參數(shù)資料
型號(hào)： SP490ECN-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 8/12頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485 FULL DUPLEX 8NSOIC
標(biāo)準(zhǔn)包裝： 2,500
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS485
電源電壓： 5V
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOICN
包裝： 帶卷 (TR)
其它名稱： SP490ECN-L/TR-ND
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP490E,49E_0_05243
ABSOLUTEMAXIMUMRATINGS
Thesearestressratingsonlyandfunctionaloperationofthedevice
attheseratingsoranyotherabovethoseindicatedintheoperation
sections of the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended periods of time
may affect reliability.
V
CC...................................................................................................+7V
InputVoltages
Logic.................................................-0.5Vto(V
CC+0.5V)
Drivers..............................................-0.5Vto(V
CC+0.5V)
Receivers................................................................±14V
OutputVoltages
Logic................................................-0.5Vto(V
CC+0.5V)
Drivers....................................................................±14V
Receivers.........................................-0.5Vto(V
CC+0.5V)
Storage Temperature.....................................................-65C to +150
Power Dissipation.................................................................1000mW
T
MIN to TMAX and VCC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
SP491EDRIVER
DCCharacteristics
Differential Output Voltage
GND
V
CC
Volts
Unloaded; R = ∞ ; see figure 1
Differential Output Voltage
2
V
CC
Volts
With Load; R = 50; (RS422);
see figure 1
Differential Output Voltage
.5
V
CC
Volts
With Load; R = 27; (RS485);
see figure
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
0.2
Volts
R = 27 or R = 50; see figure 1
Driver Common-Mode
Output Voltage
3
Volts
R = 27 or R = 50; see figure 1
Input High Voltage
2.0
Volts
Applies to D, RE, DE
Input Low Voltage
0.8
Volts
Applies to D, RE, DE
Input Current
±0
A
Applies to D, RE, DE
Driver Short-Circuit Current
V
OUT = HIGH
250
mA
-7V ≤ V
O ≤ 12V
V
OUT = LOW
250
mA
-7V ≤ V
O ≤ 12V
SP491EDRIVER
ACCharacteristics
Maximum Data Rate
0
Mbps
RE = 5V, DE = 5V
Driver Input to Output
30
60
ns
t
PLH; RDIFF = 54, CL = CL2 = 00pF;
see figures 3 and 5
Driver Input to Output
30
60
ns
t
PHL; RDIFF = 54, CL = CL2 = 00pF;
see figures 3 and 5
Driver Skew
5
0
ns
see figures 3 and 5,
t
SKEW = | tDPLH - tDPHL |
Driver Rise or Fall Time
5
40
ns
From 0% to 90%; R
DIFF = 54,
C
L = CL2 = 00pF; see figures 3 and 5
Driver Enable to Output High
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 6; S
2 closed
Driver Enable to Output Low
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 6; S
closed
Driver Disable Time from Low
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 6; S
closed
Driver Disable Time from High
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 6; S
2 closed
ELECTRICALCHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP490ECP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers
SP490ECP-L 功能描述:RS-485接口IC Full Duplex RS-485 s 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
SP490EEN 制造商:Exar Corporation 功能描述:
SP490EEN-L 功能描述:RS-422/RS-485 接口 IC RS485 10000 kbps 5V temp -40C to 85C RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
SP490EEN-L/TR 功能描述:RS-485接口IC Full Duplex RS-485 s 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
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