adum3440 Analog Devices, Inc., adum3440 Datasheet - Page 15

• Manufacturer Part Number: adum3440
• Description: Quad Channel, High Speed Digital Isolators
• Manufacturer: Analog Devices, Inc.

Table 14. ADuM3442 Pin Function Descriptions
Pin No. Mnemonic Function
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, 3.0 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
outputs are disabled when V
recommended.
Ground 2. Ground reference for isolator Side 2.
Output Enable 2. Active high logic input. V
outputs are disabled when V
recommended.
Logic Input D.
Logic Input C.
Logic Output B.
Logic Output A.
Supply Voltage for Isolator Side 2, 3.0 V to 5.5 V.
*PIN 2 AND PIN 8 ARE INTERNALLY CONNECTED AND CONNECTING BOTH TO
GND
CONNECTING BOTH TO GND
1
IS RECOMMENDED. PIN 9 AND PIN 15 ARE INTERNALLY CONNECTED AND
E1
E2
is low. In noisy environments, connecting V
is low. In noisy environments, connecting V
GND
GND
Figure 7. ADuM3442 Pin Configuration
V
V
V
DD1
V
V
V
OC
OD
E1
1
IA
1
IB
*
*
1
2
3
4
5
6
7
8
2
IS RECOMMENDED.
Rev. 0 | Page 15 of 24
ADuM3442
(Not to Scale)
TOP VIEW
OC
OA
and V
and V
OD
OB
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
*
*
ADuM3440/ADuM3441/ADuM3442
E1
E2
to an external logic high or low is
to an external logic high or low is
E2
E1
is high or disconnected. V
is high or disconnected. V
OA
OC
and V
and V
OB
OD