adum3400 Analog Devices, Inc., adum3400 Datasheet - Page 16

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

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