Low-Power, Low-Distortion, Central-Office

ADSL Drivers and Integrated Drivers/Receivers

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7

Pin Description

PIN

MAX9482

MAX9480

MAX9481

TSSOP

QFN

NAME

FUNCTION

1

2

2

31

POUT1

First Preamp Output

2

3

3

1

IN1-

First Inverting Input

3

4

4

2

IN1+

First Noninverting Input

4

—

11

10

RXP

Positive Receiver Output from Internal Hybrid

5

5

5

3

DGND

Ground

6

6

6

4

SHDN

Shutdown Control Pin

7

—

16

15

RXM

Negative Receiver Output from Internal Hybrid

8

7

7

5

IN2+

Second Preamp Noninverting Input

9

8

8

6

IN2-

Second Preamp Inverting Input

10

9

9

7

POUT2

Second Preamp Output

11, 20

11, 20

18, 28

17, 28

-2.5V Negative Power-Supply Voltage

12, 19

12, 19

19, 27

18, 27

+2.5V Positive Power-Supply Voltage

13, 18

13, 18

20, 25

19, 24

+5V Positive Power-Supply Voltage

14

14

21

20

OUT2

Second Driver Output

15, 16

15, 16

22, 23

21, 22

-5V First Negative Power-Supply Voltage

17

17

24

23

OUT1

First Driver Output

—

1

1

30

BOUT1

First Driver Output Sense

—

10

10

8

BOUT2

Second Driver Output Sense

——

12

11

RXIN1-

First Receiver Inverting Input

——

13

12

RXIN1+

First Receiver Noninverting Input

——

14

13

RXIN2+

Second Receiver Noninverting Input

——

15

14

RXIN2-

Second Receiver Inverting Input

——

17, 26

9, 16, 25, 26,

29, 32

N.C.

Not Internally Connected

EP

EP

EP

EP

See the Applications Information section.