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LM49321RLX/NOPB PDF预览

LM49321RLX/NOPB

更新时间： 2024-02-25 08:05:22
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
44页 1098K
描述
Audio Sub-Sys w/ Stereo DAC Mono Class AB Loudspkr Amp OCL/SE Stereo Headph Output & RF Suppression 36-DSBGA -40 to 85

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中文翻译

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LM49321RLX/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：BGA
包装说明：VFBGA, BGA36,6X6,20针数：36
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.65
其他特性：ALSO REQUIRES 2.7V TO 4V DIGITAL SUPPLY商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：R-PBGA-B36长度：3.495 mm
湿度敏感等级：1功能数量：1
端子数量：36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：VFBGA封装等效代码：BGA36,6X6,20
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3/3.3,3/5 V
认证状态：Not Qualified座面最大高度：0.725 mm
子类别：Audio/Video Amplifiers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端子形式：BALL
端子节距：0.5 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.238 mm
Base Number Matches：1

LM49321RLX/NOPB 数据手册

 浏览型号LM49321RLX/NOPB的Datasheet PDF文件第2页浏览型号LM49321RLX/NOPB的Datasheet PDF文件第3页浏览型号LM49321RLX/NOPB的Datasheet PDF文件第4页浏览型号LM49321RLX/NOPB的Datasheet PDF文件第5页浏览型号LM49321RLX/NOPB的Datasheet PDF文件第6页浏览型号LM49321RLX/NOPB的Datasheet PDF文件第7页 
LM49321, LM49321RLEVAL  
www.ti.com  
SNAS457C –SEPTEMBER 2008–REVISED MAY 2013  
LM49321  
Audio Sub-System with Stereo DAC, Mono Class  
AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression  
Check for Samples: LM49321, LM49321RLEVAL  
1
FEATURES  
DESCRIPTION  
The LM49321 is an integrated audio sub-system  
designed for mono voice, stereo music cell phones  
connecting to base band processors with mono  
differential analog voice paths. Operating on a 3.3V  
2
•
8-Bit Stereo DAC with up to 192kHz Sampling  
Rate  
•
•
•
•
•
•
•
Multiple Distinct Output Modes  
Mono Class AB Speaker Amplifier  
Stereo OCL/SE Headphone Amplifier  
Mono Earpiece Amplifier  
supply, it combines  
delivering 520mW into an 8Ω load,  
a
mono speaker amplifier  
stereo  
a
headphone amplifier delivering 36mW per channel  
into a 32Ω load, and a mono earpiece amplifier  
delivering 55mW into a 32Ω load. The headphone  
amplifier can be configured for output capacitor-less  
(OCL) or single-ended (SE) mode. It integrates the  
audio amplifiers, volume control, mixer, and power  
management control all into a single package. In  
addition, the LM49321 routes and mixes the single-  
ended stereo and differential mono inputs into  
multiple distinct output modes. The LM49321 features  
an I2S serial interface for full range audio and an I2C  
or SPI compatible interface for control. The full range  
music path features an SNR of 85dB with up to  
192kHz playback.  
Differential Mono Analog Input  
Single-Ended Analog Inputs  
Independent Loudspeaker, Headphone and  
Mono Earpiece Volume controls  
I2C/SPI (Selectable) Compatible Interface  
•
•
•
Ultra Low Shutdown Current  
Click and Pop Suppression Circuit  
APPLICATIONS  
•
•
•
•
Cell Phones  
PDAs  
Boomer audio power amplifiers are designed  
specifically to provide high quality output power with a  
minimal amount of external components.  
Laptop Computers  
Portable Devices  
KEY SPECIFICATIONS  
•
•
•
POUT LS, 8Ω, 3.3V, 1% THD+N: 520 mW (Typ)  
POUT HP, 32Ω, 3.3V, 1% THD+N: 36 mW (Typ)  
POUT Mono Earpiece, 32Ω, 1% THD+N: 55 mW  
(Typ)  
•
•
Shutdown Current: 0.6 µA (Typ)  
SNR (DAC + Amplifier): 85 dB (Typ)  
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
All 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 © 2008–2013, Texas Instruments Incorporated  
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