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BD5471MUV_10 PDF预览

BD5471MUV_10

更新时间: 2024-11-03 06:41:55
品牌 Logo 应用领域
罗姆 - ROHM 放大器
页数 文件大小 规格书
22页 516K
描述
Analog Input Stereo Class-D Speaker Amplifier

BD5471MUV_10 数据手册

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Small-sized Class-D Speaker Amplifiers  
Analog Input  
Stereo Class-D Speaker Amplifier  
BD5471MUV  
No.10101EAT03  
Description  
BD5471MUV is a low voltage drive class-D stereo speaker amplifier that was developed for note-book PC, cellular phone,  
mobile audio products and the others. LC filters of speaker outputs are unnecessary, and only 7 external components are  
needed for speaker system. Also, 3.3V regulator in BD5471MUV can use power supply for audio-codec. BD5471MUV, that  
is high-efficiency, low consumption, is suitable for application by using battery. Shutdown current is 0µA typically. Also,  
start-up time is fast from shutdown to active mode. BD5471MUV can use for some applications that change mode between  
“shutdown state” and “active state”.  
Features  
1) High power 2.3W typ. (VDD=5V, RL=4, THD+N=10%, stereo input)  
High power 1.5W typ. (VDD=5V, RL=8, THD+N=10%, stereo input)  
2) Gain selectable by the external control (6, 12, 18, 24dB)  
3) Pop noise suppression circuitry  
4) Standby function (Mute function) [ISD=0uA]  
5) Protection circuitry (Short protection [Audio, REG], Thermal shutdown, Under voltage lockout)  
6) Built-in 3.3V regulator  
7) Built-in BEEP detect circuitry  
8) Very small package VQFN024V4040  
Applications  
Notebook computers,Mobile electronic applications,Mobile phones,PDA etc.  
Absolute Maximum Ratings(Ta=+25)  
Parameter  
Symbol  
VDD  
Ratings  
7.0  
Unit  
V
Power Supply Voltage  
0.7 *1  
2.2 *2  
W
W
V
Power Dissipation  
Pd  
Storage Temperature Range  
Input Voltage Range *3  
Tstg  
Vin  
-55 ~ +150  
-0.3 ~ VDD+0.3  
-0.3 ~ VDD+0.3  
Control Terminal  
Input Voltage Range *4  
Vctl  
V
*1  
74.2mm×74.2mm×1.6mm, FR4 1-layer glass epoxy board(Copper on top layer 0%)  
Derating in done at 5.6mW/for operating above Ta=25. There are thermal via on the board  
4.2mm×74.2mm×1.6mm, FR4 4-layer glass epoxy board (Copper on bottom 2 and 3 layer 100%)  
input Terminal (INL+, INL-, INR+, INR-)  
*2  
*3  
*4  
Control Terminal (MUTE, G0, G1, EAPD, BEEP, REG_SD)  
Operating Conditions  
Parameter  
Symbol  
VDD  
Ratings  
Unit  
V
Power Supply Voltage  
Temperature Range  
+4.5 ~ +5.5  
Topr  
-40 ~ +85  
* These products aren’t designed for protection against radioactive rays.  
www.rohm.com  
© 2010 ROHM Co., Ltd. All rights reserved.  
2010.06 - Rev.A  
1/21  

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