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LM4992SDX/NOPB PDF预览

LM4992SDX/NOPB

更新时间: 2024-01-29 01:28:00
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管商用集成电路
页数 文件大小 规格书
23页 941K
描述
AUDIO AMPLIFIER

LM4992SDX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SON, SOLCC14,.12,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.51商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:R-PDSO-N14JESD-609代码:e3
湿度敏感等级:1功能数量:2
端子数量:14最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SON封装等效代码:SOLCC14,.12,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:2.6/5 V
认证状态:Not Qualified子类别:Audio/Video Amplifiers
最大压摆率:18 mA表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
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:NOT SPECIFIED
Base Number Matches:1

LM4992SDX/NOPB 数据手册

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LM4992, LM4992SDBD  
www.ti.com  
SNAS220B NOVEMBER 2003REVISED MAY 2013  
LM4992  
420mW Stereo Cell Phone Audio Amplifier  
Check for Samples: LM4992, LM4992SDBD  
1
FEATURES  
DESCRIPTION  
The LM4992 is a stereo audio power amplifier  
primarily designed for demanding applications in  
mobile phones and other portable communication  
device applications. It is capable of delivering 1 watt,  
per channel, of continuous average power to an 8  
BTL load with less than 1% distortion (THD+N) from  
a 5VDC power supply.  
2
Available in Space-Saving WSON Package  
Ultra Low Current Shutdown Mode  
BTL Output Can Drive Capacitive Loads  
Improved Click and Pop Circuitry Eliminates  
Noise During Turn-On and Turn-Off  
Transitions  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4992 does not require output coupling capacitors  
or bootstrap capacitors, and therefore is ideally suited  
for mobile phone and other low voltage applications  
where minimal power consumption is a primary  
requirement.  
2.2 - 5.5V Operation  
No Output Coupling Capacitors, Snubber  
Networks or Bootstrap Capacitors Required  
Unity-Gain Stable  
External Gain Configuration Capability  
APPLICATIONS  
The LM4992 features independent shutdown control  
for each channel and a low-power consumption  
shutdown mode, which is achieved by driving both  
shutdown pins with logic low. Additionally, the  
LM4992 features an internal thermal shutdown  
protection mechanism.  
Mobile Phones  
PDAs  
Portable Electronic Devices  
KEY SPECIFICATIONS  
Improved PSRR at 217Hz & 1KHz: 64 dB  
(1KHz)  
The LM4992 contains advanced click and pop  
circuitry which eliminates noise which would  
otherwise occur during turn-on and turn-off  
transitions.  
Stereo Output Power at 5.0V, 1% THD, 8:  
1.07 W (typ)  
The LM4992 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Stereo Output Power at 3.3V, 1% THD, 8:  
420 mW (typ)  
Shutdown Current, Vdd = 3.3V: 0.2 µA (typ)  
Connection Diagram  
14 Pin WSON (Top View)  
See Package Number NHK0014A  
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  

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