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Eutech(德信科技)3W立体声音频功放芯片EUA6011A兼容TPA6011
DESCRIPTION    
      The EUA6011A is a stereo audio power amplifier that drives 3W/channel of continuous RMS power into a 3-Ω load. Advanced dc volume control minimizes external components and allows BTL (speaker) volume control and SE (headphone) volume control. In addition , a Fade Mode ramps the volume up and down to ensure a smooth transition between active and shutdown modes.    
  
FEATURE   
* Advanced DC Volume Control With 2-dB Steps From -40 dB to 20 dB    
- Fade Mode     
- Maximum Volume Setting for SE Mode Allows a difference between BTL Gain and SE Gain    
* 3 W into 3-Ω Speakers    
* Stereo Input MUX  
* Differential Inputs   
* RoHS Compliant and 100% Lead (Pb)-Free  
     
APPLICATIONS  
Notebook PC   
LCD Monitors  
Pocket PC   
    
PIN FUNCTION

 


TYPICAL APPLICATION CIRCUIT

 
Figure 1. Application circuit using single-ended inputs and input MUX 


Figure 2. Application circuit using differential inputs




2006-3-24