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BM0120 PDF预览

BM0120

更新时间: 2024-11-21 03:22:15
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3页 214K
描述
20W AUDIO CLASS D+

BM0120 数据手册

 浏览型号BM0120的Datasheet PDF文件第2页浏览型号BM0120的Datasheet PDF文件第3页 
BM0120  
20W AUDIO CLASS D+  
GENERAL DESCRIPTION  
The BM0120 is one channel audio amplifier module, using unique close loop and feed forward  
compensation techniques (CLFFC—IP belong BM) to achieve better THD+N from 20Hz to 20KHz. The  
module can deliver output power up to 35W (RMS) @4ohm load. The module has mute function with  
logic high or low control.  
The voltage gain can be adjusted in the module via fix feedback resistor, the input signal is flexible.  
No other external components from input to output, and connect to speaker directly. Friendly analog  
input interface. Very high efficiency , do not need Heat-sink under 20W(RMS)  
The BM0120 integrated mute circuit inside , it very suits for application in LCD TV , PDP TV , Projection TV and  
Car audio .  
APPLICATIONS  
Car audio -------2/4 channels  
PDP -------------2.1 channel  
Projection TV -----2.1 channel  
LCD TV--------2 channel  
DVD player  
Features  
Wide VDD input range of +9V ~ +26V  
Reduce system cost with no heat sink and save power  
Class D+ and CLFFC IP inside  
Excellent bass frequency without big bypass DC capacitor inside  
Internal thermal protection  
Connect to any passive 4 or 8 ohm speaker  
No mute on/off noise  
THD+N : <0.2%@1W / 1KHz  
SNR : 80db  
Cross noise with other channels : 80db  
Output power (RMS) is depend on the VDD and load (THD<10%)  
30W @ 4ohm /+24V  
20W @ 4ohm /+18V  
13W @ 4ohm /+12V  
15W @ 8ohm /+24V  
b=46mm  
Very slim size : 46mm*31mm  
Pin1 = Audio input  
Pin2 = A-GND  
Pin3 = GND  
Pin4 = +5V  
Pin5 = Mute control  
Pin6 = VDD (+9V ~ +25V)  
Pin7 =GND  
Gap between pin1 and a is 2.8mm  
Pin8 = Out –  
Pin9 = Out+  
Gap between pin1 and pin9 is 40.36mm  
Gap between pin1(6) and pin2(7) is 2.54mm  
Bookly Micro Electronic Limited Co  

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