SP486E datasheet(2/11 Pages) SIPEX

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SP486E/487EDS/06

SP486E/487E Enhanced Quad RS-485/RS-422 Line Drivers

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 .................................................................. +7V

Input Voltages

Logic .................................... –0.5V to (V

CC +0.5V)

Drivers ................................. –0.5V to (V

CC +0.5V)

Driver Output Voltage ................................... +14V

Input Currents

Logic ........................................................ +25mA

Driver ....................................................... +25mA

Storage Temperature ................. –65

°C to +150°C

Power Dissipation

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

(derate 7mW/

°C above +70°C)

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

(derate 7mW/

°C above +70°C)

Lead Temperature (soldering, 10 sec) ......... 300

°C

SPECIFICATIONS

CC = 5V±5%; typicals at 25°C; TMIN ≤ TA ≤ TMAX unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

DC CHARACTERISTICS

Digital Inputs

DI, EN, EN, EN

1/EN2, EN3/EN4

Voltage

0.8

Volts

2.0

Volts

Input Current

µAVIN = 0V to VCC

DRIVER OUTPUTS

Differential Voltage

Volts

O = 0; unloaded

Volts

L = 50Ω(RS-422)

1.5

Volts

L = 27Ω (RS-485); Fig. 1

Change in Output Magnitude

0.2

Volts

L = 27Ω or 50Ω ; Fig. 1

for Complementary Output State

Common Mode Output Voltage

2.3

Volts

L = 27Ω or 50Ω; Fig. 1

Change in Common Mode Output Magnitude

0.2

Volts

L = 27Ω or 50Ω; Fig. 1

for Complementary Output State

L = 50Ω (RS-422)

L = 27Ω (RS-485)

Maximum Data Rate

Mbps

Short–circuit Current

+250

–7V

≤V

O ≤ +12V

+250

–7V

≤V

O ≤ +12V

High Impedance Output Current

+200

µAV

O = –7V to +12V

POWER REQUIREMENTS

Supply Voltage

4.75

5.00

5.25

Volts

Supply Current

0.5

No load, output enabled

0.5

µA

No load, output disabled

ENVIRONMENTAL AND MECHANICAL

Operating Temperature

–C

+70

°C

–E

–40

+85

°C

Storage Temperature

–65

+150

°C

Package

–_P

16–pin Plastic DIP

–_T

16–pin SOIC

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