參數(shù)資料
型號(hào)： SP3485
英文描述： 3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate(3.3V,低功耗，半雙工RS-485收發(fā)器（數(shù)據(jù)傳輸率10Mbps）)
中文描述： 3.3V低功耗半雙工RS - 485與10Mbps的數(shù)據(jù)速率（3.3，低功耗，半雙工RS - 485接口收發(fā)器（數(shù)據(jù)傳輸率高達(dá)10Mbps）收發(fā)器）
文件頁數(shù)： 5/9頁
文件大?。?/td> 156K
代理商： SP3485
5
SP3481/3485DS/21
SP3481/3485 Low Power Half-Duplex RS485 Transceivers
Copyright 2000 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
C
= 50pF
(NOTE 2)
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3485CN 制造商:Exar Corporation 功能描述: 制造商:Exar Corporation 功能描述:Line Transceiver, 1-Driver, 1-Receiver, 8 Pin, Plastic, SOP
SP3485CN-L 功能描述:RS-485接口IC RS485 10000 kbp 3.3V temp 0C to 70C 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP3485CN-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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP3485CP 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
SP3485EN 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
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