SN75LBC773

GEOPORT

™ TRANSCEIVER

SLLS247C – FEBRUARY 1997 – NOVEMBER 1997

3

POST OFFICE BOX 655303

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

TA = 70°C

POWER RATING

DW

1125 mW

9.0 mW/

°C

720 mW

recommended operating conditions

MIN

NOM

MAX

UNIT

Positive supply voltage, VCC

4.75

5

5.25

V

Negative supply voltage, VEE

– 5.25

–5

– 4.75

V

High-level input voltage, VIH

(DA, REN, DEN)

2

V

Low-level input voltage, VIL

(DA, REN, DEN)

0.8

V

Receiver common-mode input voltage, VIC

–7

7

V

Receiver differential input voltage, VID

–12

12

V

Operating free-air temperature, TA

0

70

°C

driver electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High level output voltage

RL= 12 kΩ

3.6

4.5

V

VOH

High-level output voltage

Single-ended,

RL= 120 Ω

2

3.6

V

VOL

Low level output voltage

g,

See Figure 1

RL= 12 kΩ

– 4.5

–3.6

V

VOL

Low-level output voltage

RL = 120 Ω

–3.6

–2

V

|VOD|

Magnitude of differential output voltage

|VDY – VDZ|

RL = 120 Ω,

See Figure 2

4

V

∆|VOD|

Change in differential voltage magnitude

L

,

g

250

mV

VOC

Common-mode output voltage

–2

2

V

|

∆VOC(SS)|

Magnitude of change, common-mode

steady-state output voltage

See Figure 3

200

mV

|

∆VOC(PP)|

Magnitude of change, common-mode

peak-to-peak output voltage

700

mV

ICC

Positive supply current

REN = 5 V,

DEN = 0 V,

4

10

mA

IEE

Negative supply current

,

No Load

DEN

0 V,

–2

–5

mA

ICC

Positive supply current

REN = 0 V,

DEN = 5 V,

100

µA

IEE

Negative supply current

,

No Load

DEN

5 V,

– 100

µA

IOZ

High-impedance output current

VCC = 0 or 5 V,

–10

≤ VO ≤ 10 V

±100

µA

IOS

Short-circuit output current

VCC = 5.25 V,

See Note 3

–5 V

≤ VO ≤ 5 V,

±170

±450

mA

NOTE 3: Not more than one output should be shorted at one time.