ADUM4400 datasheet(11/20 Pages) AD

Part #	ADUM4400

Description	5 kV RMS Quad-Channel Digital Isolators

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ADuM4400/ADuM4401/ADuM4402

Rev. 0 | Page 11 of 20

VDD1 1

GND1 2

VIA 3

VIB 4

VDD2

16

GND2

15

VOA

14

VOB

13

VIC 5

VOC

12

VOD 6

VID

11

VE1 7

VE2

10

GND1 8

GND2

9

ADuM4401

TOP VIEW

(Not to Scale)

NOTES

1. PIN 2 AND PIN 8 ARE INTERNALLY CONNECTED,

AND CONNECTING BOTH TO GND1 IS RECOMMENDED.

2. PIN 9 AND PIN 15 ARE INTERNALLY CONNECTED,

AND CONNECTING BOTH TO GND2 IS RECOMMENDED.

Figure 6. ADuM4401 Pin Configuration

Table 22. ADuM4401 Pin Function Descriptions

Pin No.

Mnemonic Description

1

VDD1

Supply Voltage for Isolator Side 1, 2.7 V to 5.5 V.

2

GND1

Ground 1. Ground reference for isolator Side 1.

3

VIA

Logic Input A.

4

VIB

Logic Input B.

5

VIC

Logic Input C.

6

VOD

Logic Output D.

7

VE1

Output Enable. Active high logic input. VOx Side 1 outputs are enabled when VE1 is high or disconnected. VOX Side 1

outputs are disabled when VE1 is low. In noisy environments, connecting VE1 to an external logic high or low is

recommended.

8

GND1

Ground 1. Ground reference for isolator Side 1.

9

GND2

Ground 2. Ground reference for isolator Side 2.

10

VE2

Output Enable 2. Active high logic input. VOx outputs on Side 2 are enabled when VE2 is high or disconnected.

VOx Side 2 outputs are disabled when VE2 is low. In noisy environments, connecting VE2 to an external logic high or low

is recommended.

11

VID

Logic Input D.

12

VOC

Logic Output C.

13

VOB

Logic Output B.

14

VOA

Logic Output A.

15

GND2

Ground 2. Ground reference for isolator Side 2.

16

VDD2

Supply Voltage for Isolator Side 2, 2.7 V to 5.5 V.

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