Home RF & microwave RF PLLs & synthesizers
Home
RF & microwave
RF PLLs & synthesizers

LMX2502

NOT RECOMMENDED FOR NEW DESIGNS

Frequency synthesizer system with integrated VCOs

Order now
Data sheet

LMX2502

NOT RECOMMENDED FOR NEW DESIGNS
Data sheet Order now

Product details

Frequency (max) (MHz) 1649.62 Frequency (min) (MHz) 1619.62 Normalized PLL phase noise (dBc/Hz) -138 Features Integrated VCO Current consumption (mA) 17 Integrated VCO Yes Operating temperature range (°C) -30 to 85 Rating Catalog Lock time (µs) (typ) (s) 500
Frequency (max) (MHz) 1649.62 Frequency (min) (MHz) 1619.62 Normalized PLL phase noise (dBc/Hz) -138 Features Integrated VCO Current consumption (mA) 17 Integrated VCO Yes Operating temperature range (°C) -30 to 85 Rating Catalog Lock time (µs) (typ) (s) 500
WQFN (NJB) 28 25 mm² 5 x 5
  • Small Size
    • 5.0 mm X 5.0 mm X 0.75 mm 28-Pin WQFN Package
  • RF Synthesizer System
    • Integrated RF VCO
    • Integrated Loop Filter
    • Low Spurious, Low Phase Noise Fractional-N RF PLL Based on 11-Bit Delta Sigma Modulator
    • 10 kHz Frequency Resolution
  • IF Synthesizer System
    • Integer-N IF PLL
    • Programmable Charge Pump Current Levels
    • Programmable Frequency
  • Supports Various Reference Frequencies
    • 19.20/19.68 MHz
  • Fast Lock Time: 500 µs
  • Low Current Consumption
    • 17 mA at 2.8 V
  • 2.7 V to 3.3 V Operation
  • Digital Filtered Lock Detect Output
  • Hardware and Software Power Down Control

All trademarks are the property of their respective owners.

  • Small Size
    • 5.0 mm X 5.0 mm X 0.75 mm 28-Pin WQFN Package
  • RF Synthesizer System
    • Integrated RF VCO
    • Integrated Loop Filter
    • Low Spurious, Low Phase Noise Fractional-N RF PLL Based on 11-Bit Delta Sigma Modulator
    • 10 kHz Frequency Resolution
  • IF Synthesizer System
    • Integer-N IF PLL
    • Programmable Charge Pump Current Levels
    • Programmable Frequency
  • Supports Various Reference Frequencies
    • 19.20/19.68 MHz
  • Fast Lock Time: 500 µs
  • Low Current Consumption
    • 17 mA at 2.8 V
  • 2.7 V to 3.3 V Operation
  • Digital Filtered Lock Detect Output
  • Hardware and Software Power Down Control

All trademarks are the property of their respective owners.

LMX2502 and LMX2512 are highly integrated, high performance, low power frequency synthesizer systems optimized for Korean PCS and Korean Cellular CDMA (1xRTT, IS-95) mobile handsets. Using a proprietary digital phase locked loop technique, LMX2502 and LMX2512 generate very stable, low noise local oscillator signals for up and down conversion in wireless communications devices.

LMX2502 and LMX2512 include a voltage controlled oscillator (VCO), a loop filter, and a fractional-N RF PLL based on a delta sigma modulator. In concert these blocks form a closed loop RF synthesizer system. LMX2502 supports the Korean PCS band and LMX2512 supports the Korean Cellular band.

LMX2502 and LMX2512 include an Integer-N IF PLL also. For more flexible loop filter designs, the IF PLL includes a 4-level programmable charge pump. Together with an external VCO and loop filter, LMX2502 and LMX2512 make a complete closed loop IF synthesizer system.

Serial data is transferred to the device via a three-wire MICROWIRE interface (DATA, LE, CLK).

Operating supply voltage ranges from 2.7 V to 3.3 V. LMX2502 and LMX2512 feature low current consumption: 17 mA at 2.8 V.

LMX2502 and LMX2512 are available in a 28-pin WQFN package.

LMX2502 and LMX2512 are highly integrated, high performance, low power frequency synthesizer systems optimized for Korean PCS and Korean Cellular CDMA (1xRTT, IS-95) mobile handsets. Using a proprietary digital phase locked loop technique, LMX2502 and LMX2512 generate very stable, low noise local oscillator signals for up and down conversion in wireless communications devices.

LMX2502 and LMX2512 include a voltage controlled oscillator (VCO), a loop filter, and a fractional-N RF PLL based on a delta sigma modulator. In concert these blocks form a closed loop RF synthesizer system. LMX2502 supports the Korean PCS band and LMX2512 supports the Korean Cellular band.

LMX2502 and LMX2512 include an Integer-N IF PLL also. For more flexible loop filter designs, the IF PLL includes a 4-level programmable charge pump. Together with an external VCO and loop filter, LMX2502 and LMX2512 make a complete closed loop IF synthesizer system.

Serial data is transferred to the device via a three-wire MICROWIRE interface (DATA, LE, CLK).

Operating supply voltage ranges from 2.7 V to 3.3 V. LMX2502 and LMX2512 feature low current consumption: 17 mA at 2.8 V.

LMX2502 and LMX2512 are available in a 28-pin WQFN package.
filter Find other RF PLLs & synthesizers
Download

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 1
Top documentation Type Title Format options Date
* Data sheet LMX2502/LMX2512 PLLatinum Frequency Synthesizer System with Integrated VCO datasheet (Rev. C) 13 Apr 2013

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location