THS7102

ADSL (POTS) CENTRAL OFFICE LINE INTERFACE DRIVER/RECEIVER

SLOS311B− MAY 2000 − REVISED DECEMBER 2001

6

POST OFFICE BOX 655303

transmit enable characteristics (TXEN1, TXEN2), VCCL = VCCOPx = 15 V, VCCON = GND,

BUFEN

TXEN1

TXEN2

FUNCTION

DESCRIPTION

X

0

0

Tx OFF

Device completely powered down

X

0

1

Tx ON − 100% bias

Full power

X

1

1

Tx ON − Medium bias

Medium power

X

1

0

Tx ON − Low bias

Low power

0

X

X

Buffers off

Conserves power when buffers are not required

1

X

X

Buffers enabled

Useful for extra RX filtering

NOTE: The default state shall be a logic one (1).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TXEN1

VTXEN1 = 5 V

−5

0

5

IIH

TXEN2

VTXEN2 = 5 V

−5

0

5

µA

IIH

BUFEN

VBUFEN = 5 V

−5

0

5

µA

TXEN1

VTXEN1 = 0 V

−70

−50

−30

IIL

TXEN2

VTXEN2 = 0 V

−70

−55

−30

µA

IIL

BUFEN

VBUFEN = 0 V

−70

−50

−30

µA

VIH

All logic control pins

≥2.3

V

VIL

All logic control pins

≤0.8

V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO

Output voltage, VAG

7.4

7.5

7.6

V

VO

Output voltage, buffer

VI = 7.5 V

7.0

7.5

8.0

V