参数资料
型号: LMX2324TMX/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16
封装: TSSOP-16
文件页数: 1/14页
文件大小: 183K
代理商: LMX2324TMX/NOPB
LMX2324
PLLatinum 2.0 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
oscillators.
Serial data is transferred into the LMX2324 via a three-line
MICROWIRE interface (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).
Features
n
RF operation up to 2.0 GHz
n
2.7V to 5.5V operation
n
Low current consumption: I
CC = 3.5 mA (typ) at VCC =
3.0V
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,
CT-1+)
n
Wireless local area networks (WLANs)
n
Other wireless communication systems
Functional Block Diagram
TRI-STATE is a registered trademark of National Semiconductor Corporation.
MICROWIRE and PLLatinum are trademarks of National Semiconductor Corporation.
DS101030-1
March 2001
LMX2324
PLLatinum
2.0
GHz
Frequency
Synthesizer
for
RF
Personal
Communications
2001 National Semiconductor Corporation
DS101030
www.national.com
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LMX2324MDC PLL FREQUENCY SYNTHESIZER, 2000 MHz, UUC
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参数描述
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