SP233ACP datasheet(2/12 Pages) SIPEX

2 / 12 page

Date: 10/17/ 05

SP232A Series Enhanced RS232 Transceivers

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 +11.0V

V- ............................................................................................................................................................ -11.0V

Input Voltages

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

-0.3 to (Vcc +0.3V)

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

±30V

CC=+5V±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 ; EN, SD

HIGH

2.0

Volts

IN ; EN, SD

Logic Pull-Up Current

200

µAT

IN = ZeroV

TTL OUTPUT

TTL/CMOS Output

Voltage, Low

0.4

Volts

OUT = 3.2mA; Vcc = +5V

Voltage, High

3.5

Volts

OUT = -1.0mA

Leakage Current; T

A = +25°

0.05

±10

µA

EN = V

CC, ZeroV

≤V

OUT ≤VCC

SP310A and SP312A only

RS-232 OUTPUT

Output Voltage Swing

±5

±6

Volts

All transmitter outputs loaded

with 3kΩ to Ground

Output Resistance

300

Ohms

CC = ZeroV; VOUT = ±2V

Output Short Circuit Current

±18

Infinite duration

Maximum Data Rate

120

240

Kbps

L = 2500pF, RL= 3kΩ

RS-232 INPUT

Voltage Range

-30

+30

Volts

Voltage Threshold

LOW

0.8

1.2

Volts

CC = 5V, TA = +25°C

HIGH

1.7

2.4

Volts

CC = 5V, TA = +25°C

Hysteresis

0.2

0.5

1.0

Volts

CC = 5V, TA = +25°C

Resistance

kΩ

A = +25°C, -15V ≤ VIN ≤ +15V

DYNAMIC CHARACTERISTICS

Driver Propagation Delay

1.5

3.0

µs

TTL to RS-232; C

L = 50pF

Receiver Propagation Delay

0.1

1.0

µs

RS-232 to TTL

Instantaneous Slew Rate

V/µsC

L = 10pF, RL= 3-7kΩ;

A =+25°C

Transition Region Slew Rate

V/µsC

L = 2500pF, RL= 3kΩ;

measured from +3V to -3V

or -3V to +3V

Output Enable Time

400

SP310A and SP312A only

Output Disable Time

250

SP310A and SP312A only

POWER REQUIREMENTS

CC Power Supply Current

SP232A

No load, T

A= +25°C; VCC = 5V

SP233A, SP310A, SP312A

No load, T

A= +25°C; VCC = 5V

CC Supply Current,Loaded

SP232A

All transmitters R

L = 3kΩ;

A = +25

°C

SP233A, SP310A, SP312A

All transmitters R

L = 3kΩ;

A = +25°C

Shutdown Supply Current

SP310A,SP312A

µAV

CC = 5V, TA = +25°C

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Output Voltages

OUT

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

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

OUT

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

-0.3V to (Vcc +0.3V)

Short Circuit Duration

OUT

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

Continuous

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

(derate 7mW/°C above +70°C)

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

(derate 7mW/°C above +70°C)

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