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LMX2515LQX1321 PDF预览

LMX2515LQX1321

更新时间: 2024-01-06 01:49:03
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
17页 252K
描述
PLLatinum⑩ Frequency Synthesizer System with Integrated VCO

LMX2515LQX1321 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:VQCCN, LCC28,.2SQ,20针数:28
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.67模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZER
JESD-30 代码:S-XQCC-N28JESD-609代码:e3
长度:5 mm湿度敏感等级:2
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:UNSPECIFIED封装代码:VQCCN
封装等效代码:LCC28,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:3 V认证状态:Not Qualified
座面最大高度:0.8 mm子类别:PLL or Frequency Synthesis Circuits
最大供电电流 (Isup):17.8 mA最大供电电压 (Vsup):3.3 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):2.8 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:5 mm
Base Number Matches:1

LMX2515LQX1321 数据手册

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April 2004  
LMX2515  
PLLatinum Frequency Synthesizer System  
with Integrated VCO  
General Description  
Features  
n Small size  
LMX2515 is a highly integrated, high performance, low  
power frequency synthesizer system optimized for Japan  
PDC mobile handsets. Using a proprietary digital phase  
locked loop technique, LMX2515 generates very stable, low  
noise local oscillator signals for up and down conversion in  
wireless communications devices.  
5.0 mm X 5.0 mm X 0.75 mm 28-Pin LLP Package  
n RF Synthesizer System  
Integrated RF VCO  
Integrated Loop Filter  
Low Spurious, Low Phase Noise Fractional-N RF PLL  
Based on 10-Bit Delta Sigma Modulator  
Frequency Resolution Down to 20 kHz  
n Supports Various Reference Frequencies  
12.6/14.4/25.2/26.0 MHz  
n Fast Lock Time: 300 µs  
n Low Current Consumption  
LMX2515 includes a voltage controlled oscillator (VCO), a  
loop filter, and a fractional-N RF PLL based on a delta sigma  
modulator. In concert these blocks form a closed loop RF  
synthesizer system. The LMX2515LQ0701 supports the Ja-  
pan PDC800 band and the LMX2515LQ1321 supports Ja-  
pan PDC1500 band.  
Serial data is transferred to the device via a three-wire  
MICROWIRE interface (DATA, LE, CLK).  
n 2.5 V to 3.3 V operation  
n Digital Filtered Lock Detect Output  
n Hardware and Software Power Down Control  
Operating supply voltage ranges from 2.5 V to 3.3 V.  
LMX2515 features low current consumption.  
LMX2515 is available in a 28-pin leadless leadframe pack-  
age (LLP).  
Applications  
n Japan PDC systems at 800 MHz frequency band.  
n Japan PDC systems at 1500 MHz frequency band.  
Functional Block Diagram  
20068807  
FastLock is a trademark of National Semiconductor Corporation.  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
PLLatinum is a trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200688  
www.national.com  

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