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 ..
LMX2434TM ,5.0 GHz/2.5 GHz PLLatinum Low Power Dual Frequency Synthesizer for RF Personal Communicationsfeatures low current consumption: n Mobile Handsets(GSM, GPRS, W-CDMA, CDMA, PCS, AMPS, PDC,LMX2430 ..
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LMX2470SLEX ,2.6 GHz Delta-Sigma Fractional-N PLL with 800 MHz Integer-N PLLApplicationsProgramming is fast and simple. Serial data is transferredn Cellular Phones and Base St ..
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LMX2433TMX/NOPB
3.6 GHz/1.7 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications 20-ULGA -40 to 85
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LMX2430, LMX2433, LMX2434SNAS187D –FEBRUARY 2003–REVISED JANUARY 2016
LMX243x PLLatinum™ Dual High-Frequency Synthesizer for RF Personal
Communications Features 2 Applications Low Current Consumption • Mobile Handsets Cordless Handsets– LMX2430 (RF/IF): 2.8 mA/ 1.4 mA Wireless Data– LMX2433 (RF/IF): 3.2 mA/2 mA Cable TV Tuners– LMX2434 (RF/IF): 4.6 mA/ 2.4 mA 2.25-Vto 2.75-V Operation
3 Description• Synchronous/Asynchronous Power Down Using a proprietary digital-phase, locked-loop• Multiple PLL Options: technique, the LMX243x devices generate very– LMX2430 (RF/IF):3 GHz /0.8 GHz stable, low-noise control signals for RF andIF voltage
controlled oscillators. Both the RF and IF– LMX2433 (RF/IF): 3.6 GHz /1.7 GHz synthesizers include a two-level programmable– LMX2434 (RF/IF):5 GHz /2.5 GHz charge pump. Both the RF and IF PLLs have• Programmable Charge-Pump Current Levels dedicated fastlock circuitry with integrated time-out
counters which require onlya single word writeto– RF and IF:1or4 mA
powerupor change frequencies.• Fastlock With Integrated Time-Out Counters Digital Filtered Lock-Detect Output
Device Information(1) Analog Lock Detect (Push-Pull/ Open-Drain) 1.8-V MICROWIRE Logic Interface
(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Functional Block Diagram
