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LMV242LDX

更新时间： 2024-11-03 22:12:07
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器功率放大器控制器GSM
页数 文件大小 规格书
16页 557K
描述
Dual Output, Quad-Band GSM/GPRS Power Amplifier Controller

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LMV242LDX 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：3 X 3 MM, LLP-10Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.16JESD-30 代码：S-XDSO-N10
JESD-609代码：e0长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10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：VSON封装等效代码：SOLCC10,.11,20
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：235电源：3/5 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Other Telecom ICs最大压摆率：0.015 mA
标称供电电压：2.6 V表面贴装：YES
技术：BIPOLAR电信集成电路类型：TELECOM CIRCUIT
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3 mmBase Number Matches：1

LMV242LDX 数据手册

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July 2004  
LMV242  
Dual Output, Quad-Band GSM/GPRS Power Amplifier  
Controller  
General Description  
Features  
n Support of InGaP HBT, bipolar technology  
n Quad-band operation  
The LMV242 is a power amplifier (PA) controller intended for  
use within an RF transmit power control loop in GSM/GPRS  
mobile phones. The LMV242 supports all single-supply PA’s  
including InGaP, HBT and bipolar power amplifiers. The  
device operates with a single supply from 2.6V to 5.5V.  
n Shutdown mode for power save in RX slot  
n Integrated ramp filter  
n 50 dB RF detector  
Included in the PA controller are an RF detector, a ramp filter  
and two selectable output drivers that function as error am-  
plifiers for two different bands. The LMV242 input interface  
consists two analog and two digital inputs. The analog inputs  
are the RF input, Ramp voltage input. The digital inputs  
perform the function of “Band Select” and “Shutdown/  
Transmit Enable” respectively. The “Band Select” function  
enables either of two outputs, namely OUT1 when BS =  
High, or output OUT2 when BS = Low. The output that is not  
enabled is pulled low to the minimum output voltage. The  
LMV242 is active in the case TX_EN = High. When TX_EN  
= Low the device is in a low power consumption shutdown  
mode. During shutdown both outputs will be pulled low to the  
minimum output voltage. Individual PA characteristics are  
accommodated by a user selectable external RC combina-  
tion.  
n GPRS compliant  
n External loop compensation option  
n Accurate temperature compensation  
n LLP package 3x3 mm and fully tested die sales  
Applications  
n GSM/GPRS/TDMA/TD_SCDMA mobile phone  
n Pulse RF control  
n Wireless LAN  
n GSM/GPRS power amplifier module  
n Transmit module  
The LMV242 is offered in fully tested die form as well as in a  
10-lead LLP package and is therefore especially suitable for  
small footprint PA module solutions.  
Typical Application  
20079501  
VIP® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200795  
www.national.com  
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