ADUM3301 datasheet(13/20 Pages) AD

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ADuM3300/ADuM3301

Rev. 0 | Page 13 of 20

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

VDD1 1

*GND1 2

VIA 3

VIB 4

VDD2

GND2*

VOA

VOB

VIC 5

VOC

VE2

*GND1 8

GND2*

NC = NO CONNECT

ADuM3300

TOP VIEW

(Not to Scale)

Figure 4. ADuM3300 Pin Configuration

Pin 2 and Pin 8 are internally connected, and connecting both to GND1 is recommended. Pin 9 and Pin 15 are internally connected, and

connecting both to GND2 is recommended. In noisy environments, connecting output enables (Pin 7 for ADuM3301 and Pin 10 for all

models) to an external logic high or low is recommended.

Table 11. ADuM3300 Pin Function Descriptions

Pin No. Mnemonic Function

VDD1

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

2, 8

GND1

Ground 1. Ground Reference for Isolator Side 1.

VIA

Logic Input A.

VIB

Logic Input B.

VIC

Logic Input C.

6, 7, 11 NC

No Connect.

9, 15

GND2

Ground 2. Ground Reference for Isolator Side 2.

VE2

Output Enable 2. Active high logic input. VOA, VOB, and VOC outputs are enabled when VE2 is high or disconnected.

VOA, VOB, and VOC outputs are disabled when VE2 is low. In noisy environments, connecting VE2 to an external

logic high or low is recommended.

VOC

Logic Output C.

VOB

Logic Output B.

VOA

Logic Output A.

VDD2

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

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