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1、 2006 Fairchild Semiconductor Corporation 1 March 2006NC7SB3157,FSA3157 Rev.1.0.1 NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch NC7SB3157,FSA3157Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus Switch General Description The NC7SB3157
2、 or FSA3157 is a high performance,sin-gle-pole/double-throw(SPDT)Analog Switch or 2:1 Mul-tiplexer/Demultiplexer Bus Switch.The device isfabricated with advanced sub-micron CMOS technologyto achieve high speed enable and disable times and lowOn Resistance.The break before make select circuitrypreven
3、ts disruption of signals on the B Port due to bothswitches temporarily being enabled during select pinswitching.The device is specified to operate over the1.65 to 5.5V V CC operating range.The control input toler-ates voltages up to 5.5V independent of the V CC operat-ing range.Features Useful in bo
4、th analog and digital applications Space saving SC70 6-lead surface mount package Ultra small MicroPak Pb-Free leadless package Low On Resistance;10 on typ 3.3V V CC Broad V CC operating range;1.65V to 5.5V Rail-to-Rail signal handling Power down high impedance control input Overvoltage tolerance of
5、 control input to 7.0V Break before make enable circuitry 250 MHz,3dB bandwidth Ordering Information Pb-Free package per JEDEC J-STD-020B.Note:1.“_NL”indicates Pb-Free package(per JEDEC J-STD-020B).Device available in Tape and Reel only.MicroPak is a trademark of Fairchild Semiconductor Corporation.
6、Order NumberPackage NumberProduct CodeTop MarkPackage DescriptionSupplied As NC7SB3157P6XMAA06AB7A6-Lead SC70,EIAJ SC88,1.25mm Wide3k Units on Tape and ReelNC7SB3157P6X_NL 1 MAA06AB7APb-Free 6-Lead SC70,EIAJ SC88,1.25mm Wide3k Units on Tape and ReelNC7SB3157L6XMAC06ABBPb-Free 6-Lead MicroPak,1.0mm W
7、ide5k Units on Tape and ReelFSA3157P6XMAA06AB7A6-Lead SC70,EIAJ SC88,1.25mm Wide3k Units on Tape and ReelFSA3157P6X_NL 1 MAA06AB7APb-Free 6-Lead SC70,EIAJ SC88,1.25mm Wide3k Units on Tape and ReelFSA3157L6XMAC06ABBPb-Free 6-Lead MicroPak,1.0mm Wide5k Units on Tape and Reel 2 NC7SB3157,FSA3157 Rev.1.
8、0.1 NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchLogic SymbolAnalog SymbolFunction Table H=HIGH Logic LevelL=LOW Logic Level Pin DescriptionsConnection Diagrams AAA=Product Code Top Mark,see Ordering Information.Note:Orientation of Top Mark determines P
9、in One location.Read the top product code mark left to right,Pin One is the lower left pin(see diagram).Input(S)Function LB 0 Connected to AHB 1 Connected to A Pin NamesDescription A,B 0,B 1 Data PortsSControl InputB1AB0SB1B0GNDSVCCA110B12GND3654B0SVCCAAAAPin Assignments for SC70Pin One Orientation
10、Diagram(Top View)(Top View)Pin One123465SVCCAB1GNDB0Pad Assignments for MicroPak(Top Through View)3 NC7SB3157,FSA3157 Rev.1.0.1 NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchAbsolute Maximum Ratings The“Absolute Maximum Ratings”are those values beyond wh
11、ich the safety of the device cannot be guaranteed.The device should not be operated at these limits.The parametric values defined in the Electrical Characteristicstables are not guaranteed at the absolute maximum ratings.The“Recommended Operating Conditions”table willdefine the conditions for actual
12、 device operation.)Recommended Operating Conditions 3 Notes:2.The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed.3.Control input must be held HIGH or LOW,it must not float.Symbol Parameter Rating V CC Supply Voltage()0.5V to+7.0VV
