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LMV225SD

更新时间： 2024-01-07 12:08:00
品牌 Logo 应用领域
德州仪器 - TI 射频
页数 文件大小 规格书
30页 947K
描述
LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA

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LMV225SD 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

LMV225SD 数据手册

 浏览型号LMV225SD的Datasheet PDF文件第2页浏览型号LMV225SD的Datasheet PDF文件第3页浏览型号LMV225SD的Datasheet PDF文件第4页浏览型号LMV225SD的Datasheet PDF文件第5页浏览型号LMV225SD的Datasheet PDF文件第6页浏览型号LMV225SD的Datasheet PDF文件第7页 
LMV225, LMV226, LMV228  
www.ti.com  
SNWS013L –AUGUST 2003–REVISED MARCH 2013  
LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA  
Check for Samples: LMV225, LMV226, LMV228  
1
FEATURES  
DESCRIPTION  
The LMV225/LMV226/LMV228 are 30 dB RF power  
2
•
•
•
•
30 dB Linear in dB Power Detection Range  
Output Voltage Range 0.2 to 2V  
Logic Low Shutdown  
detectors 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 compensated 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  
integrated 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.  
Multi-Band Operation from 450 MHz to 2000  
MHz  
•
•
Accurate Temperature Compensation  
Packages:  
–
–
DSBGA Thin 1.0 mm x 1.0 mm x 0.6 mm  
DSBGA Ultra Thin 1.0 mm x 1.0 mm x 0.35  
mm  
The LMV225 has an RF power detection range from  
–30 dBm to 0 dBm and is ideally suited for direct use  
–
WSON 2.2 mm x 2.5 mm x 0.8 mm  
–
(LMV225 and LMV228)  
in  
combination  
with  
resistive  
taps.  
The  
LMV226/LMV228 have a detection 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  
•
•
•
•
CDMA RF Power Control  
WCDMA RF Power Control  
CDMA2000 RF Power Control  
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 requirements.  
The LMV225/LMV226/LMV228 power detectors are  
offered in the thin 1.0 mm x 1.0 mm x 0.6 mm  
DSBGA package and the ultra thin 1.0 mm x 1.0 mm  
x 0.35 mm DSBGA package. The LMV225 and the  
LMV228 are also offered in the 2.2 mm x 2.5 mm x  
0.8 mm WSON package.  
Typical Application  
ANTENNA  
RF  
PA  
ANTENNA  
RF  
PA  
R
1
V
DD  
1.8 kW  
C
50W  
V
DD  
100 pF  
LMV225  
C
RF /E  
IN  
N
100 pF  
OUT  
LMV226/  
LMV228  
R
2
RF /E  
IN  
N
10 kW  
ENABLE  
OUT  
GND  
ENABLE  
R
2
GND  
10 kW  
Figure 1. LMV225  
Figure 2. LMV226/LMV228  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2013, Texas Instruments Incorporated  
1234567...30

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