參數(shù)資料
型號(hào): SP3481EN
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: SP3481EN
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
SP3481EP +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3485CN +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3481EN-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP3481EP 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
SP3481EP-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP3483 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver
SP3483_04 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver