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LMX2305WG-MLS PDF预览

LMX2305WG-MLS

更新时间: 2024-01-13 03:35:39
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理
页数 文件大小 规格书
17页 274K
描述
PLL FREQUENCY SYNTHESIZER, 500MHz, CDSO20, 0.300 INCH, CERAMIC, SOIC-20

LMX2305WG-MLS 技术参数

生命周期:Active包装说明:SOP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.72其他特性:SELECTABLE PRESCALER OF 64/65 OR 128/129
模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZERJESD-30 代码:R-GDSO-G20
功能数量:1端子数量:20
最高工作温度:105 °C最低工作温度:-40 °C
封装主体材料:CERAMIC, GLASS-SEALED封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
筛选级别:MIL-STD-883座面最大高度:2.59 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):5.5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

LMX2305WG-MLS 数据手册

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PRELIMINARY  
August 1996  
LMX2305  
PLLatinumTM 550 MHz Frequency Synthesizer  
for RF Personal Communications  
General Description  
Features  
Y
RF operation up to 550 MHz  
The LMX2305 is a high performance frequency synthesizer  
with an integrated prescaler designed for RF operation up to  
550 MHz. It is fabricated using National’s ABiC IV BiCMOS  
process.  
Y
2.65V to 5.5V operation  
Y
Low current consumption:  
e
e
2.75V  
I
4.0 mA (typ) at V  
CC  
CC  
Y
Y
Y
The LMX2305 contains a dual modulus prescaler which can  
select either a 64/65 or a 128/129 divide ratio at input fre-  
quencies of up to 550 MHz. LMX2305, which employs the  
digital phase lock loop technique, combined with a high  
quality reference oscillator and a loop filter, provides the  
tuning voltage for the voltage controlled oscillator to gener-  
ate a very stable, low noise local oscillator signal.  
Dual modulus prescaler: 64/65 or 128/129  
Internal balanced, low leakage charge pump  
Small-outline, plastic, surface mount TSSOP,  
0.173 wide package  
×
Applications  
Y
Analog Cellular telephone systems  
(AMPS, ETACS, NMT)  
Serial data is transferred into the LMX2305 via a three line  
MICROWIRETM interface (Data, Enable, Clock). Supply volt-  
age can range from 2.65V to 5.5V. The LMX2305 features  
very low current consumption, typically 4.0 mA at 2.75V.  
Y
Portable wireless communications  
(PCS/PCN, cordless)  
Y
Wireless local area networks (WLANs)  
The LMX2305 is available in a TSSOP 20-pin surface mount  
plastic package.  
Y
Other wireless communication systems  
Y
Pagers  
Block Diagram  
TL/W/12459–1  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
MICROWIRETM and PLLatinumTM are trademarks of National Semiconductor Corporation.  
C
1996 National Semiconductor Corporation  
TL/W/12459  
RRD-B30M126/Printed in U. S. A.  
http://www.national.com  

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