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LMX2324TMX ,PLLatinum 2.0 GHz Frequency Synthesizer for RF Personal CommunicationsPin DescriptionsPin No. PinI/O DescriptionNameTSSOP16 CSP1621 V — Power supply for charge pump. Mus ..
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LMX2324SLBX-LMX2324TMX
PLLatinum 2.0 GHz Frequency Synthesizer for RF Personal Communications
LMX2324
PLLatinum™ 2.0 GHz Frequency Synthesizer for RF
Personal Communications
General DescriptionThe LMX2324isa high performance frequency synthesizer
with integrated 32/33 dual modulus prescaler designedfor operationupto 2.0 GHz. Usinga proprietary digital
phase locked loop technique, the LMX2324’s linear phase
detector characteristics can generate very stable, low noise
control signalsfor UHF and VHF voltage controlled oscilla-
tors.
Serial datais transferred intothe LMX2324viaa three-line
MICROWIRE™ interface (Data, LE, Clock). Supply voltage
rangeis from 2.7Vto 5.5V. The LMX2324 features very low
current consumption, typically 3.5 mAat 3V. The charge
pump provides4 mA output current.
The LMX2324is manufactured using National’s ABiCV
BiCMOS process andis packagedina 16-pin TSSOP anda
16-pin Chip Scale Package (CSP).
Features RF operationupto2.0 GHz 2.7Vto 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 DiagramMarch 2001
LMX2324
PLLatinum
GHz
Frequency
Synthesizer
for
Personal
Communications
