SP3483_04 Datasheet, PDF (2/9 Pages) Sipex Corporation – +3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver

ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings 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 ............................................................................................ +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
T_MIN to T_MAX and V_CC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN. TYP.
DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
GND
2
Differential Output Voltage
1.5
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
Driver Common-Mode
Output Voltage
Input High Voltage
2.0
Input Low Voltage
Input Current
Driver Short-Circuit Current
V_OUT = HIGH
V_OUT = LOW
DRIVER
AC Characteristics
Maximum Data Rate
250
Driver Input to Output, t_PLH
400
900
Driver Input to Output, t_PHL
400
900
Differential Driver Skew
10
Driver Rise or Fall Time
700
Driver Enable to Output High
700
Driver Enable to Output Low
690
Driver Disable Time from Low
80
Driver Disable Time from High
90
RECEIVER
DC Characteristics
Differential Input Threshold -0.2
Input Hysteresis
20
Output Voltage High
Output Voltage Low
V_CC-0.4
Three-State (High Impedance)
Output Current
Input Resistance
12
15
Input Current (A, B); V_IN = 12V
Input Current (A, B); V_IN = -7V
Short-Circuit Current
7
ELECTRICAL CHARACTERISTICS
MAX. UNITS CONDITIONS
V_CC Volts Unloaded; R = ∞; Figure 1
V_CC Volts with load; R = 50Ω; (RS-422); Figure 1
V_CC Volts with load; R = 27Ω; (RS-485); Figure 1
0.2
3
0.8
±10
±250
±250
Volts
Volts
Volts
Volts
µA
mA
mA
R = 27Ω or R = 50Ω; Figure 1
R = 27Ω or R = 50Ω; Figure 1
Applies to DE, DI, RE
Applies to DE, DI, RE
Applies to DE, DI, RE
-7V ≤ V_O ≤ +12V
-7V ≤ V_O ≤ +12V
1500
1500
1000
1300
1300
120
120
kbps
ns
ns
ns
ns
ns
ns
ns
ns
RE = V_CC, DE = V_CC
Figures 2 and 8
Figures 2 and 8
t_DO1 - t_DO2 Figures 2 and 9
From 10% to 90% Figures 3 and 9
Figures 4 and 10
Figures 5 and 10
Figures 5 and 10
Figures 4 and 10
+0.2
0.4
+1
1.0
-0.8
60
Volts
mV
Volts
Volts
µA
kΩ
mA
mA
mA
-7V ≤ V_CM ≤ +12V
V_CM = 0V
V_ID = +200mV, -1.5mA
V_ID = -200mV, 2.5mA
0V ≤ V_O ≤ V_CC; RE = V_CC
-7V ≤ V_CM ≤ +12V
DE = 0V, V_CC = 0V or 3.6V, V_IN = 12V
DE = 0V, V_CC = 0V or 3.6V, V_IN = -7V
0V ≤ V_CM ≤ V_CC
Date: 6/23/04
SP3483 Low Power Slew Rate Limited Half-Duplex RS485 Transceivers
2
© Copyright 2004 Sipex Corporation