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.
Features
- n Small Size Small 5.0 mm x 5.0 mm x 0.75 mm 28-Pin LLP Package n RF/GPS Synthesizer System Integrated RF VCO Integrated GPS VCO Integrated Loop Filter Low Spurious, Low Phase Noise Fractional-N RF PLL Based on 11-bit Delta Sigma Modulator 10 kHz Frequency Resolution n IF Synthesizer System Integer-N IF PLL Programmable Charge Pump Current Levels Programmable Frequencies n Supports Various Reference Oscillator Frequencies 19.20/19.68 MHz n Fast Lock Time: 500 µs n Low Current Consumption 17 mA a.
LMX2522_NationalSemiconductor.pdf
