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LMX2335TM PDF预览

LMX2335TM

更新时间: 2024-02-14 09:49:37
品牌 Logo 应用领域
美国国家半导体 - NSC 射频光电二极管个人通信信息通信管理
页数 文件大小 规格书
18页 396K
描述
PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications

LMX2335TM 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:TSSOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.7
Is Samacsys:N其他特性:DUAL MODULUS PRESCALER: 64/65 OR 128/129
模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZERJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 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):3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:TIN
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

LMX2335TM 数据手册

 浏览型号LMX2335TM的Datasheet PDF文件第2页浏览型号LMX2335TM的Datasheet PDF文件第3页浏览型号LMX2335TM的Datasheet PDF文件第4页浏览型号LMX2335TM的Datasheet PDF文件第5页浏览型号LMX2335TM的Datasheet PDF文件第6页浏览型号LMX2335TM的Datasheet PDF文件第7页 
September 1996  
LMX2335/LMX2336/LMX2337  
PLLatinum Dual Frequency Synthesizer for RF  
Personal Communications  
both a JEDEC SO and TSSOP 16-pin surface mount plastic  
package. The LMX2336 is available in a TSSOP 20-pin sur-  
face mount plastic package.  
LMX2335  
LMX2336  
LMX2337  
1.1 GHz/1.1 GHz  
2.0 GHz/1.1 GHz  
550 MHz/550 MHz  
Features  
n 2.7V to 5.5V operation  
n Low current consumption  
n Selectable powerdown mode:  
General Description  
The LMX2335, LMX2336 and LMX2337 are monolithic, inte-  
grated dual frequency synthesizers, including two high fre-  
quency prescalers, and are designed for applications requir-  
ing two RF phase-lock loops. They are fabricated using  
National’s ABiC IV silicon BiCMOS process.  
=
ICC 1 µA (typ)  
n Dual modulus prescaler: 64/65 or 128/129  
n Selectable charge pump TRI-STATE® mode  
n Selectable charge pump current levels  
The LMX2335/36/37 contains two dual modulus prescalers.  
A 64/65 or a 128/129 prescaler can be selected for each RF  
synthesizer. A second reference divider chain is included in  
the IC for improved system noise. LMX2335/36/37, which  
employ a digital phase locked loop technique, combined with  
a high quality reference oscillator and loop filters, provide the  
tuning voltages for voltage controlled oscillators to generate  
very stable low noise RF local oscillator signals.  
n Selectable FastLock mode  
Applications  
n Cellular telephone systems (AMPS, ETACS, RCR-27)  
n Cordless telephone systems (DECT, ISM, PHS, CT-1+)  
n Personal Communication Systems  
(DCS-1800, PCN-1900)  
Serial data is transferred into the LMX2335/36/37 via a three  
wire interface (Data, Enable, Clock). Supply voltage can  
range from 2.7V to 5.5V. The LMX2335/36/37 feature very  
low current consumption; LMX2335/37 −10 mA at 3V,  
LMX2336 −13 mA at 3V. The LMX2335/37 are available in  
n Dual Mode PCS phones  
n CATV  
n Other wireless communication systems  
Functional Block Diagram  
DS012332-1  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
Fastlock , MICROWIRE and PLLatinum are trademarks of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS012332  
www.national.com  

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