ADuM5401W/ADuM5402W/ADuM5403W

Rev. 0 | Page 8 of 20

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

16

15

14

13

12

11

10

ADuM5401W

TOP VIEW

(Not to Scale)

9

Figure 6. ADuM5401W Pin Configuration

Table 12. ADuM5401W Pin Function Descriptions

Pin No. Mnemonic Description

1

Primary Supply Voltage, 4.5 V to 5.5 V. Pin 1 and Pin 7 must be connected to the same external voltage source.

2, 8

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

Logic Input A.

4

Logic Input B.

5

Logic Input C.

6

Logic Output D.

7

to control the regulation of the slave device.

9, 15

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

11

Logic Input D.

12

Logic Output C.

13

Logic Output B.

14

Logic Output A.

16

Secondary Supply Voltage Output, 5.0 V for External Loads.