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)： 2/11頁
文件大?。?/td> 141K
代理商： SP3491
SP3490/3491DS/23 SP3490/3491 Low Power Full-Duplex RS485 Transceivers Copyright 1997 Sipex Corporation
2
SPECIFICATIONS
T
AMB
= T
MIN
to T
MAX
and V
CC
= 3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3490 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
W
ith 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
2.0
0.8
+10
+250
+250
mA
mA
-7V < V
O
< +12V
-7V < V
O
< +12V
SP3490 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output, t
PLH
10
20
Mbps
ns
40
60
R=27
, Figures 2 and 8
Driver Input to Output, t
PHL
20
40
60
ns
R=27
, Figures 2 and 8
Differential Driver Skew
2
ns
t
(Y) - t
(Y) , t
PHL
(Z) - t
PLH
(Z) ,
Figures 2 and 8
From 10% to 90%;
Figures 3 and 9
Driver Rise or Fall Time
5
20
ns
SP3490
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Input Resistance
Input Current (A, B); V
IN
= 12V
Input Current (A, B); V
IN
= -7V
Short-Circuit Current
0.2
+0.2
Volts
mV
Volts
Volts
k
mA
mA
mA
-7V < V
CM
< 12V
V
CM
= 0V
I
O
ID
= +200mV
I
= +2.5mA, V
ID
= -200mV
-7V < V
≤
12V
V
IN
= 12V
V
= -7V
0V < V
O
< V
CC
25
V
CC
-0.4
0.4
12
15
1.0
-0.8
60
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
V
............................................................................................................................+7V
Input Voltages
Drivers................................................-0.5V to (V
+0.5V)
Receivers..................................................................
±
14V
Output Voltages
Drivers......................................................................
±
14V
Receivers...........................................-0.5V to (V
+0.5V)
Storage Temperature....................................................-65C to +150
Power Dissipation per Package
8-pin NSOIC (derate 6.90mW/
o
C above +70
o
C)..........................600mW
8-pin PDIP (derate 11.8mW/
o
C above +70
o
C)...........................1000mW
14-pin NSOIC (derate 8.33mW/
o
C above +70
o
C)..........................700mW
14-pin PDIP (derate 14.3mW/
o
C above +70
o
C)............................1200mW
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
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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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