參數(shù)資料
型號(hào)： SP3491
英文描述： 3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate(3.3V,低功耗，全雙工RS-485收發(fā)器（數(shù)據(jù)傳輸率10Mbps）)
中文描述： 3.3V低功耗全雙工RS - 485接口與高達(dá)10Mbps的數(shù)據(jù)速率（3.3，低功耗，全雙工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)： 3/11頁
文件大?。?/td> 141K
代理商： SP3491
3
SP3490/3491DS/23 SP3490/3491 Low Power Full-Duplex RS485 Transceivers Copyright 1997 Sipex Corporation
SPECIFICATIONS
(continued)
T
AMB
= T
MIN
to T
MAX
and V
CC
= 3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3490 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
PLH
MIN.
TYP.
MAX.
UNITS
CONDITIONS
10
40
Mbps
ns
ns
70
120
85
Figures 6 and 11
T
AMB
= 25
o
C, V
CC
= 3.3V, Figures 6 and 11
Receiver Input to Output, t
PHL
40
70
120
85
ns
ns
Figures 6 and 11
T
AMB
= 25
o
C, V
CC
= 3.3V, Figures 6 and 11
Differential Receiver Skew
4
ns
t
(A) - t
(A) , t
PHL
(B) - t
PLH
(B) ,
Figures 6 and 11
POWER REQUIREMENTS
Supply Voltage
Supply Current
+3.0
+3.6
2000
1500
Volts
μ
A
1000
800
DE = V
CC
DE = 0
Figure 4. Driver Enable and Disable Timing Circuit,
Output HIGH
Figure 5. Driver Enable and Disable Timing Circuit,
Output LOW
Figure 1. Driver DC Test Load Circuit
Figure 2. Driver Propagation Delay Test Circuit
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
R
R
V
OC
D
V
CC
V
OD
Figure 6. Receiver Propagation Delay Test Circuit
GENERATOR
50
1.5V
0V
V
ID
R
OUT
C
= 15pF
(NOTE 2)
OM
= V
CC
V
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
SP3493 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)
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3491CN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3491CN-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
SP3491CN-L 制造商:Exar Corporation 功能描述:IC RS485 TRANSCEIVER 10MBPS 3.6V NSOIC14
SP3491CN-L/TR 功能描述:RS-485接口IC 3.3V LoPwr Full-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
SP3491CP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
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