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| 型号： | SP1481ECN-L |
| 厂商： | Exar Corporation |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 DIFF ESD 8SOIC |
| 标准包装： | 98 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 4.25 V ~ 5.25 V |
| 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： | 管件 |
| 其它名称： | 1016-1492-5 SP1481ECN-L-ND |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP48E-485E_03_05243
2
ABsoLUte MAXiMUM rAtinGs
Thesearestressratingsonlyandfunctionaloperationofthedeviceat
theseratingsoranyotherabovethoseindicatedintheoperationsections
ofthespecificationsbelowisnotimplied.Exposuretoabsolutemaximum
ratingconditionsforextendedperiodsoftimemayaffectreliability.
V
CC..............................................................................+7V
InputVoltages
Logic...................................................-0.3Vto(V
CC+0.5V)
Drivers................................................-0.3Vto(V
CC+0.5V)
Receivers.................................................................±15V
eLectricAL cHArActeristics
T
MINto TMAXandVCC=5V±5%unlessotherwisenoted.
pArAMeters
Min.
tYp.
MAX.
Units
conditions
sp1481e/sp1485e driver
dc characteristics
DifferentialOutputVoltage
3.5
V
CC
Volts
Unloaded;R=∞;seeFigure1
DifferentialOutputVoltage
2
V
CC
Volts
withload;R=50;(RS-422);
seeFigure1
DifferentialOutputVoltage
1.5
V
CC
Volts
withload;R=27;(RS-485);seeFigure1
ChangeinMagnitudeofDriver
DifferentialOutputVoltagefor
ComplimentaryStates
0.2
Volts
R=27orR=50;seeFigure1
DriverCommon-Mode
OutputVoltage
3
Volts
R=27orR=50;seeFigure1
InputHighVoltage
2.0
Volts
AppliestoDE,DI,RE
InputLowVoltage
0.8
Volts
AppliestoDE,DI,RE
InputCurrent
±10
μA
AppliestoDE,DI,RE
DriverShort-CircuitCurrent
V
OUT=HIGH
±250
mA
-7V≤V
O≤+12V
V
OUT=LOW
±250
mA
-7V≤V
O≤+12V
sp1481e/sp1485e driver
Ac characteristics
MaximumDataRate
20
Mbps
RE=5V,DE=5V;R
DIFF=54,
C
L1 = CL2 = 00pF
DriverInputtoOutput
20
30
ns
t
PLH;RDIFF=54,CL1 = CL2=100pF;
seeFigures3and5
DriverInputtoOutput
20
40
ns
t
PLH;RDIFF=54,CLI= CL2=100pF;
(SP1485EMNONLY)
SeeFigures3and5
DriverInputtoOutput
20
30
ns
t
PHL;RDIFF=54,CL1 = CL2=100pF;
seeFigures3and5
DriverInputtoOutput
20
40
ns
t
PHL;RDIFF=54,CL1 = CL2=100pF;
(SP1485EMNONLY)
seeFigures3and5
DriverSkew
3
5
ns
seeFigures3and5,
t
SKEW = | tPLH - tPHL |
DriverRiseorFallTime
8
20
ns
From10%to90%;R
DIFF=54,
C
L1 = CL2=100pF;seeFigures3&6
DriverEnabletoOutputHigh
40
70
ns
C
L=100pF;seeFigures4&6;S2closed
DriverEnabletoOutputLow
40
70
ns
C
L=100pF;seeFigures4&6;Sclosed
DriverDisableTimefromLow
40
70
ns
C
L=100pF;seeFigures4&6;Sclosed
DriverDisableTimefromHigh
40
70
ns
C
L=100pF;seeFigures4&6;S2 closed
OutputVoltages
Logic.............................................-0.3Vto(V
CC+0.5V)
Drivers................................................................±15V
Receivers......................................-0.3Vto(V
CC+0.5V)
StorageTemperature.....................................................-65Cto+150C
PowerDissipationperPackage
8-pinNSOIC(derate6.60mW/oCabove+70oC).........................550mW
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP1481ECN-L/TR | 功能描述:RS-422/RS-485 接口 IC 20MBPS HALF-DUPLEX +/-15KV ESD 0-70C RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| SP1481ECP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:【15kV Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1481EEN | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:【15kV Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1481EEN-L | 功能描述:RS-485接口IC RS485 w/shutdown temp -40C to 85C 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 |
| SP1481EEN-L/TR | 功能描述:RS-422/RS-485 接口 IC 20MBPS HALF-DUPLEX +/-15KV ESD -40-85C RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
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