2

LTC1484

(Note 1)

Driver Output Voltages ................................. – 7V to 10V

Receiver Input Voltages (Driver Disabled) .. –12V to 14V

Junction Temperature .......................................... 125

°C

Operating Temperature Range

LTC1484C ......................................... 0

LTC1484I ...................................... – 40

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Differential Driver Output Voltage (Unloaded)

q

V

Differential Driver Output Voltage (with Load)

R = 50

Ω (RS422)

q

2V

R = 27

Ω (RS485) Figure 1

q

1.5

5

V

R = 22

Ω, Figure 1

q

1.5

5

V

Differential Driver Output Voltage

q

1.5

5

V

(with Common Mode)

Change in Magnitude of Driver Differential

R = 22

Ω, 27Ω or R = 50Ω, Figure 1

q

0.2

V

Output Voltage for Complementary Output States

Driver Common Mode Output Voltage

R = 22

Ω, 27Ω or R = 50Ω, Figure 1

q

3V

Change in Magnitude of Driver Common Mode

R = 22

Ω, 27Ω or R = 50Ω, Figure 1

q

0.2

V

Output Voltage for Complementary Output States

Input High Voltage

DE, DI, RE

q

2.0

V

Input Low Voltage

DE, DI, RE

q

0.8

V

Input Current

DE, DI, RE

q

±2

µA

Input Current (A, B)

q

1.0

mA

q

– 0.8

mA

Differential Input Threshold Voltage for Receiver

– 7V

q

– 0.20

– 0.015

V

ELECTRICAL CHARACTERISTICS

ORDER PART

NUMBER

ORDER PART

NUMBER

LTC1484CMS8

LTC1484CN8

LTC1484CS8

LTC1484IN8

LTC1484IS8

S8 PART MARKING

1484

1484I

MS8 PART MARKING

LTDX

Consult factory for Military grade parts.

1

2

3

4

RO

RE

DE

DI

8

7

6

5

B

A

GND

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

1

2

3

4

8

7

6

5

TOP VIEW

RO

RE

DE

DI

B

A

GND

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

R

D