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LMV232TL

更新时间： 2024-11-19 22:37:11
品牌 Logo 应用领域
美国国家半导体 - NSC 射频和微波射频检测器微波检测器
页数 文件大小 规格书
13页 777K
描述
Dual-Channel Integrated Mean Square Power Detector for CDMA & WCDMA

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中文翻译

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LMV232TL 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：BGA8,3X3,20Reach Compliance Code：compliant
风险等级：5.23Is Samacsys：N
特性阻抗：50 Ω构造：COMPONENT
JESD-609代码：e1安装特点：SURFACE MOUNT
功能数量：2端子数量：8
最大工作频率：2000 MHz最小工作频率：50 MHz
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装等效代码：BGA8,3X3,20
电源：2.7 V射频/微波设备类型：LINEAR DETECTOR
子类别：RF/Microwave Amplifiers最大压摆率：13 mA
表面贴装：YES端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
Base Number Matches：1

LMV232TL 数据手册

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February 2005  
LMV232  
Dual-Channel Integrated Mean Square Power Detector  
for CDMA & WCDMA  
General Description  
Features  
>
n
20 dB square-law detection range  
The LMV232 dual RF detector is designed for RF transmit  
power measurement in mobile phones. This dual mean  
square IC is especially suited for accurate power measure-  
ment of RF signals exhibiting high peak-to-average ratios  
used in 3G and UMTS/CDMA applications. The LMV232  
saves calibration steps and system certification and is highly  
accurate. The circuit operates with a single supply from 2.5  
to 3.3V.  
n 2 sequentially selectable RF inputs  
n Low power consumption shutdown mode  
n Externally configurable gain and LF filter bandwidth.  
n Internal 50Ω RF termination impedance  
n Optimized for use with 20 dB directional coupler  
n Lead free 8-bump micro SMD package 1.5 x 1.5 x 0.6  
mm  
The LMV232 contains a mean square detector with two  
sequentially selectable RF inputs. The RF input power range  
of the device has been optimized for use with a 20 dB  
directional coupler, without the need for additional external  
components. A single external RC combination between FB  
and OUT provides an externally configurable gain and LF  
filter bandwidth of the device.  
Applications  
n 3G mobile communications  
n UMTS  
n WCDMA  
n CDMA2000  
The device has two digital interfaces. A shutdown function is  
available to set the device in a low-power shutdown mode. In  
case SD = HIGH, the device is in shutdown, if SD = LOW the  
device is active. The Band-Select function controls the se-  
lection of the active RF input channel. In case BS = HIGH,  
RFIN1 is active. In case BS = LOW, RFIN2 is active.  
n TD-SCDMA  
n RF control  
n Wireless LAN  
n PC Card and GPS modules  
The dual mean square detector is offered in an 8-bump  
micro SMD 1.5 x 1.5 x 0.6 mm package. This micro SMD  
package has the smallest footprint and height.  
Typical Application  
20127801  
© 2005 National Semiconductor Corporation  
DS201278  
www.national.com  
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