參數(shù)資料
型號: SP3481
元件分類: 數(shù)字電位計
英文描述: Cermet Potentiometer; Resistance Max:10kohm; Resistance Tolerance:+/- 10 %; Power Rating:1W; Voltage Rating:350V; Series:149; Temperature Coefficient:+/-150 ppm; Resistor Element Material:Cermet; Leaded Process Compatible:Yes
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: SP3481
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
SP3481CN +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3481CP +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3481EN +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3481CN 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
SP3481CN-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP3481CN-L/TR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP3481CP 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
SP3481EN 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