SP211B datasheet(2/15 Pages) SIPEX

2 / 15 page

REV: A DATE:12/03/2003

+5V High-Speed RS232 Transceivers

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device

at these or any other above those indicated in the operation

sections of the specifications below is not implied. Exposure to

absolute maximum rating conditions for extended periods of time

may affect reliability.

CC ............................................................................................ +6V

V+ ................................................................. (V

CC – 0.3V) to +13.2V

V– ........................................................................................... 13.2V

Input Voltages

IN ................................................................... –0.3V to (VCC +0.3V)

IN ........................................................................................... ±20V

Output Voltages

OUT .......................................................... (V

+, +0.3V) to (V–, –0.3V)

OUT ................................................................. –0.3V to (VCC +0.3V)

Short Circuit Duration on T

OUT ....................................... Continuous

Power Dissipation

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

(derate 7mW/°C above +70°C)

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

(derate 7mW/°C above +70°C)

SPECIFICATIONS

CC at nominal ratings; 0.1µF charge pump capacitors; TMIN to TMAX, unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

TTL INPUTS

IN, EN, SD

Logic Threshold

0.8

Volts

2.0

Volts

Logic Pullup Current

200

µAT

IN = 0V

Maximum Data Rate

120

kbps

L = 2,500pF, RL = 3kΩ

TTL OUTPUTS

Compatibility

TTL/CMOS

0.4

Volts

OUT = 3.2mA; VCC = +5V

3.5

Volts

OUT = –1.0mA

Leakage Current

0.05

±10

µA

EN = V

CC; 0V ≤ VOUT ≤ VCC ;

A = +25°C

RS-232 OUTPUT

Output Voltage Swing

±5

±7

Volts

All transmitter outputs loaded

with 3kΩ to ground

Output Resistance

300

Ohms

CC = 0V; VOUT = ±2V

Output Short Circuit Current

±25

Infinite duration

RS-232 INPUT

Voltage Range

–15

+15

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

Resistance

kΩ

±15V; T

A = +25°C

DYNAMIC CHARACTERISTICS

Propagation Delay

1.5

µs

RS-232–to–TTL

Instantaneous Slew Rate

V/µsC

L = 50pF, RL = 3–7kΩ;

A = +25°C

Transition Region Slew Rate

V/µsC

L = 2,500pF, RL = 3kΩ;

measured from +3V to –3V

or –3V to +3V

Output Enable Time

400

Output Disable Time

250

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