4

FN6074.2

Absolute Maximum Ratings

Thermal Information

Input Voltages

Input/Output Voltages

A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V

Short Circuit Duration

Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous

ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table

Thermal Resistance (Typical, Note 1)

14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .

128

Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C

(Lead Tips Only)

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

Electrical Specifications

Note 2

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Full

-

-

V

R = 50

Ω (RS-422) (Figure 1)

Full

2

3

-

V

R = 27

Ω (RS-485) (Figure 1)

Full

1.5

2.3

5

V

Change in Magnitude of Driver

Complementary Output States

R = 27

Ω or 50Ω (Figure 1)

Full

-

0.01

0.2

V

R = 27

Ω or 50Ω (Figure 1)

Full

-

-

3

V

Change in Magnitude of Driver

Complementary Output States

R = 27

Ω or 50Ω (Figure 1)

Full

-

0.01

0.2

V

Logic Input High Voltage

DE, DI, RE

Full

2

-

-

V

Logic Input Low Voltage

DE, DI, RE

Full

0.8

-

-

V

Logic Input Current

DI

Full

-2

-

2

µA

DE, RE

Full

-40

-

40

µA

Input Current (A, B) (Note 5)

4.5 to 5.5V

Full

-

-

130

µA

Full

-100

-

-

µA

Driver Three-State (high

impedance) Output Current (Y, Z)

-7V

Full

-100

-

100

µA

Receiver Differential Threshold

Voltage

-7V

Full

-0.2

-

0.2

V

Receiver Input Hysteresis

25

-

70

-

mV

Receiver Output High Voltage

Full

3.5

-

-

V

Receiver Output Low Voltage

Full

-

-

0.4

V

Three-State (high impedance)

Receiver Output Current

0.4V

Full

-

-

±1

µA

Receiver Input Resistance

-7V

Full

92

120

-

k

Ω

No-Load Supply Current (Note 3)

Full

-

140

190

µA

Full

-

370

460

µA

Driver Short-Circuit Current,

Full

35

-

250

mA

Receiver Short-Circuit Current

0V

Full

7

-

85

mA

ISL4489E, ISL4491E