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LM4842LQ/NOPB PDF预览

LM4842LQ/NOPB

更新时间： 2024-11-10 10:32:07
品牌 Logo 应用领域
德州仪器 - TI 商用集成电路
页数 文件大小 规格书
31页 1685K
描述
2 CHANNEL(S), TONE CONTROL CIRCUIT, QCC28, LLP-28

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中文翻译

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LM4842LQ/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC28,.2SQ,20针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.81
信道分离：65 dB商用集成电路类型：TONE CONTROL CIRCUIT
JESD-30 代码：S-XQCC-N28JESD-609代码：e3
长度：5 mm湿度敏感等级：3
频带数量：1信道数量：2
功能数量：1端子数量：28
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：HVQCCN
封装等效代码：LCC28,.2SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Audio/Video Amplifiers
最大压摆率：30 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.7 V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：QUAD处于峰值回流温度下的最长时间：40
宽度：5 mm

LM4842LQ/NOPB 数据手册

 浏览型号LM4842LQ/NOPB的Datasheet PDF文件第2页浏览型号LM4842LQ/NOPB的Datasheet PDF文件第3页浏览型号LM4842LQ/NOPB的Datasheet PDF文件第4页浏览型号LM4842LQ/NOPB的Datasheet PDF文件第5页浏览型号LM4842LQ/NOPB的Datasheet PDF文件第6页浏览型号LM4842LQ/NOPB的Datasheet PDF文件第7页 
October 2006  
LM4842  
Stereo 2W Amplifiers with DC Volume Control, Input  
MUX, Transient Free Outputs, and Cap-less Headphone  
Drive  
General Description  
Key Specifications  
n PO at 1% THD+N  
The LM4842 is a monolithic integrated circuit that provides  
DC volume control, and stereo bridged audio power amplifi-  
ers capable of producing 2W into 4Ω (Note 1) or 2.2W into  
3Ω (Note 2) with less than 1.0% THD+N.  
n
n
n
into 3Ω (MH and LQ)  
into 4Ω (MH and LQ)  
into 8Ω (MT, MH, and LQ)  
2.2W(typ)  
2.0W(typ)  
1.1W(typ)  
1.0%(typ)  
0.2µA(typ)  
Boomer® audio integrated circuits were designed specifically  
to provide high quality audio while requiring a minimum  
amount of external components. The LM4842 incorporates a  
DC volume control, stereo bridged audio power amplifiers,  
new cap-less headphone driver circuit (patent pending), se-  
lectable gain or bass boost, and an input mux making it  
optimally suited for multimedia monitors, portable radios,  
desktop, and portable computer applications.  
n Single-ended THD+N at 85mW into 32Ω  
n Shutdown current (Shutdown Low)  
Features  
n Stereo headphone amplifier mode that eliminates the  
Output Coupling Capacitors (patent pending)  
n Advanced “click and pop” suppression circuitry  
n Acoustically Enhanced DC Volume Control Taper  
n 2 Channel Stereo Input MUX  
The LM4842 features an externally controlled, low-power  
consumption shutdown mode (Shutdown Low), and both a  
power amplifier and headphone mute for maximum system  
flexibility and performance.  
Note 1: When properly mounted to the circuit board, the LM4842MH will  
deliver 2W into 4Ω. The LM4842MT will deliver 1.1W into 8Ω. See the  
Application Information section for LM4842MH usage information.  
n System Beep Detect  
n Stereo switchable bridged/single-ended power amplifiers  
n Selectable internal/external gain and bass boost  
n Thermal shutdown protection circuitry  
Note 2: An LM4842MH that has been properly mounted to the circuit board  
and forced-air cooled will deliver 2.2W into 3Ω.  
Applications  
n Portable and Desktop Computers  
n Multimedia Monitors  
n Portable Radios, PDAs, and Portable TVs  
Connection Diagrams  
TSSOP Package  
20028102  
Top View  
Order Number LM4842MT  
See NS Package Number MTC28 for TSSOP  
Order Number LM4842MH  
See NS Package Number MXA28A for Exposed-DAP TSSOP  
Boomer® is a registered trademark of NationalSemiconductor Corporation.  
© 2006 National Semiconductor Corporation  
DS200281  
www.national.com  
1234567...31

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与LM4842LQ/NOPB相关器件

型号 品牌 获取价格 描述 数据表
LM4842MH NSC

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 		Stereo 2W Amplifiers with DC Volume Control Transient Free Outputs, and Cap-less Headphone
LM4842MH/NOPB TI

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 		2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28, TSSOP-28
LM4842MT NSC

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 		Stereo 2W Amplifiers with DC Volume Control Transient Free Outputs, and Cap-less Headphone
LM4842MT/NOPB TI

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 		2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28, TSSOP-28
LM4842MTX TI

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 		2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28, TSSOP-28
LM4843 NSC

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 		Stereo 2W Audio Power Amplifiers with DC Volume Control
LM4843MH NSC

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 		Stereo 2W Audio Power Amplifiers with DC Volume Control
LM4843MHX TI

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 		IC 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20, TSSOP-20, Audio Control IC
LM4844 NSC

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 		Stereo 1.2W Audio Sub-system with 3D Enhancement
LM4844_07 NSC

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 		Stereo 1.2W Audio Sub-System with 3D Enhancement

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