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LMV225TLX PDF预览

LMV225TLX

更新时间: 2024-01-16 02:57:28
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
21页 1085K
描述
RF Power Detector for CDMA and WCDMA

LMV225TLX 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:VFBGA,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.25
JESD-30 代码:S-XBGA-B4JESD-609代码:e1
湿度敏感等级:1功能数量:1
封装主体材料:UNSPECIFIED封装代码:VFBGA
封装形状:SQUARE封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):260最大压摆率:8 mA
表面贴装:YES电信集成电路类型:RF AND BASEBAND CIRCUIT
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)端子形式:BALL
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

LMV225TLX 数据手册

 浏览型号LMV225TLX的Datasheet PDF文件第2页浏览型号LMV225TLX的Datasheet PDF文件第3页浏览型号LMV225TLX的Datasheet PDF文件第4页浏览型号LMV225TLX的Datasheet PDF文件第5页浏览型号LMV225TLX的Datasheet PDF文件第6页浏览型号LMV225TLX的Datasheet PDF文件第7页 
March 2005  
LMV225/LMV226/LMV228  
RF Power Detector for CDMA and WCDMA  
General Description  
Features  
n 30 dB linear in dB power detection range  
n Output voltage range 0.2 to 2V  
n Logic low shutdown  
The LMV225/LMV226/LMV228 are 30 dB RF power detec-  
tors intended for use in CDMA and WCDMA applications.  
The device has an RF frequency range from 450 MHz to 2  
GHz. It provides an accurate temperature and supply com-  
pensated output voltage that relates linearly to the RF input  
power in dBm. The circuit operates with a single supply from  
2.7V to 5.5V. The LMV225/LMV226/LMV228 have an inte-  
grated filter for low-ripple average power detection of CDMA  
signals with 30 dB dynamic range. Additional filtering can be  
applied using a single external capacitor.  
n Multi-band operation from 450 MHz to 2000 MHz  
n Accurate temperature compensation  
n Packages:  
— micro SMD package 1.0 mm x 1.0 mm x 0.6 mm  
— LLP package 2.2 mm x 2.5 mm x 0.8 mm (LMV225  
and LMV228)  
The LMV225 has an RF power detection range from –30  
dBm to 0 dBm and is ideally suited for direct use in combi-  
nation with resistive taps. The LMV226/LMV228 have a de-  
tection range from –15 dBm to 15 dBm and are intended for  
use in combination with a directional coupler. The LMV226 is  
equipped with a buffered output which makes it suitable for  
GSM, EDGE, GPRS and TDMA applications.  
Applications  
n CDMA RF power control  
n WCDMA RF power control  
n CDMA2000 RF power control  
n PA modules  
The device is active for Enable = HI, otherwise it is in a low  
power consumption shutdown mode. During shutdown the  
output will be LOW. The output voltage ranges from 0.2V to  
2V and can be scaled down to meet ADC input range re-  
quirements.  
The LMV225/LMV226/LMV228 power detectors are offered  
in the small 1.0 mm x 1.0 mm X 0.6 mm micro SMD pack-  
age. The LMV225 and the LMV228 are also offered in the  
2.2 mm x 2.5 mm x 0.8 mm LLP package.  
Typical Application  
LMV226/LMV228  
LMV225  
20076001  
20076046  
© 2005 National Semiconductor Corporation  
DS200760  
www.national.com  

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