Datasheet > LMV242MWA

LMV242MWA

更新时间： 2024-11-03 22:47:03

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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LMV242MWA 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	DIE,	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.84
JESD-30 代码：	R-XUUC-N10	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：	DIE
封装形状：	RECTANGULAR	封装形式：	UNCASED CHIP
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
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	端子形式：	NO LEAD
端子位置：	UPPER	处于峰值回流温度下的最长时间：	40

LMV242MWA 数据手册

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 R_Xslot

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.

DS200795

www.national.com

12 3 4 5 6 7...16

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与LMV242MWA相关器件

型号	品牌	获取价格	描述	数据表
LMV243	NSC	获取价格	Single-Channel, Quad-Band GSM Power Controller in micro SMD
LMV243BL	NSC	获取价格	Single-Channel, Quad-Band GSM Power Controller in micro SMD
LMV243BLX	NSC	获取价格	Single-Channel, Quad-Band GSM Power Controller in micro SMD
LMV243BLX/NOPB	TI	获取价格	SPECIALTY TELECOM CIRCUIT, PBGA8, 1.50 X 1.50 MM, 0.995 MM HEIGHT, MICRO, BUMP, SMD-8
LMV243MDA	TI	获取价格	IC,AMP POWER CONTROLLER,BIPOLAR,DIE
LMV243MDA	NSC	获取价格	IC,AMP POWER CONTROLLER,BIPOLAR,DIE
LMV248	NSC	获取价格	Dual Band GSM Power Controller
LMV248LQ	NSC	获取价格	Dual Band GSM Power Controller
LMV248LQ/NOPB	TI	获取价格	IC,AMP POWER CONTROLLER,LLCC,16PIN
LMV248LQX	NSC	获取价格	Dual Band GSM Power Controller

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