參數(shù)資料
型號： SP3485EN
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10Mbps
文件頁數(shù)： 5/9頁
文件大小： 125K
代理商： SP3485EN
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
SP3485EP +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3485EN-L 功能描述:RS-485接口IC RS485 10000 kbp 3.3V temp -40C to 85C RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP3485EN-L/TR 功能描述:RS-485接口IC 3.3V LoPwr Half-Dup RS485w/10Mbps Data RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP3485EP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
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
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