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LMX2331LSLB PDF预览

LMX2331LSLB

更新时间： 2024-02-16 20:35:34
品牌 Logo 应用领域
美国国家半导体 - NSC 射频个人通信
页数 文件大小 规格书
21页 499K
描述
PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications

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LMX2331LSLB 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
其他特性：DUAL MODULUS PRESCALER (RF): 64/65 OR 128/129 AND DUAL MODULUS PRESCALER (IF): 8/9 OR 16/17模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZER
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：6.5 mm湿度敏感等级：1
功能数量：1端子数量：20
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 mm
Base Number Matches：1

LMX2331LSLB 数据手册

 浏览型号LMX2331LSLB的Datasheet PDF文件第2页浏览型号LMX2331LSLB的Datasheet PDF文件第3页浏览型号LMX2331LSLB的Datasheet PDF文件第4页浏览型号LMX2331LSLB的Datasheet PDF文件第5页浏览型号LMX2331LSLB的Datasheet PDF文件第6页浏览型号LMX2331LSLB的Datasheet PDF文件第7页 
June 1999  
LMX2330L/LMX2331L/LMX2332L  
™
PLLatinum Low Power Dual Frequency Synthesizer for  
RF Personal Communications  
LMX2330L 2.5 GHz/510 MHz  
Features  
n Ultra low current consumption  
LMX2331L 2.0 GHz/510 MHz  
LMX2332L 1.2 GHz/510 MHz  
n 2.7V to 5.5V operation  
n Selectable synchronous or asynchronous powerdown  
General Description  
mode:  
=
ICC 1 µA typical at 3V  
The LMX233XL family of monolithic, integrated dual fre-  
quency synthesizers, including prescalers, is to be used as a  
local oscillator for RF and first IF of a dual conversion trans-  
ceiver. It is fabricated using National’s 0.5µ ABiC V silicon  
BiCMOS process.  
n Dual modulus prescaler:  
LMX2330L  
(RF) 32/33 or 64/65  
(RF) 64/65 or 128/129  
LMX2331L/32L  
LMX2330L/31L/32L (IF) 8/9 or 16/17  
n Selectable charge pump TRI-STATE® mode  
n Selectable charge pump current levels  
n Selectable Fastlock mode  
n Upgrade and compatible to LMX233XA family  
The LMX233XL contains dual modulus prescalers. A 64/65  
or a 128/129 prescaler (32/33 or 64/65 in the 2.5 GHz  
LMX2330L) can be selected for the RF synthesizer and a 8/9  
or a 16/17 prescaler can be selected for the IF synthesizer.  
LMX233XL, which employs a digital phase locked loop tech-  
nique, combined with a high quality reference oscillator, pro-  
vides the tuning voltages for voltage controlled oscillators to  
generate very stable, low noise signals for RF and IF local  
oscillators. Serial data is transferred into the LMX233XL via  
a three wire interface (Data, Enable, Clock). Supply voltage  
can range from 2.7V to 5.5V. The LMX233XL family features  
very low current consumption;  
™
Applications  
n Portable Wireless Communications  
(PCS/PCN, cordless)  
n Cordless and cellular telephone systems  
n Wireless Local Area Networks (WLANs)  
n Cable TV tuners (CATV)  
n Other wireless communication systems  
LMX2330L — 5.0 mA at 3V, LMX2331L — 4.0 mA at 3V,  
LMX2332L — 3.0 mA at 3V.  
The LMX233XL are available in a TSSOP 20-pin and CSP  
24-pin surface mount plastic package.  
Functional Block Diagram  
DS012806-1  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
™
™
™
Fastlock , MICROWIRE and PLLatinum are trademarks of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS012806  
www.national.com  
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