ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
theseratingsoranyotherabovethoseindicatedintheoperationsections
ofthespecificationsbelowisnotimplied. Exposuretoabsolutemaximum
rating conditions for extended periods of time may affect reliability.
VCC ............................................................................................ +6.0V
Input Voltages
Logic ............................................. -0.3V to +6.0V
Drivers .......................................... -0.3V to +6.0V
Receivers ..................................................... ±15V
Output Voltages
Drivers ......................................................... ±15V
Receivers ...................................... -0.3V to +6.0V
Storage Temperature ............................................... -65˚C to +150˚C
Power Dissipation per package
8-pin NSOIC (derate 6.14mW/˚C above +70˚C) .................... 500mW
8-pin PDIP (derate 11.8mW/˚C above +70˚C) ..................... 1000mW
ELECTRICAL CHARACTERISTICS
TMIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
GND
2
VCC
VCC
Volts
Volts
Unloaded; R = ∞; Figure 1
with load; R = 50Ω; (RS-422); Figure 1
Differential Output Voltage
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
Driver Common-Mode
Output Voltage
Input High Voltage
Input Low Voltage
Input Current
1.5
VCC
Volts
Volts
with load; R = 27Ω; (RS-485); Figure 1
0.2
3
R = 27Ω or R = 50Ω; Figure 1
Volts
Volts
Volts
µA
R = 27Ω or R = 50Ω; Figure 1
Applies to DE, DI, RE
Applies to DE, DI, RE
Applies to DE, DI, RE
2.0
0.8
±10
Driver Short-Circuit Current
VOUT = HIGH
VOUT = LOW
±250
±250
mA
mA
-7V ≤ VO ≤ +12V
-7V ≤ VO ≤ +12V
DRIVER
AC Characteristics
Maximum Data Rate
250
400
400
kbps
ns
RE = VCC, DE = VCC
Figures 2 and 8
Driver Input to Output, tPLH
Driver Input to Output, tPHL
900
900
1500
1500
ns
Figures 2 and 8
Differential Driver Skew
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
10
700
700
690
80
ns
ns
ns
ns
ns
ns
tDO1 - tDO2 Figures 2 and 9
From 10% to 90% Figures 3 and
Figures 4 and 10
Figures 5 and 10
Figures 5 and 10
1000
1300
1300
120
9
90
120
Figures 4 and 10
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Three-State (High Impedance)
Output Current
-0.2
+0.2
Volts
mV
Volts
Volts
-7V ≤ VCM ≤ +12V
VCM = 0V
VID = +200mV, -1.5mA
VID = -200mV, 2.5mA
20
15
VCC-0.4
0.4
+1
µA
kΩ
mA
mA
mA
0V ≤ VO ≤ VCC; RE = VCC
-7V ≤ VCM ≤ +12V
DE = 0V, VCC = 0V or 3.6V, VIN = 12V
DE = 0V, VCC = 0V or 3.6V, VIN = -7V
0V ≤ VCM ≤ VCC
Input Resistance
12
7
Input Current (A, B); VIN = 12V
Input Current (A, B); VIN = -7V
Short-Circuit Current
1.0
-0.8
60
Date: 6/23/04
SP3483 Low Power Slew Rate Limited Half-Duplex RS485 Transceivers
© Copyright 2004 Sipex Corporation
2
SIPEX [ SIPEX CORPORATION ]
