SP385A datasheet(2/9 Pages) SIPEX

2 / 9 page

SP385ADS/05

SP385A Line Driver/Receiver

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.

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

+6V

V+ .................................................................................................................... (Vcc-0.3V) to +13.2V

V- .............................................................................................................................................................. 13.2V

Input Voltages

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

-0.3 to (Vcc +0.3V)

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

±15V

Output Voltages

OUT

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

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

OUT

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

-0.3V to (Vcc +0.3V)

Short Circuit Duration

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

CC=+3.3V±10%; 0.1µF charge pump capacitors; TMIN to TMAX

unless otherwise noted.

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

TTL INPUT

Logic Threshold

Low

0.8

Volts

IN ; ON/OFF Vcc = 3.3V

High

2.0

Volts

IN ; ON/OFF Vcc = 3.3V

Logic Pullup Current

200

µAT

IN = 0V

Maximum Data Rate

120

kbps

L = 2500pF, RL= 3kΩ

TTL OUTPUT

TTL/CMOS Output

Voltage, Low

0.5

Volts

OUT = 3.2mA; Vcc = 3.3V

Voltage, High

2.4

Volts

OUT = -1.0mA

Leakage Current; T

A = +25°C

0.05

±10

µA

ON/OFF=0V, 0V

≤ V

OUT ≤ VCC

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

CC = 0V; VOUT =

±2V

Output Short Circuit Current

±10

Infinite duration

EIA-562 INPUT

Voltage Range

-15

+15

Volts

Voltage Threshold

Low

0.8

1.2

Volts

CC = 3.3V, TA = +25°C

High

1.7

2.4

Volts

CC = 3.3V, TA = +25°C

Hysteresis

0.2

0.5

1.0

Volts

CC = 3.3V, TA = +25°C

Resistance

Ω

IN = 15V to –15V

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

µsC

L = 10pF, RL= 3kΩ - 7kΩ;

A = +25°C

Transition Region Slew Rate

µsC

L = 2500pF, RL= 3kΩ;

measured from +2V to -2V

or -2V to +2V

Output Enable Time

300

Output Disable Time

1000

POWER REQUIREMENTS

CC Power Supply Current

No load, T

A= +25°C; VCC = 3.3V

All transmitters R

L = 3kΩ

= +25

°C

Shutdown Supply Current

0.010

µAV

CC = 3.3V, TA = +25°C

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