SN55LBC176, SN65LBC176, SN65LBC176Q, SN75LBC176

DIFFERENTIAL BUS TRANSCEIVERS

SLLS067H − AUGUST 1990 − REVISED DECEMBER 2010

5

POST OFFICE BOX 655303

DRIVER SECTION

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Input clamp voltage

−1.5

V

Output voltage

0

6

V

Differential output voltage

1.5

6

V

55LBC176,

| V

|

Diff

ti l

t t

lt

See Figure 1,

55LBC176,

65LBC176,

1.1

V

Differential output voltage

See Note 3

See Figure 1,

65LBC176,

65LBC176Q

1.1

V

See Note 3

75LBC176

1.5

5

S

55LCB176,

65LCB176

11

Differential output voltage

See Note 3

See Figure 2,

65LCB176,

65LBC176Q

1.1

V

See Note 3

75LBC176

1.5

5

Change in magnitude of differential

−0.2

0.2

V

Common-mode output voltage

See Figure 1

−1

3

V

Change in magnitude of

See Figure 1

−0.2

0.2

V

I

Output current

Output disabled,

1

mA

Output current

Output disabled,

See Note 4

−0.8

mA

High-level input current

−100

μA

Low-level input current

−100

μA

−250

I

Short circuit output current

−150

mA

Short-circuit output current

250

mA

250

Receiver disabled

55LBC176,

65LBC176Q

1.75

I

Supply current

Receiver disabled

and driver enabled

65LBC176,

75LBC176

1.5

mA

Supply current

No load

Receiver and driver

55LBC176,

65LBC176Q

0.25

mA

Receiver and driver

disabled

65LBC176,

75LBC176

0.2

low level.

4. This applies for both power on and off; refer to TIA/EIA−485−A for exact conditions.