SP483 SIPEX [Sipex Corporation], SP483 Datasheet - Page 2

• Manufacturer Part Number: SP483
• Description: Low Power Half-Duplex RS-485 Transceivers
• Manufacturer: SIPEX [Sipex Corporation]

Rev. 07/16/02
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
Input Voltages
Output Voltages
Storage Temperature.......................................................-65˚C to +150˚C
Power Dissipation...........................................................................500mW
SPECIFICATIONS
T
MIN
CC
............................................................................................................±12V
to T
PARAMETERS
SP481/SP483/SP485 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
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
Driver Short-Circuit Current
SP481/SP485 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output
Driver Input to Output
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
SP481/SP483/SP485 RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Three-State (High Impedance)
Output Current
Input Resistance
Input Current (A, B); V
Input Current (A, B); V
Short-Circuit Current
V
V
MAX
OUT
OUT
and V
Logic........................................................-0.3V to (V
Drivers..................................................-0.3V to (V
Receivers................................................................. ±15V
Logic........................................................-0.3V to (V
Drivers...................................................................... ±15V
Receivers............................................-0.3V to (V
= HIGH
= LOW
CC
= 5V ± 5% unless otherwise noted.
IN
IN
= 12V
= -7V
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
GND
MIN.
-0.2
1.5
2.0
3.5
35
35
20
20
12
2
5
3
7
TYP.
30
30
15
40
40
40
40
10
15
CC
CC
CC
CC
5
+0.5V)
+0.5V)
+0.5V)
+0.5V)
MAX.
2
+0.2
+1.0
V
V
V
250
-0.8
±10
250
0.2
0.8
0.4
60
60
10
40
70
70
70
70
±1
95
3
CC
CC
CC
UNITS
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Mbps
Volts
Volts
Volts
mA
mA
mV
mA
mA
mA
µA
µA
ns
ns
ns
ns
ns
ns
ns
ns
kΩ
CONDITIONS
Unloaded; R = ∞ ; see figure 1
with load; R = 50Ω; (RS422);
see figure 1
with load; R = 27Ω; (RS485); see figure 1
R = 27Ω or R = 50Ω; see figure 1
R = 27Ω or R = 50Ω; see figure 1
Applies to DE, DI, RE
Applies to DE, DI, RE
Applies to DE, DI, RE
-7V ≤ V
-7V ≤ V
RE = 5V, DE = 5V
t
see figures 3 and 6
t
see figures 3 and 6
see figures 3 and 6,
t
From 10% to 90%; R
C
C
C
C
C
-7V ≤ V
V
I
I
0.4V ≤ V
-7V ≤ V
DE = 0V, V
DE = 0V, V
0V ≤ V
PLH
PHL
SKEW
O
O
L
L
L
L
CM
L1
= -4mA, V
= +4mA, V
= 100pF; see figures 4 & 7; S
= 100pF; see figures 4 & 7; S
= 15pF; see figures 2 & 9; S
= 15pF; see figures 2 & 9; S
; R
; R
= C
= 0V
= | t
DIFF
DIFF
CM
O
O
CM
CM
L2
O
≤ +12V
≤ +12V
DPLH
= 54Ω, C
= 54Ω, C
≤ V
= 100pF; see figures 3 and 6
≤ 2.4V; RE = 5V
≤ +12V
≤ +12V
CC
CC
© Copyright 2002 Sipex Corporation
ID
CC
ID
= 0V or 5.25V, V
= 0V or 5.25V, V
- t
= +200mV
= -200mV
DPHL
L1
L1
= C
= C
DIFF
|
L2
L2
= 54Ω,
1
2
= 100pF;
= 100pF;
2
1
closed
closed
closed
closed
IN
IN
= 12V
= -7V