LMX5252 Features
` Implemented in 0.18 m CMOS technology
` RF includes baluns, switch and filters on chip
` Secondary 32.768 kHz oscillator for low-power modes
` Typically 84 dBm receiver sensitivity
` Class 2 operation
` Fractional-N sigma-delta modulator
` Operating voltage range 2.5V to 3.0V
` I/O voltage range 1.6V to 3.6V
` Several power management functions
` Accepts external clock 10 MHz to 40 MHz or crystal input 10 MHz to 20 MHz
` Current consumption typically below 41 mA
` Available in a LLP-36 (6 mm x 6 mm x 0.8 mm) package
LMX5252 Typical Application
· Mobile handsets
· Personal digital assistants
· Personal computers
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