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LM4832MX/NOPB PDF预览

LM4832MX/NOPB

更新时间： 2024-02-14 18:41:41
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
21页 663K
描述
2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28, SOIC-28

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LM4832MX/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：SOIC
包装说明：SOP, SOP28,.4针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.64
Is Samacsys：N其他特性：MICROPHONE PREAMPLIFIER STAGE IS ALSO AVAILABLE
信道分离：90 dB商用集成电路类型：TONE CONTROL CIRCUIT
谐波失真：10%JESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：17.9 mm
湿度敏感等级：2频带数量：2
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：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP28,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
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：2.65 mm
子类别：Audio/Video Amplifiers最大压摆率：21 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.5 mmBase Number Matches：1

LM4832MX/NOPB 数据手册

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OBSOLETE  
LM4832  
www.ti.com  
SNAS003E –FEBRUARY 1998–REVISED APRIL 2013  
LM4832  
Digitally Controlled Tone and Volume Circuit with  
Stereo Audio Power Amplifier, Microphone Preamp Stage and Texas Instruments 3D  
Sound  
Check for Samples: LM4832  
1
FEATURES  
DESCRIPTION  
The LM4832 is a monolithic integrated circuit that  
provides volume and tone (bass and treble) controls  
as well as a stereo audio power amplifier capable of  
producing 250 mW (typ) into 8Ω or 90 mW (typ) into  
32Ω with less than 1.0% THD. In addition, a two input  
microphone preamp stage, with volume control,  
capable of driving a 1 kΩ load is implemented on  
chip.  
23  
•
Independent Left and Right Output Volume  
Controls  
•
•
•
•
•
Treble and Bass Control  
Texas Instruments 3D Sound  
I2C Compatible Interface  
Two Microphone Inputs with Selector  
Software Controlled Shutdown Function  
The LM4832 also features Texas Instruments' 3D  
Sound circuitry which can be externally adjusted via a  
simple RC network. For maximum system flexibility,  
the LM4832 has an externally controlled, low-power  
consumption shutdown mode, and an independent  
mute for power and microphone amplifiers .  
APPLICATIONS  
•
•
Multimedia Monitors  
Portable and Desktop Computers  
Boomer® audio integrated circuits were designed  
specifically to provide high quality audio while  
requiring few external components. Since the  
LM4832 incorporates tone and volume controls, a  
stereo audio power amplifier and a microphone  
preamp stage, it is optimally suited to multimedia  
monitors and desktop computer applications.  
KEY SPECIFICATIONS  
•
•
•
•
•
•
Output Power at 10% into 8Ω, 350mW (Typ)  
Output Power at 10% into 32Ω, 100mW (Typ)  
THD+N at 75mW into 32Ω at 1kHz, 0.5% (Max)  
Microphone Input Referred Noise, 7μV (Typ)  
Supply Current, 13mA (Typ)  
Shutdown Current, 4μA (Typ)  
Block Diagram  
Figure 1. LM4832 Block Diagram  
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.  
2
3
Boomer is a registered trademark of Rockford Corporation.  
All other trademarks are the property of their respective owners.  
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 © 1998–2013, Texas Instruments Incorporated  
 
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