LMX2324A PLLatinum 2.2 GHz Frequency Synthesizer for RF Personal Communications (SL163188)
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July 30...
LMX2324A PLLatinum 2.2 GHz Frequency Synthesizer for RF Personal Communications (SL163188)
www.DataSheet4U.com
July 30, 2009
LMX2324A
PLLatinum™ 2.2 GHz Frequency Synthesizer for RF Personal Communications (SL163188)
General Description
The LMX2324A is a high performance frequency synthesizer with integrated 32/33 dual modulus prescaler designed for RF operation up to 2.2 GHz. Using a proprietary digital phase locked loop technique, the LMX2324A's linear phase detector characteristics can generate very stable, low noise control signals for UHF and VHF
voltage controlled oscillators. Serial data is transferred into the LMX2324A via a three-line MICROWIRE™ interface (Data, LE, Clock). Supply
voltage range is from 2.7V to 5.5V. The LMX2324A features very low current consumption, typically 3.5 mA at 3V. The charge pump provides 4 mA output current. The LMX2324A is manufactured using National's ABiC V Bi
CMOS process and is packaged in a 16-pin TSSOP and a 16-pin Chip Scale Package (CSP).
Features
■ ■ ■ ■ ■
RF operation up to 2.2 GHz 2.7V to 5.5V operation Low current consumption: ICC = 3.5 mA (typ) at VCC = 3.0V Dual modulus prescaler: 32/33 Internal balanced, low leakage charge pump
Applications
■ Cellular telephone systems (GSM, NADC, CDMA, PDC) ■ Personal wireless communications (DCS-1800, DECT,
CT-1+)
■ Wireless local area networks (WLANs) ■ Other wireless communication systems
Functional Block Diagram
10124601
PLLatinum™ is a trademark of National Semiconductor Corp...