adum3400 Analog Devices, Inc., adum3400 Datasheet - Page 15

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

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