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LMX2522 - Frequency Synthesizer System

General Description

LMX2522 and LMX2532 are highly integrated, high performance, low power frequency synthesizer systems optimized for Korean PCS (K-PCS) with GPS and Korean Cellular (K-Cellular) with GPS, CDMA (1xRTT, IS-95) mobile handsets.

Key Features

  • 1.
  • 23 Small Size.
  • Small 5.0 mm x 5.0 mm x 0.75 mm 28-Pin WQFN Package.
  • RF/GPS Synthesizer System.
  • Integrated RF VCO.
  • Integrated GPS VCO.
  • Integrated Loop Filter.
  • Low Spurious, Low Phase Noise FractionalN 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 Frequencies.

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Other Datasheets by Texas Instruments

Part Number Description
LMX2502 Frequency Synthesizer System
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LMX2522, LMX2532 www.ti.com SNWS009B – MARCH 2003 – REVISED APRIL 2013 LMX2522/LMX2532 PLLatinum™ Frequency Synthesizer System with Integrated VCOs Check for Samples: LMX2522, LMX2532 FEATURES 1 •23 Small Size – Small 5.0 mm x 5.0 mm x 0.75 mm 28-Pin WQFN Package • RF/GPS Synthesizer System – Integrated RF VCO – Integrated GPS VCO – Integrated Loop Filter – Low Spurious, Low Phase Noise FractionalN 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 Frequencies • Supports Various Reference Oscillator 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.