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參數(shù)資料
| 型號： | SP334ET |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 155K |
| 代理商： | SP334ET |
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
Common-Mode Output
Output Current
Short Circuit Current
±
0.2
3.0
Volts
Volts
mA
mA
|V
T
| - |V
T
|
28.0
R
=54
Terminated in –7V to +10V
±
250
AC Characteristics
Maximum Data Rate
Output Transition Time
Propagation Delay
t
PHL
t
Driver Output Skew
RS-485 RECEIVER
DC Characteristics
Inputs
Common Mode Range
Receiver Sensitivity
Input Impedance
10
Mbps
ns
R
=54
Rise/fall time, 10%–90%
See Figures 3A & 5
R
DIFF
=54
, C
L1
=C
L2
=100pF
R
=54
, C
L1
=C
=100pF
per figure 5, t
SKEW
= |t
DPLH
- t
DPHL
|
30
80
80
5
120
120
20
ns
ns
ns
–7.0
+12.0
±
0.2
Volts
Volts
k
–7V
≤
V
CM
≤
+12V
–7V
≤
V
CM
≤
+12V
12
15
AC Characteristics
Maximum Data Rate
Propagation Delay
t
PHL
t
Differential Receiver Skew
10
Mbps
See Figures 3A & 7
R
DIFF
=54
, C
L1
=C
L2
=100pF
R
DIFF
=54
, C
L1
=C
L2
=100pF
t
SKEW
= | t
– t
|; R
=54
,
C
L1
L2
=100pF, see Figure 8
130
130
10
200
200
20
ns
ns
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
See Figures 4 & 6
C
L
=15pF, S
1
Closed
C
=15pF, S
Closed
See Figures 4 & 6
C
L
=15pF, S
1
Closed
C
L
=15pF, S
2
Closed
100
100
150
150
ns
ns
100
100
120
120
ns
ns
See Figures 2 & 8
C
L
=15pF, S
1
Closed
C
=15pF, S
Closed
See Figures 2 & 8
C
L
=15pF, S
1
Closed
C
L
=15pF, S
2
Closed
100
100
150
150
ns
ns
100
100
120
120
ns
ns
POWER REQUIREMENTS
Supply Voltage V
CC
Supply Current I
No Load (T
Disabled)
No Load (RS-232 Mode)
No Load (RS-485 Mode)
+4.75
+5.25
Volts
12
20
15
20
50
50
mA
mA
mA
TXEN = 0V
RS232/RS485 = 0V
RS232/RS485 = +5V
ENVIRONMENTAL
Operating Temperature
Commercial (..C..)
Industrial (..E..)
Storage Temperature
0
+70
+85
+150
°
C
°
C
°
C
–40
–65
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|---|---|
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