SP385E-1CT datasheet(2/11 Pages) SIPEX

2 / 11 page

Rev. 07/26/02

SP385E-1 True +3V to +5V RS-232 Line Driver/Receiver

SPECIFICATIONS

VCC = +3.3V ± 10%; cap on (V+) and (V-) = 1.0µF, C1 = C2 = 0.1µF; TMIN to TMAX unless otherwise noted.

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

TTL INPUT

Logic Threshold

Low

0.8

Volts

TIN ; ON/OFF Vcc = 3.3V

High

2.0

Volts

TIN ; ON/OFF Vcc = 3.3V

Logic Pullup Current

0.01

200

µATIN = 0V

Maximum Data Rate

120

kbps

CL = 2500pF, RL= 3kΩ

TTL OUTPUT

TTL/CMOS Output

Voltage, Low

0.4

Volts

IOUT = 1.6mA; Vcc = 3.3V

Voltage, High

VCC-0.6

Volts

IOUT = -1.0mA

Leakage Current; TA = +25°C

0.05

±10

µA

ON/OFF=0V, 0 ≤ VOUT ≤ VCC

EIA-562 OUTPUT

Output Voltage Swing

±3.7

±4.2

Volts

All transmitter outputs loaded

with 3kΩ to ground

Power-Off Output Resistance

300

Ω

VCC = 0V; VOUT = ±2V

Output Short Circuit Current

±35

Infinite duration

EIA-562 INPUT

Voltage Range

-15

+15

Volts

Voltage Threshold

Low

0.6

1.2

Volts

VCC = 3.3V, TA = +25°C

High

1.5

2.4

Volts

VCC = 3.3V, TA = +25°C

Hysteresis

0.5

1.0

Volts

VCC = 3.3V, TA = +25°C

Resistance

kΩ

VIN = 15V to –15V

DYNAMIC CHARACTERISTICS

Driver Propagation Delay

1.0

µs

TTL to RS-562

Receiver Propagation Delay

0.3

µs

RS-562 to TTL

Instantaneous Slew Rate

V/µsCL = 10pF, RL= 3kΩ - 7kΩ;

TA = +25°C

Transition Region Slew Rate

V/µsCL = 2500pF, RL= 3kΩ;

measured from +2V to -2V

or -2V to +2V

Output Enable Time

200

Output Disable Time

200

POWER REQUIREMENTS

VCC Power Supply Current

0.5

No load, TA= +25°C;

VCC = 3.3V

8mA

All transmitters RL = 3kΩ

TA = +25°C

Shutdown Supply Current

0.010

µAVCC = 3.3V, TA = +25°C

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)

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