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SP334CT データシートの表示（PDF） - Signal Processing Technologies

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SP334CT
Programmable RS-232/RS-485 Transceiver
Sipex
Signal Processing Technologies 
SP334CT Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SPECIFICATIONS
Typically 25°C @ Vcc = +5V unless otherwise noted.
MIN.
RS-485 DRIVER
Balance
Common-Mode Output
Output Current
28.0
Short Circuit Current
AC Characteristics
Maximum Data Rate
10
Output Transition Time
Propagation Delay
tPHL
tPLH
Driver Output Skew
RS-485 RECEIVER
DC Characteristics
Inputs
Common Mode Range
–7.0
Receiver Sensitivity
Input Impedance
12
AC Characteristics
Maximum Data Rate
10
Propagation Delay
tPHL
tPLH
Differential Receiver Skew
TYP.
MAX.
±0.2
3.0
±250
UNITS
Volts
Volts
mA
mA
Mbps
30
ns
80
120 ns
80
120 ns
5
20
ns
+12.0 Volts
±0.2 Volts
15
kΩ
Mbps
130
200 ns
130
200 ns
10
20
ns
ENABLE TIMING
RS-485 Driver
Enable Time
Enable to Low
Enable to High
Disable Time
Disable From Low
Disable From High
RS-485 Receiver
Enable Time
Enable to Low
Enable to High
Disable Time
Disable From Low
Disable From High
100
150 ns
100
150 ns
100
120 ns
100
120 ns
100
150 ns
100
150 ns
100
120 ns
100
120 ns
POWER REQUIREMENTS
Supply Voltage VCC
+4.75
+5.25 Volts
Supply Current ICC
No Load (Tx Disabled)
12
20
mA
No Load (RS-232 Mode)
20
50
mA
No Load (RS-485 Mode)
15
50
mA
ENVIRONMENTAL
Operating Temperature
Commercial (..C..)
0
Industrial (..E..)
–40
Storage Temperature
–65
+70 °C
+85 °C
+150 °C
CONDITIONS
|VT| - |VT|
RL=54Ω
Terminated in –7V to +10V
RL=54Ω
Rise/fall time, 10%–90%
See Figures 3A & 5
RDIFF=54Ω, CL1=CL2=100pF
RDIFF=54Ω, CL1=CL2=100pF
per figure 5, tSKEW = |tDPLH - tDPHL|
–7V ≤ VCM ≤ +12V
–7V ≤ VCM ≤ +12V
See Figures 3A & 7
RDIFF=54Ω, CL1=CL2=100pF
RDIFF=54Ω, CL1=CL2=100pF
tSKEW= | tPLH – tPHL |; RDIFF=54Ω,
CL1=CL2=100pF, see Figure 8
See Figures 4 & 6
CL=15pF, S1 Closed
CL=15pF, S2 Closed
See Figures 4 & 6
CL=15pF, S1 Closed
CL=15pF, S2 Closed
See Figures 2 & 8
CL=15pF, S1 Closed
CL=15pF, S2 Closed
See Figures 2 & 8
CL=15pF, S1 Closed
CL=15pF, S2 Closed
TXEN = 0V
RS232/RS485 = 0V
RS232/RS485 = +5V
SP334DS/10
Programmable RS-232/RS-485 Transceiver
3
© Copyright 2000 Sipex Corporation

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