ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀBL1551—Single SPDT Analog Switchꢀ
2.7ΩLow Voltage SPDT Analog Switch in 6-pin SC70
ꢀ
Description
Features
TheꢀBL1551ꢀisꢀaꢀSingleꢀWideꢁBandwidth,ꢀfastꢀsingleꢁ
poleꢀdoubleꢁthrowꢀ(SPDT)ꢀCMOSꢀswitchꢀfeaturingꢀanꢀ
OnꢁResistanceꢀofꢀ2.7ꢀohmꢀatꢀVCC=5.0Vꢀandꢀwideꢀ
powerꢀsupplyꢀrangeꢀfromꢀ1.8Vꢀtoꢀ5.5V.ꢀItꢀcanꢀbeꢀusedꢀ
asꢀanꢀanalogꢀswitchꢀorꢀasꢀaꢀlowꢁdelayꢀbusꢀswitch.ꢀ
Theꢀ300MHzꢀhighꢀbandwidthꢀperformanceꢀsupportsꢀ
theꢀhighꢀfrequencyꢀapplication.ꢀꢀ
ꢀꢀ WideꢀPowerꢀSupplyꢀRange:ꢀ1.8Vꢀtoꢀ5.5Vꢀ
ꢀꢀ HighꢀBandwidth:ꢀ300MHzꢀ
ꢀꢀ HighꢀOffꢁIsolation:ꢀꢀ
84dBꢀatꢀ1MHzꢀ
51dBꢀatꢀ10MHzꢀ
ꢀꢀ OnꢁResistance:ꢀ2.7Ω(typ) at 5.0Vꢀ
ꢀꢀ FastꢀSwitchingꢀTimeꢀ
Breakꢁbeforeꢁmakeꢀfunctionꢀforꢀbothꢀpartsꢀeliminatesꢀ
signalꢀdisruptionꢀduringꢀswitchingꢀfromꢀpreventingꢀ
bothꢀswitchesꢀbeingꢀenabledꢀsimultaneously.ꢀ
ꢀ
t
onꢀ=ꢀ12.0ns;ꢀtoffꢀ=ꢀ5.0nsꢀ
ꢀꢀ TTL/CMOSꢀCompatibleꢀ
ꢀꢀ BreakꢁBeforeꢁMakeꢀSwitchingꢀ
ꢀꢀ RailꢁtoꢁRailꢀSignalꢀRangeꢀ
ꢀꢀ OperationꢀTemperatureꢀRange:ꢀꢀ
Block Diagram
ꢁ40℃ to 85℃
ꢀ
BL1551
ꢀꢀ Leadꢀ(Pb)ꢀFreeꢀSC70ꢁ6ꢀPackageꢀ
ꢀ
1
2
3
6
5
4
ENB
VCC
B
A1
GND
A2
Applications
ꢀꢀ WirelessꢀHandsetsꢀ
ꢀꢀ MP3ꢀPlayersꢀ
ꢀꢀ PortableꢀElectronicꢀDevicesꢀ
ꢀꢀ RelayꢀReplacementꢀ
ꢀꢀ PDAsꢀꢀ
ꢀꢀ Audioꢀ&ꢀVideoꢀSignalꢀRoutingꢀ
ꢀꢀ PCMCIAꢀCardsꢀ
ꢀꢀ ComputerꢀPeripheralsꢀ
ꢀꢀ Modemsꢀ
ꢀ
Function Table
ꢀ
ENB
Function
Pin Configuration
1
0
A1 Connected to B
A2 Connected to B
ENB VCC B
6
5
4
Pin Description
Pin Name
Type
Description
PowerꢀSupplyꢀ
Groundꢀ
VCCꢀ
PWRꢀ
ASSS
GNDꢀ
Bꢀ
Groundꢀ
Input/Outputꢀ
Input/Outputꢀ
Input/Outputꢀ
Inputꢀ
ꢀDataꢀPortꢀ
1
2
3
A1ꢀ
DataꢀPortꢀ
A2ꢀ
DataꢀPortꢀ
A1 GND A2
SSS:ꢀproductionꢀidꢀ
ENBꢀ
LogicꢀControlꢀSignalꢀ
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