LM2324TMX National Semiconductor, LM2324TMX Datasheet
LM2324TMX
Manufacturer Part Number
LM2324TMX
Description
PLLatinum 2.0 GHz Frequency Synthesizer for RF Personal Communications
Manufacturer
National Semiconductor
Datasheet
1.LM2324TMX.pdf
(12 pages)
© 1999 National Semiconductor Corporation
LMX2324
PLLatinum
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-
tors.
Serial data is transferred into the LMX2324 via a three-line
MICROWIRE
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).
Functional Block Diagram
TRI-STATE
MICROWIRE
®
is a registered trademark of National Semiconductor Corporation.
™
and PLLatinum
™
interface (Data, LE, Clock). Supply voltage
™
are trademarks of National Semiconductor Corporation.
™
2.0 GHz Frequency Synthesizer for RF
DS101030
Features
n RF operation up to 2.0 GHz
n 2.7V to 5.5V operation
n Low current consumption: I
n Dual modulus prescaler: 32/33
n Internal balanced, low leakage charge pump
Applications
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
3.0V
CT-1+)
CC
= 3.5 mA (typ) at V
PRELIMINARY
DS101030-1
November 1999
www.national.com
CC
=
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