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LM49370RLX-NOPB PDF预览

LM49370RLX-NOPB

更新时间： 2024-01-13 19:31:54
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器PC蓝牙
页数 文件大小 规格书
89页 2268K
描述
Boomer® Audio Power Amplifier Series Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode Stereo Headphone Amplifier, and a Dedicated PCM Interface for Bluetooth Transceivers

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LM49370RLX-NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：VFBGA, BGA49,7X7,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
Factory Lead Time：1 week风险等级：7.57
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：S-XBGA-B49
JESD-609代码：e2长度：3.88 mm
湿度敏感等级：1功能数量：1
端子数量：49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：VFBGA封装等效代码：BGA49,7X7,20
封装形状：SQUARE封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：1.8,3.3 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)：4.5 V
最小供电电压 (Vsup)：2.5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：TIN SILVER
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：3.88 mmBase Number Matches：1

LM49370RLX-NOPB 数据手册

 浏览型号LM49370RLX-NOPB的Datasheet PDF文件第2页浏览型号LM49370RLX-NOPB的Datasheet PDF文件第3页浏览型号LM49370RLX-NOPB的Datasheet PDF文件第4页浏览型号LM49370RLX-NOPB的Datasheet PDF文件第5页浏览型号LM49370RLX-NOPB的Datasheet PDF文件第6页浏览型号LM49370RLX-NOPB的Datasheet PDF文件第7页 
LM49370  
www.ti.com  
SNAS356D –FEBRUARY 2007–REVISED MARCH 2012  
LM49370 Boomer® Audio Power Amplifier Series Audio Sub-System with an Ultra Low  
EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode Stereo Headphone  
Amplifier, and a Dedicated PCM Interface for Bluetooth Transceivers  
Check for Samples: LM49370  
1
FEATURES  
•
•
16 Step Volume Control for Microphone in 2  
dB Steps  
2
•
Spread Spectrum Class D Architecture  
Reduces EMI  
Programmable Sidetone Attenuation in 3 dB  
Steps  
•
•
•
•
•
•
•
•
•
•
Mono Class D 8Ω Amplifier, 490 mW at 3.3V  
OCL or AC-Coupled Headphone Operation  
33mW Stereo Headphone Amplifier at 3.3V  
115 mW Earpiece Amplifier at 3.3V  
18-bit Stereo DAC  
•
•
•
•
Two Configurable GPIO Ports  
Multi-Function IRQ Output  
Micro-Power Shutdown Mode  
Available in the 4 x 4 mm 49 Bump DSBGA  
Package  
16-bit Mono ADC  
•
Key Specifications  
8 kHz to 192 kHz Stereo Audio Playback  
8 kHz to 48 kHz Mono Recording  
Bidirectional I2S Compatible Audio Interface  
–
PHP (AC-COUP) (A_VDD = 3.3V, 32Ω, 1% THD) 33  
mW  
–
PHP (OCL) (A_VDD = 3.3V, 32Ω, 1% THD) 31  
Bidirectional PCM Compatible Audio Interface  
for Bluetooth Transceivers  
I2S-PCM Bridge with Sample Rate Conversion  
mW  
–
–
–
–
–
–
–
PLS ( LS_VDD = 5V, 8Ω, 1% THD) 1.2 W  
PLS (LS_VDD = 4.2V, 8Ω, 1% THD) 900 mW  
PLS (LS_VDD = 3.3V, 8Ω, 1% THD) 490 mW  
Shutdown Current 0.8 µA  
•
•
Sigma-Delta PLL for Operation from Any Clock  
at Any Sample Rate  
•
•
Digital 3D Stereo Enhancement  
PSRRLS (217 Hz, LS_VDD = 3.3V) 70 dB  
SNRLS (AUX IN to Loudspeaker) 90 dB (typ)  
FIR Filter Programmability for Simple Tone  
Control  
SNRDAC (Stereo DAC to AUXOUT) 85 dB  
(typ)  
•
•
Low Power Clock Network Operation if a 12  
MHz or 13 MHz System Clock is Available  
Read/Write I2C or SPI Compatible Control  
Interface  
–
–
SNRADC (Mono ADC from Cell Phone In) 90  
dB (typ)  
SNRHP (Aux In to Headphones) 98 dB (typ)  
•
•
•
•
Automatic Headphone & Microphone Detection  
Support for Internal and External Microphones  
Automatic Gain Control for Microphone Input  
APPLICATIONS  
•
•
•
Smart Phones  
Differential Audio I/O for External Cellphone  
Module  
Mobile Phones and Multimedia Terminals  
PDAs, Internet Appliances and Portable  
Gaming  
•
•
•
Mono Differential Auxiliary Output  
Stereo Auxiliary Inputs  
•
•
Portable DVD/CD/AAC/MP3 Players  
Digital Cameras/Camcorders  
Differential Microphone Input for Internal  
Microphone  
•
•
Flexible Audio Routing from Input to Output  
32 Step Volume Control for Mixers in 1.5 dB  
Steps  
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 © 2007–2012, Texas Instruments Incorporated  
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