ADM3491

–5–

REV. 0

PIN CONFIGURATION

DIP/SOIC

14

13

12

11

10

9

8

1

2

3

4

5

6

7

ADM3491

NC

RO

RE

DE

DI

GND

GND

TOP VIEW

(Not to Scale)

A

B

Z

Y

NC

NC = NO CONNECT

TSSOP

NC

RO

RE

DE

DI

NC

GND

NC

A

B

NC

Z

Y

NC

NC

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

NC = NO CONNECT

ADM3491

TOP VIEW

(Not to Scale)

PIN FUNCTION DESCRIPTIONS

Mnemonic

DIP/

Pin

SOIC

TSSOP

Function

NC

1, 8

2, 7, 9, 10,

13, 16

No Connect.

RO

2

3

Receiver Output. High when A > B by 200 mV or Low when A < B by 200 mV.

RE

3

4

Receiver Output Enable. With

RE low, the receiver output RO is enabled. With RE high,

the output goes high impedance. If

RE is high and DE low, the ADM3491 enters a

shutdown state.

DE

4

5

Driver Output Enable. A high level enables the driver differential outputs, Y and Z. A low

level places it in a high impedance state.

DI

5

6

Driver Input. When the driver is enabled, a logic Low on DI forces Y low and Z high while

a logic high on DI forces Y high and Z low.

GND

6, 7

8

Ground Connection, 0 V.

Y

9

11

Noninverting Driver Output Y.

Z

10

12

Inverting Driver Output Z.

B

11

14

Inverting Receiver Input B.

A

12

15

Noninverting Receiver Input A.

13, 14

1

Power Supply, 3.3 V

± 0.3 V.