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參數(shù)資料
| 型號(hào)： | SP3485EP |
| 英文描述： | +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate |
| 中文描述： | 3.3V低功耗半雙工RS - 485收發(fā)器數(shù)據(jù)速率高達(dá)10Mbps |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大?。?/td> | 125K |
| 代理商： | SP3485EP |
5
10/15/02
SP3481/3485 Low Power Half-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
INPUTS
OUTPUTS
LINE
RE
X
X
X
DE
1
1
0
DI CONDITION
1
No Fault
0
No Fault
X
B
0
1
Z
A
1
0
Z
X
INPUTS
RE
0
0
0
1
OUTPUTS
R
1
0
1
Z
DE
0
0
0
0
A - B
+0.2V
-0.2V
Inputs Open
X
Table 1. Transmit Function Truth Table
Table 2. Receive Function Truth Table
Figure 2. Driver Propagation Delay Test Circuit
Figure 4. Driver Enable and Disable Timing Circuit,
Output HIGH
Figure 1. Driver DC Test Load Circuit
Figure 6. Receiver Propagation Delay Test Circuit
Figure 7. Receiver Enable and Disable Timing Circuit
R
R
V
OC
D
V
CC
V
OD
GENERATOR
50
V
CC
S1
V
DM
R
L
= 27
OUT
L
= 15pF
C
V
OM
= V
OH
+ V
OL
D
GENERATOR
(NOTE 1)
50
S1
R
L
= 110
OUT
L
= 50pF
C
V
OM
= V
OH
+ V
OL
D
GENERATOR
50
S1
R
L
= 110
OUT
L
= 50pF
C
D
0V OR 3V
V
CC
GENERATOR
50
1.5V
0V
V
ID
R
OUT
L
= 15pF
C
OM
= V
CC
V
1.5V
-1.5V
S3
V
ID
GENERATOR
50
L
= 15pF
C
R
1k
S1
S2
V
CC
Figure 5. Driver Enable and Disable Timing Circuit,
Output LOW
GENERATOR
50
C
L
OUT
D
V
CC
R
L
=
60
C
L
= 15pF (NOTE 2)
Figure 3. Driver Differential Output Delay and Transition
Time Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP3487 | +3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486CT | +3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486EP | +3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486ET | +3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3487CP | +3.3V Low Power Quad RS-485/RS-422 Line Drivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3486 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486CP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486CT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486EP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486ET | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
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