13、 S DC Switch Voltage 2 0.5V to V CC +0.5VV IN DC Input Voltage 2 0.5V to+7.0VI IK DC Input Diode Current (I IK)V IN 0V50 mAI OUT DC Output Current 128 mAI CC/I GND DC V CC or Ground Current100 mAT STG Storage Temperature Range65C to+150CT J Junction Temperature under Bias150CT L Junction Lead Temper
14、ature(Soldering,10 seconds)260CP D Power Dissipation +85C180 mWESD,Human Body Model4000V Symbol Parameter Rating V CC Supply Voltage Operating1.65V to 5.5VV IN Control Input Voltage0V to V CC V IN Switch Input Voltage0V to V CC V OUT Output Voltage0V to V CC T A Operating Temperature40C to+85Ct r,t
15、f Input Rise and Fall TimeControl Input V CC =2.3V3.6V0 ns/V to 10 ns/VControl Input V CC =4.5V5.5V0 ns/V to 5 ns/V JA Thermal Resistance350C/W 4 NC7SB3157,FSA3157 Rev.1.0.1 NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchDC Electrical Characteristics Note
16、s:4.Measured by the voltage drop between A and B pins at the indicated current through the switch.On Resistance isdetermined by the lower of the voltages on the two(A or B Ports).5.Parameter is characterized but not tested in production.6.R ON =R ON max R ON min measured at identical V CC,temperatur
17、e and voltage levels.7.Flatness is defined as the difference between the maximum and minimum value of On Resistance over the specifiedrange of conditions.8.Guaranteed by Design.SymbolParameterConditionsV CC (V)T A =+25CT A =40C to+85CUnitsMinTypMaxMinMax V IH HIGH Level 1.65 1.950.75 V CC 0.75 V CC
18、VInput Voltage2.3 5.50.7 V CC 0.7 V CC V IL LOW Level1.65 1.950.25 V CC 0.25 V CC VInput Voltage2.3 5.50.3 V CC 0.3 V CC I IN Input Leakage Current0 V IN 5.5V0 5.50.050.11AI OFF OFF State Leakage Current0 A,B V CC 1.65 5.50.050.11AR ON Switch On Resistance 4 V IN =0V,I O =30 mA4.53.07.07.0 V IN =2.4
19、V,I O =30 mA5.012.012.0 V IN =4.5V,I O =30 mA7.015.015.0 V IN =0V,I O =24 mA3.04.09.09.0 V IN =3V,I O =24 mA10.020.020.0 V IN =0V,I O =8 mA2.35.012.012.0 V IN =2.3V,I O =8 mA13.030.030.0 V IN =0V,I O =4 mA1.656.520.020.0 V IN =1.65V,I O =4 mA17.050.050.0 I CC Quiescent Supply Current All Channels ON
20、 or OFFVIN=VCC or GNDIOUT=05.5110AAnalog Signal RangeVCC0VCC0VCCVRRANGEOn ResistanceOver Signal Range4,8IA=30 mA,0 VBn VCC4.525.0IA=24 mA,0 VBn VCC3.050.0IA=8 mA,0 VBn VCC2.3100IA=4 mA,0 VBn VCC1.65300RONOn Resistance Match Between Channels4,5,6IA=30 mA,VBn=3.154.50.15IA=24 mA,VBn 2.13.00.2IA=8 mA,V
21、Bn=1.62.30.5IA=4 mA,VBn=1.151.650.5RflatOn Resistance Flatness4,5,7IA=30 mA,0 VBn VCC5.06.0IA=24 mA,0 VBn VCC3.312.0IA=8 mA,0 VBn VCC2.528.0IA=4 mA,0 VBn VCCNC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchAC Electrical Characteri
22、sticsCapacitance12Notes:9.Guaranteed by Design.10.This parameter is guaranteed by design but not tested.The bus switch contributes no propagation delay other than theRC delay of the On Resistance of the switch and the 50 pF load capacitance,when driven by an ideal voltage source(zero output impedanc
23、e).11.Off Isolation=20 log10 VA/VBn12.TA=+25C,f=1 MHz,Capacitance is characterized but not tested in production.SymbolParameterConditionsVCC(V)TA=+25CTA=40C to+85CUnitsFigureNumberMinTypMaxMinMaxtPHL,tPLHPropagation DelayBus to Bus10VI=OPEN1.65 1.953.53.5nsFigure 7Figure 82.3 2.71.21.23.0 3.60.80.84
24、.5 5.50.30.3tPZL,tPZHOutput Enable TimeTurn on Time(A to Bn)VI=2 x VCC for tPZLVI=0V for tPZH1.65 1.957.023.07.024.0nsFigure 7Figure 82.3 2.73.513.03.514.03.0 3.62.56.92.57.64.5 5.51.75.21.75.7tPLZ,tPHZOutput Disable TimeTurn Off Time(A Port to B Port)VI=2 x VCC for tPLZVI=0V for tPHZ1.65 1.953.012.
