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LMV225SD PDF预览

LMV225SD

更新时间: 2024-11-20 22:35:27
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

LMV225SD 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:2.20 X 2.50 MM, 0.80 MM HEIGHT, LLP-6Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.28JESD-30 代码:R-XDSO-N6
JESD-609代码:e0长度:2.5 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVSON封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
标称供电电压:2.7 V表面贴装:YES
电信集成电路类型:RF AND BASEBAND CIRCUIT温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:NO LEAD
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:40宽度:2.2 mm

LMV225SD 数据手册

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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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