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参数资料
| 型号： | SP490EEN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 FULL DUPLEX 8NSOIC |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
| 其它名称： | SP490EEN-L/TR-ND |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP490E,49E_0_05243
ABSOLUTEMAXIMUMRATINGS
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
CC....................................................................................................+7V
Input Voltages
Drivers................................................-0.5V to (V
CC+0.5V)
Receivers..................................................................±4V
Output Voltages
Drivers......................................................................±4V
Receivers...........................................-0.5V to (V
CC+0.5V)
Storage Temperature....................................................-65C to +150
Power Dissipation.....................................................................000mW
PARAMETERSMIN.TYP. MAX.UNITS CONDITIONS
SP490EDRIVER
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 1
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
Input Low Voltage
0.8
Volts
Applies to D
Input Current
±0
A
Applies to D
Driver Short-Circuit Current
V
OUT = HIGH
250
mA
-7V ≤ V
O ≤ +12V
V
OUT = LOW
250
mA
-7V ≤ V
O ≤ +12V
SP490EDRIVER
ACCharacteristics
Maximum Data Rate
0
Mbps
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
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
SP490ERECEIVER
DCCharacteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V ≤ V
CM ≤ 12V
Input Hysteresis
70
mV
V
CM = 0V
Output Voltage High
3.5
Volts
I
O = -4mA, VID = +200mV
Output Voltage Low
0.4
Volts
I
O = +4mA, VID = -200mV
Input Resistance
12
15
k
-7V ≤ V
CM ≤ 12V
Input Current (A, B); V
IN = 2V
±.0
mA
V
IN = 2V
Input Current (A, B); V
IN = -7V
-0.8
mA
V
IN = -7V
Short-Circuit Current
85
mA
0V ≤ V
O ≤ VCC
ELECTRICALCHARACTERISTICS
T
MINtoTMAXandVCC=5V±5%unlessotherwisenoted.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP490EEP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers |
| SP490EEP-L | 功能描述:RS-485接口IC Full Duplex RS-485 s RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| SP490EEP-L | 制造商:Exar Corporation 功能描述:TRANSCEIVER, RS485, 10MBPS, 5V, DIP-8; Device Type:RS485 Transceiver; IC Interface Type:RS485; No. of Drivers:1; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Driver Case Style:DIP; No. of Pins:8; Operating Temperature Max:85C;RoHS Compliant: No |
| SP490EN | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP490EN/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
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