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LMX2324 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LMX2324
Description  PLLatinum™ 2.0 GHz Frequency Synthesizer for RF Personal Communications
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com

LMX2324 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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PLLatinum2.0 GHz Frequency Synthesizer for RF
Personal Communications
General Description
The LMX2324 is a high performance frequency synthesizer
with integrated 32/33 dual modulus prescaler designed for
RF operation up to 2.0 GHz. Using a proprietary digital
phase locked loop technique, the LMX2324’s linear phase
detector characteristics can generate very stable, low noise
control signals for UHF and VHF voltage controlled oscilla-
Serial data is transferred into the LMX2324 via a three-line
MICROWIREinterface (Data, LE, Clock). Supply voltage
range is from 2.7V to 5.5V. The LMX2324 features very low
current consumption, typically 3.5 mA at 3V. The charge
pump provides 4 mA output current.
The LMX2324 is manufactured using National’s ABiC V
BiCMOS process and is packaged in a 16-pin TSSOP and a
16-pin Chip Scale Package (CSP).
n RF operation up to 2.0 GHz
n 2.7V to 5.5V operation
n Low current consumption: ICC = 3.5 mA (typ) at VCC =
n Dual modulus prescaler: 32/33
n Internal balanced, low leakage charge pump
n Cellular telephone systems (GSM, NADC, CDMA, PDC)
n Personal wireless communications (DCS-1800, DECT,
n Wireless local area networks (WLANs)
n Other wireless communication systems
Functional Block Diagram
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
MICROWIREand PLLatinumare trademarks of National Semiconductor Corporation.
November 1999
© 1999 National Semiconductor Corporation

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