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LM4930LQ PDF预览

LM4930LQ

更新时间： 2024-01-22 09:07:19
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
33页 959K
描述
IC SPECIALTY CONSUMER CIRCUIT, QCC44, LLP-44, Consumer IC:Other

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中文翻译

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LM4930LQ 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：GREEN, WQFN-44Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.03Is Samacsys：N
其他特性：ALSO OPERATE WITH 2.6 TO 4.5 V DIGITAL SUPPLY商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：S-XQCC-N44JESD-609代码：e3
长度：7 mm湿度敏感等级：2
功能数量：1端子数量：44
最高工作温度：85 °C最低工作温度：-30 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装等效代码：LCC44,.28SQ,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：3.3,5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Audio/Video Amplifiers
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.6 V
表面贴装：YES温度等级：OTHER
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：NOT SPECIFIED宽度：7 mm
Base Number Matches：1

LM4930LQ 数据手册

 浏览型号LM4930LQ的Datasheet PDF文件第2页浏览型号LM4930LQ的Datasheet PDF文件第3页浏览型号LM4930LQ的Datasheet PDF文件第4页浏览型号LM4930LQ的Datasheet PDF文件第5页浏览型号LM4930LQ的Datasheet PDF文件第6页浏览型号LM4930LQ的Datasheet PDF文件第7页 
July 2003  
LM4930  
Audio Subsystem with Stereo Headphone & Mono  
Speaker Amplifiers  
General Description  
Key Specifications  
The LM4930 is an integrated audio subsystem that supports  
voice and digital audio functions. The LM4930 includes a  
high quality I2S input stereo DAC, a voice band codec, a  
stereo headphone amplifier and a high-power mono speaker  
amplifier. It is primarily designed for demanding applications  
in mobile phones and other portable devices.  
The LM4930 features an I2S serial interface for full range  
audio, a 16-bit PCM bi-directional serial interface for the  
voice band codec and an two-wire interface for control. The  
full range music path features an SNR of 86dB with a 16-bit  
48kHz input. The stereo DAC can also be used while the  
voice codec is in use. The headphone amplifier delivers  
25mWRMS to a 32Ω single-ended stereo load with less than  
0.5% distortion (THD+N) when AVDD = 3V. The mono  
speaker amplifier delivers up to 300mW into an 8Ω load with  
less than 2% distortion when AVDD = 3V.  
j
PH/P OUT at AVDD = 3.0V, 32Ω  
0.5% THD+N  
25mW (typ)  
j
PLS OUT at AVDD = 3.0V, 8Ω  
2% THD+N  
300mW (typ)  
j
Supply voltage range  
DVDD (Note 8)  
2.6V to 4.5V  
2.6V to 5.5V  
2µA (typ)  
AVDD (Note 8)  
j
j
Total shutdown current  
PSRR at 217Hz, AVDD = 3V  
50dB (typ)  
Features  
n 16-bit resolution 48kHz stereo DAC  
n 16-bit resolution 8kHz voice codec  
n I2S digital audio data serial interface  
n Two-wire serial control interface  
n PCM voice audio data serial interface  
n 25mW/channel stereo headphone amplifier  
The LM4930 employs advanced techniques to reduce power  
consumption, to reduce controller overhead and to eliminate  
click and pop. Boomer audio power amplifiers were de-  
signed specifically to provide high quality output power with  
a minimal amount of external components. It is, therefore,  
ideally suited for mobile phone and other low voltage appli-  
cations where minimal power consumption is a primary re-  
quirement.  
n 300mW mono 8Ω amplifier (at AVDD = 3.0V)  
n 32-step volume control for audio output amplifiers  
n No snubber networks or bootstrap capacitors are  
required by the headphone or hands-free amplifiers  
n Digital sidetone generation with adjustable attenuation  
n Gain controllable headphone amp, mono BTL amp, mic  
preamp  
n Available in the 36 bump micro SMD package  
Applications  
n Mobile Phones  
n Mobile/low power audio appliances  
n PDAs  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS200720  
www.national.com  
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LM4930LQ 替代型号

型号 品牌 替代类型 描述 数据表
LM4930LQ/NOPB TI

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