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BLM18EG121SN1 PDF预览

BLM18EG121SN1

更新时间： 2024-01-23 05:05:05
品牌 Logo 应用领域
德州仪器 - TI 转换器音频放大器输出元件升压转换器
页数 文件大小 规格书
28页 875K
描述
2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER

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BLM18EG121SN1 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：0603
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8504.50.80.00风险等级：5.24
其他特性：MONOLITHIC TYPE外壳代码：0603
构造：Chip Bead最大直流电阻：0.04 Ω
滤波器类型：FERRITE CHIP最大频率：1000 MHz
最小频率：100 MHz高度：0.8 mm
JESD-609代码：e3长度：1.6 mm
材料：Ferrite安装类型：SURFACE MOUNT
功能数量：1最高工作温度：125 °C
最低工作温度：-55 °C输出阻抗：145 OHM Ω
包装方法：TAPE物理尺寸：L1.6XB0.8XH0.8 (mm)/L0.063XB0.031XH0.031 (inch)
额定电流：2 A子类别：Other Filters
端子面层：Tin (Sn)宽度：0.8 mm
Base Number Matches：1

BLM18EG121SN1 数据手册

 浏览型号BLM18EG121SN1的Datasheet PDF文件第2页浏览型号BLM18EG121SN1的Datasheet PDF文件第3页浏览型号BLM18EG121SN1的Datasheet PDF文件第4页浏览型号BLM18EG121SN1的Datasheet PDF文件第5页浏览型号BLM18EG121SN1的Datasheet PDF文件第6页浏览型号BLM18EG121SN1的Datasheet PDF文件第7页 
TPA2013D1  
www.ti.com  
SLOS520–AUGUST 2007  
2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED  
BOOST CONVERTER  
1
FEATURES  
APPLICATIONS  
•
•
•
•
Cell Phones  
PDA  
GPS  
•
High Efficiency Integrated Boost Converter  
(Over 90% Efficiency)  
•
•
•
•
•
2.2-W into an 8-Ω Load from a 3.6-V Supply  
2.7-W into an 4-Ω Load from a 3.6-V Supply  
Operates from 1.8 V to 5.5 V  
Portable Electronics  
DESCRIPTION  
Efficient Class-D Prolongs Battery Life  
The TPA2013D1 is a high efficiency Class-D audio  
power amplifier with an integrated boost converter. It  
drives up to 2.7 W (10% THD+N) into a 4 Ω speaker.  
With 85% typical efficiency, the TPA2013D1 helps  
extend battery life when playing audio.  
Independent Shutdown for Boost Converter  
and Class-D Amplifier  
•
•
Differential Inputs Reduce RF Common Noise  
Built-in INPUT Low Pass Filter Decreases RF  
and Out of Band Noise Sensitivity  
The built-in boost converter generates the voltage rail  
for the Class-D amplifier. This provides a louder  
audio output than a stand-alone amplifier connected  
directly to the battery. It also maintains a consistent  
loudness, regardless of battery voltage. Additionally,  
the boost converter can be used to supply external  
devices.  
•
Synchronized Boost and Class-D Eliminates  
Beat Frequencies  
•
•
Thermal and Short-Circuit Protection  
Available in 2.275 mm x 2.275 mm 16-ball  
WCSP and 4 mm x 4 mm 20-Lead QFN  
Packages  
The TPA2013D1 has an integrated low pass filter to  
improve RF rejection and reduce out-of-band noise,  
increasing the signal to noise ratio (SNR). A built-in  
PLL synchronizes the boost converter and Class-D  
switching frequencies, thus eliminating beat  
frequencies and improving audio quality. All outputs  
are fully protected against shorts to ground, power  
supply, and output-to-output shorts.  
•
3 Selectable Gain Settings of 2 V/V, 6 V/V, and  
10 V/V  
R1  
50 kΩ  
R2  
500 kΩ  
22 mF  
1 mF  
2.2 to 6.2 mH  
To Battery  
10 mF  
VDD  
SW VCCFB VCCOUT VCCIN  
CIN  
1 mF  
CIN  
IN–  
Differential  
Input  
VOUT+  
IN+  
TPA2013D1  
VOUT–  
Gain (VCC/Float/GND)  
GAIN  
ShutDown Boost  
SDb  
SDd  
GPIO  
ShutDown ClassD  
AGND  
PGND  
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.  
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, Texas Instruments Incorporated  
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