THS7102

ADSL (POTS) CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER

SLOS311B− MAY 2000 − REVISED DECEMBER 2001

4

POST OFFICE BOX 655303

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

NAME

NO.

I/O

DESCRIPTION

BUFEN

1

I

Buffer enable − enables buffers 1 and 2

1BUFOUT

2

O

Buffer 1 output

1BUFIN

3

I

Buffer 1 input

2BUFIN

6

I

Buffer 2 input

2BUFOUT

7

O

Buffer 2 output

GND

26

I

Ground

NC

25

No connect

RXCM

8

O

Receive channel common-mode voltage decoupling node

RXMO

9

O

Negative receiver preamp output

RXMI

10

I

Negative receiver preamp inverting input

RXMN

11

I

Negative receiver preamp noninverting input

RXOUTP

4

O

Receive channel positive output

RXOUTN

5

O

Receive channel negative output

RXPI

14

I

Positive receiver preamp inverting input

RXPN

13

I

Positive receiver preamp noninverting input

RXPO

15

O

Positive receiver preamp output

TXAF

22

O

Driver A output

TXBF

18

O

Driver B output

TXAS1

23

I

Driver A sense point 1

TXAS2

21

I

Driver A sense point 2

TXBS1

17

I

Driver B sense point 1

TXBS2

19

I

Driver B sense point 2

TXCM

30

O

Transmit channel common mode decoupling node

TXEN1

29

I

Transmit enable 1

TXEN2

28

I

Transmit enable 2

TXINN

32

I

Transmit channel negative input

TXINP

31

I

Transmit channel positive input

VAG

12

O

Virtual analog ground − is at VCCL/2

VCCL

27

I

VCC to low level circuitry

VCCON

20

I

Output stage negative supply − tie to ground

VCCOPx

16, 24

I

Output stage positive VCC supply

recommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage

VCCL, VCCOP1, VCCOP2

7.5

15

16

V

Operating free-air temperature, TA

I−suffix

−40

85

°C

Operating free-air temperature, TA

C−suffix

0

70

°C