs are enabled when V
16
15
14
13
12
11
10
9
V
GND
V
V
V
V
V
GND
DD2
OA
OB
IC
ID
E2
2
2
*
*
ADuM3400/ADuM3401/ADuM3402
E2
E1
is high or disconnected.
is high or disconnected.
E2
E1
to an external logic high or
to an external logic high or