參數(shù)資料
型號: SP3493
英文描述: 3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers(3.3V,低功耗,轉(zhuǎn)換速率限制,全雙工RS-485/RS-422收發(fā)器)
中文描述: 3.3V低功耗轉(zhuǎn)換率受限的RS-485/RS-422收發(fā)器(3.3V,低功耗,轉(zhuǎn)換速率限制,全雙工的RS-485/RS-422收發(fā)器)
文件頁數(shù): 7/11頁
文件大?。?/td> 171K
代理商: SP3493
7
SP3493/3494DS/03 SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 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
Table 2. Receive Function Truth Table
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
Figure 1. Driver DC Test Load 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
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
Figure 2. Driver Propagation Delay Test Circuit
Figure 6. Receiver Propagation Delay Test Circuit
Figure 4. Driver Enable and Disable Timing Circuit,
output HiGH
相關(guān)PDF資料
PDF描述
SP3494 +3.3V Low Power RS-485/RS-422 Transceivers
SP3494CN +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SP3494CP +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SP3494EN +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SP3494EP +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3493CN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SP3493CP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers
SP3493EN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
SP3493EP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers
SP3494 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers