LMX2324A Datasheet | National Semiconductor

LMX2324A PLLatinum 2.2 GHz Frequency Synthesizer for RF Personal munications (SL163188) .. July 30, 2009 PLLatinum™ 2.2 GHz Frequency Synthesizer for RF Personal munications (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 m A at 3V. The charge pump provides 4 m A output current. The LMX2324A is manufactured using National's ABi C 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 m A (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 munications (DCS-1800, DECT, CT-1+) - Wireless local area networks (WLANs) - Other wireless munication systems Functional Block Diagram PLLatinum™ is a trademark of National Semiconductor Corporation. TRI-STATE® is a registered trademark of National Semiconductor Corporation. © 2009 National Semiconductor Corporation .national. .. Connection Diagram TSSOP 16-Pin Package Order Number LM2324ATMX See NS Package Number MTC16 Pin Descriptions Pin No. TSSOP16 2 3 4 5 CSP16 1 2 3 4 Pin Name VP CPo GND f INB I/O - O - I Description Power supply for charge pump. Must be ≥ VCC Internal charge pump output. For connection to a loop filter...