25、53.013.0nsFigure 7Figure 82.3 2.72.07.02.07.53.0 3.61.55.01.55.34.5 5.50.83.50.83.8tB-MBreak Before Make Time91.65 1.950.50.5nsFigure 92.3 2.70.50.53.0 3.60.50.54.5 5.50.50.5QCharge Injection9CL=0.1 nF,VGEN=0V,5.07.0pCFigure 10RGEN=03.33.0OIRROff Isolation11RL=50,f=10MHz1.65 5.557.0dBFigure 11XtalkC
26、rosstalkRL=50,f=10MHz1.65 5.554.0dBFigure 12BW3dB BandwidthRL=501.65 5.5250MHzFigure 15THDTotal Harmonic Distortion9RL=600,0.5 VP-P,f=600 Hz to 20 KHz5.0.011%SymbolParameterTypMaxUnitsConditionsFigure NumberCINControl Pin Input Capacitance2.3pFVCC=0VCIO-BB Port Off Capacitance6.5pFVCC=5.0VFigure 13C
27、IOA-ONA Port Capacitance When Switch Is Enabled18.5pFVCC=5.0VFigure NC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchTypical CharacteristicsFigure 1.Off Isolation,VCC=1.65VFigure 2.Off Isolation,VCC=5.5VFigure 3.Crosstalk,VCC=1.65
28、VFigure 4.Crosstalk,VCC=5.5VFigure 5.Bandwidth,VCC=1.65VFigure 6.Bandwidth,VCC=5.5V1101001000Frequency(MHz)-120-110-100-90-80-70-60-50-40-30-20-100Off Isolation(dB)VCC=1.65V1101001000Frequency(MHz)-120-110-100-90-80-70-60-50-40-30-20-100Off Isolation(dB)VCC=5.5V1101001000Frequency(MHz)-120-110-100-9
29、0-80-70-60-50-40-30-20-100Crosstalk(dB)1101001000Frequency(MHz)-120-110-100-90-80-70-60-50-40-30-20-100Crosstalk(dB)VCC=5.5VVCC=1.65V1101001000Frequency(MHz)0-1-2-3-4-5-6-7-8Gain(dB)CL=0pFVCC=1.65V1101001000Frequency(MHz)0-1-2-3-4-5-6-7-8Gain(dB)CL=0pFVCC=5.5VNC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA
30、3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchAC Loading and WaveformsFigure 7.AC Test CircuitFigure 8.AC WaveformsFigure 9.Break Before Make Interval Timing VIRURDFROMOUTPUTUNDERTESTCLNotes:Input driven by 50 source terminated in 50CL includes load and stray capacit
31、anceInput PRR =1.0 MHz;tW=500 nstr=2.5nstr=2.5nstr=2.5nstr=2.5nstWtPLHtPHLtPZLtPZHtPHZtPLZVCCVCCVTRIVTRIVOHVOLVOL+0.3VVOLVOH0.3VVOHGNDGND50%50%OutputOutputOutput90%90%90%90%50%10%10%10%10%50%50%50%50%50%SwitchInputControlInputVINVOUTVOUT0.9 x VOUTRLCLtDB0B1SALogicInputLogicINC7SB3157,FSA3157 Rev.1.0
32、.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchFigure 10.Charge Injection TestRGENVGEVOUTVOUTVOUTOFFOFFONQ=(VOUT)(CL)RL1M100pFCLBNSALogicInputLogicInputFigure 11.Off IsolationFigure 12.Crosstalk10nFVCCGNDLogic Input0V or VIHSABN5050Analyzer10nFVCCGNDSig
33、nalGenerator0dBmSAB1B05050AnalyzerFigure 13.Channel Off CapacitanceFigure 14.Channel On Capacitance10nFVCCGNDLogic Input0V or VCCSABNCapacitanceMeterf=1MHz10nFVCCGNDLogic Input0V or VCCSABNCapacitanceMeterf=1MHzFigure 15.Bandwidth10nFVCCGNDSignalGenerator0dBmLogic Input0V or VCCSABNNC7SB3157,FSA3157
34、 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchTape and Reel SpecificationTape Format for SC70Tape Dimensions inches(millimeters)PackageDesignatorTapeSectionNumberCavitiesCavityStatusCover TapeStatusP6XLeader(Start End)125(typ)EmptySealedCarrier
35、3000FilledSealedTrailer(Hub End)75(typ)EmptySealedPackageTape SizeDIM ADIM BDIM FDIM KoDIM P1DIM WSC70-68 mm0.093(2.35)0.096(2.45)0.138 0.004(3.5 0.10)0.053 0.004(1.35 0.10)0.157(4)0.315 0.004(8 0.1)NC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demult
36、iplexer Bus SwitchTape Format for MicroPakTape Dimensions inches(millimeters)PackageDesignatorTapeSectionNumberCavitiesCavityStatusCover TapeStatusL6XLeader(Start End)125(typ)EmptySealedCarrier5000FilledSealedTrailer(Hub End)75(typ)EmptySNC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT
