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參數(shù)資料
| 型號： | 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10Mbps）收發(fā)器） |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 141K |
| 代理商： | SP3491 |
5
SP3490/3491DS/23 SP3490/3491 Low Power Full-Duplex RS485 Transceivers Copyright 1997 Sipex Corporation
SPECIFICATIONS
T
AMB
= T
MIN
to T
MAX
and V
CC
= +3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3491 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
MIN.
TYP.
MAX.
UNITS
CONDITIONS
GND
2
V
CC
V
CC
Volts
Volts
Unloaded; R =
∞
; Figure 1
With Load; R = 50
; (RS-422);
Figure 1
With Load; R = 27
; (RS-485);
Figure 1
Differential Output Voltage
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
Driver Common-Mode
Output Voltage
Input HIGH Voltage
Input LOW Voltage
Input Current
Driver Short-Circuit Current
V
OUT
= HIGH
V
OUT
= LOW
1.5
V
CC
Volts
0.2
Volts
R = 27
or R = 50
; Figure 1
3
Volts
Volts
Volts
μ
A
R = 27
or R = 50
; Figure 1
Applies to D, REB, DE
Applies to D, REB, DE
Applies to D, REB, DE
2.0
0.8
+10
+250
+250
mA
mA
-7V < V
O
< +12V
-7V < V
O
< +12V
SP3491 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output, t
PLH
10
20
Mbps
ns
40
60
Figures 2 and 8
Driver Input to Output, t
PHL
20
40
60
ns
Figures 2 and 8
Differential Driver Skew
2
ns
t
(Y) - t
(Y) , t
PHL
(Z) - t
PLH
(Z) ,
Figures 2 and 8
Driver Rise or Fall Time
5
20
ns
From 10% to 90%;
Figures 3 and 9
Driver Enable to Output HIGH
52
120
ns
Figures 4 and 10
Driver Enable to Output LOW
60
120
ns
Figures 5 and 10
Driver Disable from LOW
40
120
ns
Figures 5 and 10
Driver Disable from HIGH
60
120
ns
Figures 4 and 10
NOTE 1:
The input pulse is supplied by a generator with the following characteristics:
PRR=250KHz, 50% duty cycle, t
r
< 6.0ns, Z
0
=50
.
NOTE 2:
C
L
includes probe and stray capacitance.
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| SP3494 | +3.3V Low Power RS-485/RS-422 Transceivers |
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| 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 |
相關代理商/技術參數(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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