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LMX2430TMNSN/a110avai3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430TMXNSN/a2352avai3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2433SLEXNSCN/a1139avai3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2433SLEXNS/PBFN/a673avai3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2433TMNSN/a180avai3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2433TMXNSN/a600avai3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434TMNSN/a1800avai5.0 GHz/2.5 GHz PLLatinum Low Power Dual Frequency Synthesizer for RF Personal Communications


LMX2430TMX ,3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal CommunicationsApplicationsfrom 2.25V to 2.75V are supported . The LMX243x family
LMX2433SLEX ,3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal CommunicationsBlock Diagram20053501Note:1 (2) refers to Pin #1 of the 20-Pin UTCSP and Pin #2 of the 20-Pin TSSOP ..
LMX2433SLEX ,3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal CommunicationsLMX2430/LMX2433/LMX2434 PLLatinum Dual High Frequency Synthesizer for RF PersonalCommunicationsMay ..
LMX2433TM ,3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal CommunicationsFeaturesn Low Current ConsumptionThe LMX243x devices are high performance frequency syn-thesizers w ..
LMX2433TMX ,3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal CommunicationsFeaturesn Low Current ConsumptionThe LMX243x devices are high performance frequency syn-thesizers w ..
LMX2433TMX/NOPB ,3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications 20-TSSOP -40 to 85 SNAS187D–FEBRUARY 2003–REVISED JANUARY 20165 Description continuedThe LMX243x devices are high-per ..
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LMX2430TM-LMX2430TMX-LMX2433SLEX-LMX2433TM-LMX2433TMX-LMX2434TM
3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430/LMX2433/LMX2434
PLLatinum™ Dual High Frequency Synthesizer for RF
Personal Communications
LMX2430 3.0 GHz/0.8 GHz
LMX2433 3.6 GHz/1.7 GHz
LMX2434 5.0 GHz/2.5 GHz
General Description

The LMX243x devicesare high performance frequency syn-
thesizers with integrated dual modulus prescalers. The
LMX243x devices are designedfor useas RF andIF local
oscillatorsfor dual conversion radio transceivers. 32/33ora 16/17 prescale ratio canbe selectedforthe5.0
GHz LMX2434RF synthesizer.An 8/9ora 16/17 prescale
ratio canbe selectedfor both the LMX2430 and LMX2433 synthesizers. TheIF circuitry containsan 8/9ora 16/17
prescaler. Usinga proprietary digital phase locked loop tech-
nique,the LMX243x devices generate very stable,low noise
control signalsfor RF andIF voltage controlled oscillators.
Both the RF andIF synthesizers includea two-level pro-
grammable charge pump. Both theRF andIF synthesizers
have dedicated Fastlock circuitry with integrated timeout
counters. Furthermore, onlya single word writeis requiredto
powerup and tunethe synthesizerstoa new frequency.
Serial datais transferredto the devices viaa three-wire
interface (DATA, LE, CLK).A low voltage logic interface
allows direct connectionto 1.8V devices. Supply voltages
from 2.25Vto 2.75V are supported. The LMX243x family
features low current consumption:
LMX2430 (3.0 GHz/0.8 GHz)—2.8 mA/1.4 mA, LMX2433
(3.6 GHz/1.7 GHz) —3.2 mA/2.0 mA, LMX2434 (5.0 GHz/
2.5 GHz)—4.6 mA/2.4 mAat 2.50V.
The LMX243x devices are availablein 20-Pin TSSOP and
20-Pin UTCSP surface mount plastic packages.
Features
Low Current Consumption 2.25Vto 2.75V Operation Selectable Synchronousor Asynchronous Powerdown
Mode Selectable Dual Modulus Prescaler:
LMX2430 RF: 8/9or 16/17
LMX2433 RF: 8/9or 16/17
LMX2434 RF: 16/17or 32/33
LMX243x IF: 8/9or 16/17 Programmable Charge Pump Current Levels andIF:1or4 mA Fastlock™ Technology with Integrated Timeout Counters Digital Filtered Lock Detect Output Analog Lock Detect Output (supports both Push-Pull
and Open Drain configurations) 1.8V MICROWIRE Logic Interface Availablein 20-Pin TSSOP and 20-Pin UTCSP
Applications
Mobile Handsets
(GSM, GPRS, W-CDMA, CDMA, PCS, AMPS, PDC,
DCS) Cordless Handsets
(DECT, DCT) Wireless Data CableTV Tuners
Thin Shrink Small Outline Package (MTC20) Ultra Thin Chip Scale Package (SLE20A)

May 2003
LMX2430/LMX2433/LMX2434
PLLatinum
Dual
High
Frequency
Synthesizer
for
Personal
Communications
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