37、Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchReel Dimensions inches(millimeters)Tape SizeABCDNW1W2W38 mm7.0(177.8)0.059(1.50)0.512(13.00)0.795(20.20)2.165(55.00)0.331+0.059/0.000(8.40+1.50/0.00)0.567(14.40)W1+0.078/0.039(W1+2.00/1.00)NC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Volta
38、ge SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchPhysical Dimensions inches(millimeters)unless otherwise noted6-Lead SC70,EIAJ SC88,1.25mm WidePackage Number MAA06ANC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchP
39、b-Free 6-Lead MicroPak,1.0mm WidePackage Number MAC06ANC7SB3157,FSA3157 Rev.1.0.1NC7SB3157,FSA3157 Low Voltage SPDT Analog Switch or 2:1 Multiplexer/Demultiplexer Bus SwitchDISCLAIMERFAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANYPRODUCTS HEREIN TO IMPROVE RE
40、LIABILITY,FUNCTION OR DESIGN.FAIRCHILD DOES NOT ASSUME ANY LIABILITYARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;NEITHER DOES ITCONVEY ANY LICENSE UNDER ITS PATENT RIGHTS,NOR THE RIGHTS OF OTHERS.TRADEMARKSThe following are registered and unregistered trademarks F
41、airchild Semiconductor owns or is authorized to use and isnot intended to be an exhaustive list of all such trademarks.LIFE SUPPORT POLICYFAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORTDEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICOND
42、UCTOR CORPORATION.As used herein:1.Life support devices or systems are devices orsystems which,(a)are intended for surgical implant intothe body,or(b)support or sustain life,or(c)whosefailure to perform when properly used in accordancewith instructions for use provided in the labeling,can bereasonab
43、ly expected to result in significant injury to theuser.2.A critical component is any component of a lifesupport device or system whose failure to perform canbe reasonably expected to cause the failure of the lifesupport device or system,or to affect its safety oreffectiveness.PRODUCT STATUS DEFINITI
44、ONSDefinition of TermsDatasheet IdentificationProduct StatusDefinitionAdvance InformationPreliminaryNo Identification NeededObsoleteThis datasheet contains the design specifications forproduct development.Specifications may change inany manner without notice.This datasheet contains preliminary data,
45、andsupplementary data will be published at a later date.Fairchild Semiconductor reserves the right to makechanges at any time without notice in order to improvedesign.This datasheet contains final specifications.FairchildSemiconductor reserves the right to make changes atany time without notice in o
46、rder to improve design.This datasheet contains specifications on a productthat has been discontinued by Fairchild semiconductor.The datasheet is printed for reference information only.Formative orIn DesignFirst ProductionFull ProductionNot In ProductionISOPLANAR LittleFETMICROCOUPLERMicroFETMicroPak
47、MICROWIREMSXMSXProOCXOCXProOPTOLOGICOPTOPLANARPACMANPOPPower247PowerEdgeFASTFASTr FPSFRFETGlobalOptoisolatorGTOHiSeCI2Ci-LoImpliedDisconnectIntelliMAXRev.I18ACExActiveArrayBottomlessBuild it NowCoolFETCROSSVOLTDOMEEcoSPARKE2CMOSEnSignaFACTFACT Quiet SeriesPowerSaverPowerTrenchQFETQSQT OptoelectronicsQuiet SeriesRapidConfigureRapidConnectSerDesScalarPumpSILENT SWITCHERSMART STARTSPMStealthSuperFETSuperSOT-3SuperSOT-6SuperSOT-8SyncFET TCM TinyLogicTINYOPTOTruTranslationUHCUltraFETUniFETVCXWireAcross the board.Around the world.The Power FranchiseProgrammable Active Droop