Texas Instruments LMX2433 Handleiding

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LMX2430

,

LMX2433

,

LMX2434

SNAS187D–FEBRUARY2003–REVISEDJANUARY2016

LMX243xPLLatinum™DualHigh-FrequencySynthesizerforRFPersonal

Communications

1Features2Applications

1

•LowCurrentConsumption

•MobileHandsets

•CordlessHandsets

–LMX2430(RF/IF):2.8mA/1.4mA

•WirelessData

–LMX2433(RF/IF):3.2mA/2mA

•CableTVTuners

–LMX2434(RF/IF):4.6mA/2.4mA

•2.25-Vto2.75-VOperation

3Description

•Synchronous/AsynchronousPowerDown

Usingaproprietarydigital-phase,locked-loop

•MultiplePLLOptions:

technique,theLMX243xdevicesgeneratevery

–LMX2430(RF/IF):3GHz/0.8GHz

stable,low-noisecontrolsignalsforRFandIFvoltage

controlledoscillators.BoththeRFandIF

–LMX2433(RF/IF):3.6GHz/1.7GHz

synthesizersincludeatwo-levelprogrammable

–LMX2434(RF/IF):5GHz/2.5GHz

chargepump.BoththeRFandIFPLLshave

•ProgrammableCharge-PumpCurrentLevels

dedicatedfastlockcircuitrywithintegratedtime-out

counterswhichrequireonlyasinglewordwriteto

–RFandIF:1or4mA

poweruporchangefrequencies.

•FastlockWithIntegratedTime-OutCounters

•DigitalFilteredLock-DetectOutput

DeviceInformation

(1)

•AnalogLockDetect(Push-Pull/Open-Drain)

PARTNUMBERPACKAGEBODYSIZE(NOM)

•1.8-VMICROWIRELogicInterface

ULGA(20)3.50mm×3.50mm

LMX243x

TSSOP(20)6.50mm×4.40mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

FunctionalBlockDiagram

NOTE:1(2)referstoPin1ofthe20-PinULGAandPin2ofthe20-PinTSSOP

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties