SP385ADS/05

SP385A Line Driver/Receiver

© Copyright 2000 Sipex Corporation

2

ABSOLUTE MAXIMUM RATINGS

This is a stress rating only and functional operation of the device at

these or any other conditions above those indicated in the operation

sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods of time may affect

reliability.

V

cc

.................................................................................................................................................................

+6V

Input Voltages

T

IN

.........................................................................................................................

-0.3 to (Vcc +0.3V)

R

IN

............................................................................................................................................................

±15V

Output Voltages

T

OUT

....................................................................................................

(V+, +0.3V) to (V-, -0.3V)

R

OUT

................................................................................................................

-0.3V to (Vcc +0.3V)

Short Circuit Duration

T

OUT

.........................................................................................................................................

Continuous

Power Dissipation

CERDIP .............................................................................. 675mW

(derate 9.5mW/

°C above +70°C)

Plastic DIP .......................................................................... 375mW

(derate 7mW/

°C above +70°C)

Small Outline ...................................................................... 375mW

(derate 7mW/

°C above +70°C)

SPECIFICATIONS

V

unless otherwise noted.

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

TTL INPUT

Logic Threshold

Low

0.8

Volts

T

High

2.0

Volts

T

Logic Pullup Current

15

200

µAT

Maximum Data Rate

120

kbps

C

TTL OUTPUT

TTL/CMOS Output

Voltage, Low

0.5

Volts

I

Voltage, High

2.4

Volts

I

Leakage Current; T

0.05

±10

µA

ON/OFF=0V, 0V

≤ V

EIA-562 OUTPUT

Output Voltage Swing

±3.7

±4.2

Volts

All transmitter outputs loaded

with 3k

Ω to ground

Power-Off Output Resistance

300

Ω

V

±2V

Output Short Circuit Current

±10

mA

Infinite duration

EIA-562 INPUT

Voltage Range

-15

+15

Volts

Voltage Threshold

Low

0.8

1.2

Volts

V

High

1.7

2.4

Volts

V

Hysteresis

0.2

0.5

1.0

Volts

V

Resistance

3

5

7

k

Ω

V

DYNAMIC CHARACTERISTICS

Driver Propagation Delay

4.0

µs

TTL to RS-562

Receiver Propagation Delay

1.5

µs

RS-562 to TTL

Instantaneous Slew Rate

30

V/

µsC

T

Transition Region Slew Rate

10

V/

µsC

measured from +2V to -2V

or -2V to +2V

Output Enable Time

300

ns

Output Disable Time

1000

ns

POWER REQUIREMENTS

V

3

6

mA

No load, T

8

mA

All transmitters R

T

A

= +25

°C

Shutdown Supply Current

0.010

5

µAV