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LM4930ITL/NOPB PDF预览

LM4930ITL/NOPB

更新时间: 2024-11-21 13:09:23
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, PBGA36, MICRO SMD-36, Consumer IC:Other

LM4930ITL/NOPB 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:VFBGA, BGA36,6X6,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.01Is Samacsys:N
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:R-PBGA-B36
JESD-609代码:e1长度:3.408 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:-30 °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:3.3,5 V
认证状态:Not Qualified座面最大高度:0.675 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:Tin/Silver/Copper (Sn/Ag/Cu)
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:40
宽度:3.23 mmBase Number Matches:1

LM4930ITL/NOPB 数据手册

 浏览型号LM4930ITL/NOPB的Datasheet PDF文件第2页浏览型号LM4930ITL/NOPB的Datasheet PDF文件第3页浏览型号LM4930ITL/NOPB的Datasheet PDF文件第4页浏览型号LM4930ITL/NOPB的Datasheet PDF文件第5页浏览型号LM4930ITL/NOPB的Datasheet PDF文件第6页浏览型号LM4930ITL/NOPB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 32single-ended stereo load with less than  
0.5% distortion (THD+N) when AVDD = 3V. The mono  
speaker amplifier delivers up to 300mW into an 8load 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 8amplifier (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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