
SP488/489
Quad RS-485/RS-422 Line Receivers
Copyright 2000 Sipex Corporation
2
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.
V
CC ............................................................................................ +7V
Input Voltages
Logic ............................................................. –0.5V to (V
CC +0.5V)
Receiver ...............................................................................
±14V
Receiver Output Voltage ................................. –0.5V to (V
CC +0.5V)
Input Currents
Logic ..................................................................................
±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
V
CC = 5V±5%; typicals at 25°C; TMIN ≤ TA ≤ TMAX unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
DC CHARACTERISTICS
Digital Inputs
EN, EN, EN
1/EN2, EN3/EN4
Voltage
V
IL
0.8
Volts
V
IH
2.0
Volts
Input Current
±2
A
0V
≤ V
IN
≤ V
CC
RECEIVER INPUTS
Input Resistance
12
kOhm
–7V
≤ V
CM ≤ 12V
Differential Input Threshold
–0.2
+0.2
Volts
–7V
≤ V
CM ≤ 12V
Input Current (A, B)
V
CC = 0V or 5.25V; IIN2
+1.0
mA
V
IN = +12V
–0.8
mA
V
IN = –7V
Maximum Data Rate
10
Mbps
RECEIVER OUTPUTS
Output Voltage
V
OH
3.5
V
I
O = –4mA; VID = +0.2V
V
OL
0.4
V
I
O = +4mA; VID = –0.2V
High Impedance Output Current
±1
A
V
CC = maximum; 0.4V ≤ VO ≤ 2.4V
POWER REQUIREMENTS
Supply Voltage
4.75
5.00
5.25
Volts
Supply Current
1
5
mA
No load
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
–C
0
+70
°C
–E
–40
+85
°C
Storage Temperature
–65
+150
°C
Package
–_S
16–pin Plastic DIP
–_T
16–pin SOIC