SP331 Datasheet, PDF (3/13 Pages) Sipex Corporation – Programmable RS-232/RS-485 Transceiver

Typically 25°C @ Vcc = +5V unless otherwise noted.
MIN. TYP. MAX.
RS-485 DRIVER
Balance
Common-Mode Output
Output Current
28.0
Short Circuit Current
±0.2
3.0
±250
AC Characteristics
Maximum Data Rate
Output Transition Time
Propagation Delay
t_PHL
t_PLH
Driver Output Skew
RS-485 RECEIVER
DC Characteristics
Inputs
Common Mode Range
Receiver Sensitivity
Input Impedance
10
30
50
80
120
80
120
10
20
–7.0
+12.0
±0.2
±0.3
12
15
AC Characteristics
Maximum Data Rate
10
Propagation Delay
t_PHL
t_PLH
Differential Receiver Skew
130
200
130
200
10
20
ENABLE TIMING
RS-485 Driver
Enable Time
Enable to Low
Enable to High
Disable Time
Disable From Low
Disable From High
90
150
90
150
80
120
80
120
ELECTRICAL CHARACTERISTICS
UNITS
CONDITIONS
Volts
Volts
mA
mA
|V_T| - |V_T|
R_L=54Ω
Terminated in –7V to +10V
Mbps
ns
ns
ns
ns
R_L=54Ω
Rise/fall time, 10%–90%
See Figures 2 & 4
R_DIFF=54Ω, C_L1=C_L2=100pF
R_DIFF=54Ω, C_L1=C_L2=100pF
per Figure 4, t_SKEW = | t_DPLH - t_DPHL|
Volts
Volts
kΩ
Mbps
ns
ns
ns
–7V ≤ V_CM ≤ +12V
–7V ≤ V_CM ≤ +12V
See Figures 2 & 6
R_DIFF=54Ω, C_L1=C_L2=100pF
R_DIFF=54Ω, C_L1=C_L2=100pF
t_SKEW = | t_PLH – t_PHL |; R_DIFF=54Ω,
C_L1=C_L2=100pF
See Figures 3 & 5
ns
C_L=15pF, S₁ Closed
ns
C_L=15pF, S₂ Closed
See Figures 3 & 5
ns
C_L=15pF, S₁ Closed
ns
C_L=15pF, S₂ Closed
POWER REQUIREMENTS
Supply Voltage V_CC
+4.75
+5.25 Volts
Supply Current I_CC
No Load (T_x Disabled)
10
15
mA
No Load (RS-232 Mode)
15
30
mA
No Load (RS-485 Mode)
7
20
mA
ENVIRONMENTAL
Operating Temperature
Commercial (..C..)
0
Industrial (..E..)
–40
Storage Temperature
–65
+70 °C
+85 °C
+150 °C
SEL_A ➨ SEL_D = "0001"
SEL_A ➨ SEL_D = "0000"
SEL_A ➨ SEL_D = "1100"
Date: 03-04-05
Programmable Dual RS-232/RS-485 Transceiver
3
© Copyright 2005 Sipex Corporation