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SP3483 Datasheet(PDF) 2 Page - Sipex Corporation

Part No. SP3483
Description  3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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SP3483 Datasheet(HTML) 2 Page - Sipex Corporation

   
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SP3483 DS/04
SP3483 Low Power Slew Rate Limited Half-Duplex RS485 Transceivers
© Copyright 2000 Sipex Corporation
2
T
MIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
DRIVER
DC Characteristics
Differential Output Voltage
GND
V
CC
Volts
Unloaded; R =
∞; Figure 1
Differential Output Voltage
2
V
CC
Volts
with load; R = 50
Ω; (RS-422); Figure 1
Differential Output Voltage
1.5
V
CC
Volts
with load; R = 27
Ω; (RS-485); Figure 1
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
0.2
Volts
R = 27
Ω or R = 50Ω; Figure 1
Driver Common-Mode
Output Voltage
3
Volts
R = 27
Ω or R = 50Ω; Figure 1
Input High Voltage
2.0
Volts
Applies to DE, DI, RE
Input Low Voltage
0.8
Volts
Applies to DE, DI, RE
Input Current
±10
µA
Applies to DE, DI, RE
Driver Short-Circuit Current
V
OUT = HIGH
±250
mA
-7V
≤ V
O ≤ +12V
V
OUT = LOW
±250
mA
-7V
≤ V
O ≤ +12V
DRIVER
AC Characteristics
Maximum Data Rate
250
kbps
RE = V
CC, DE = VCC
Driver Input to Output, t
PLH
400
900
1500
ns
Figures 2 and 8
Driver Input to Output, t
PHL
400
900
1500
ns
Figures 2 and 8
Differential Driver Skew
10
ns
t
DO1 - tDO2 Figures 2 and 9
Driver Rise or Fall Time
700
1000
ns
From 10% to 90%
Figures 3 and
9
Driver Enable to Output High
700
1300
ns
Figures 4 and 10
Driver Enable to Output Low
690
1300
ns
Figures 5 and 10
Driver Disable Time from Low
80
120
ns
Figures 5 and 10
Driver Disable Time from High
90
120
ns
Figures 4 and 10
RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V
≤ V
CM ≤ +12V
Input Hysteresis
20
mV
V
CM = 0V
Output Voltage High
V
CC-0.4
Volts
V
ID = +200mV, -1.5mA
Output Voltage Low
0.4
Volts
V
ID = -200mV, 2.5mA
Three-State (High Impedance)
Output Current
+1
µA
0V
≤ V
O ≤ VCC; RE = VCC
Input Resistance
12
15
k
-7V
≤ V
CM ≤ +12V
Input Current (A, B); V
IN = 12V
1.0
mA
DE = 0V, V
CC = 0V or 3.6V, VIN = 12V
Input Current (A, B); V
IN = -7V
-0.8
mA
DE = 0V, V
CC = 0V or 3.6V, VIN = -7V
Short-Circuit Current
7
60
mA
0V
≤ V
CM ≤ VCC
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............................................................................................................+7V
Input Voltages
Logic........................................................-0.3V to (V
CC+0.5V)
Drivers..................................................-0.3V to (V
CC+0.5V)
Receivers.................................................................
±15V
Output Voltages
Logic........................................................-0.3V to (V
CC+0.5V)
Drivers......................................................................
±15V
Receivers............................................-0.3V to (V
CC+0.5V)
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
SPECIFICATIONS


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