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SP334 数据表(PDF) 3 Page - Sipex Corporation

部件名 SP334
功能描述  Programmable RS-232/RS-485 Transceiver
PDF  12 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP334 数据表(HTML) 3 Page - Sipex Corporation

  SP334 Datasheet HTML 1Page - Sipex Corporation SP334 Datasheet HTML 2Page - Sipex Corporation SP334 Datasheet HTML 3Page - Sipex Corporation SP334 Datasheet HTML 4Page - Sipex Corporation SP334 Datasheet HTML 5Page - Sipex Corporation SP334 Datasheet HTML 6Page - Sipex Corporation SP334 Datasheet HTML 7Page - Sipex Corporation SP334 Datasheet HTML 8Page - Sipex Corporation SP334 Datasheet HTML 9Page - Sipex Corporation Next Button
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3
SP334DS/10
Programmable RS-232/RS-485 Transceiver
© Copyright 2000 Sipex Corporation
SPECIFICATIONS
Typically 25
°C @ Vcc = +5V unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
RS-485 DRIVER
Balance
±0.2
Volts
|V
T| - |VT|
Common-Mode Output
3.0
Volts
Output Current
28.0
mA
R
L=54Ω
Short Circuit Current
±250
mA
Terminated in –7V to +10V
AC Characteristics
Maximum Data Rate
10
Mbps
R
L=54Ω
Output Transition Time
30
ns
Rise/fall time, 10%–90%
Propagation Delay
See Figures 3A & 5
t
PHL
80
120
ns
R
DIFF=54Ω, CL1=CL2=100pF
t
PLH
80
120
ns
R
DIFF=54Ω, CL1=CL2=100pF
Driver Output Skew
5
20
ns
per figure 5, t
SKEW = |tDPLH - tDPHL|
RS-485 RECEIVER
DC Characteristics
Inputs
Common Mode Range
–7.0
+12.0
Volts
Receiver Sensitivity
±0.2
Volts
–7V
≤ V
CM ≤ +12V
Input Impedance
12
15
k
Ω
–7V
≤ V
CM ≤ +12V
AC Characteristics
Maximum Data Rate
10
Mbps
Propagation Delay
See Figures 3A & 7
t
PHL
130
200
ns
R
DIFF=54Ω, CL1=CL2=100pF
t
PLH
130
200
ns
R
DIFF=54Ω, CL1=CL2=100pF
Differential Receiver Skew
10
20
ns
t
SKEW= | tPLH – tPHL |; RDIFF=54Ω,
C
L1=CL2=100pF, see Figure 8
ENABLE TIMING
RS-485 Driver
Enable Time
See Figures 4 & 6
Enable to Low
100
150
ns
C
L=15pF, S1 Closed
Enable to High
100
150
ns
C
L=15pF, S2 Closed
Disable Time
See Figures 4 & 6
Disable From Low
100
120
ns
C
L=15pF, S1 Closed
Disable From High
100
120
ns
C
L=15pF, S2 Closed
RS-485 Receiver
Enable Time
See Figures 2 & 8
Enable to Low
100
150
ns
C
L=15pF, S1 Closed
Enable to High
100
150
ns
C
L=15pF, S2 Closed
Disable Time
See Figures 2 & 8
Disable From Low
100
120
ns
C
L=15pF, S1 Closed
Disable From High
100
120
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)
12
20
mA
TXEN = 0V
No Load (RS-232 Mode)
20
50
mA
RS232/RS485 = 0V
No Load (RS-485 Mode)
15
50
mA
RS232/RS485 = +5V
ENVIRONMENTAL
Operating Temperature
Commercial (..C..)
0
+70
°C
Industrial (..E..)
–40
+85
°C
Storage Temperature
–65
+150
°C



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