Data Sheet

ADuM5401/ADuM5402/ADuM5403/ADuM5404

Rev. C | Page 13 of 28

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

16

15

14

13

12

11

10

9

ADuM5401

TOP VIEW

(Not to Scale)

Figure 7. ADuM5401 Pin Configuration

Table 21. ADuM5401 Pin Function Descriptions

Pin No. Mnemonic Description

1

V

DD1

Primary Supply Voltage, 3.0 V to 5.5 V.

2, 8

GND

1

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.

3

V

IA

Logic Input A.

4

V

IB

Logic Input B.

5

V

IC

Logic Input C.

6

V

OD

Logic Output D.

7

RC

OUT

Regulation Control Output. This pin is connected to the RC

control the regulation of the slave device.

9, 15

GND

ISO

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.

10

V

SEL

Output Voltage Selection. When V

11

V

ID

Logic Input D.

12

V

OC

Logic Output C.

13

V

OB

Logic Output B.

14

V

OA

Logic Output A.

16

V

ISO

Secondary Supply Voltage Output for External Loads, 3.3 V (V