參數(shù)資料
型號(hào)： SP1485EEN-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 2/8頁(yè)
文件大小： 0K
描述： IC TXRX RS485 DIFF ESD 8SOIC
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： RS422，RS485
電源電壓： 4.25 V ~ 5.25 V
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)
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP1485EEP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers
SP1485EEP-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP1485EMN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers
SP1485EMN-L 功能描述:RS-485接口IC 20MBPS HALF-DUPLEX RS-485 -40-125C 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
SP1485EMN-L/TR 功能描述:RS-485接口IC 20MBPS HALF-DUPLEX RS-485 -40-125C 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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