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10-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3125)


  • 10-W/Ch (stereo SE) into an 8-Ω Load From a 24-V Supply
  • 20-W/Ch (mono BTL) into an 8-Ω Load from a 24-V Supply
  • Operates From 10 V to 26 V
  • Operates From +24 V LCD Backlight Supply
  • Efficient Class-D Operation Eliminates Need for Heat Sinks
  • Four Selectable, Fixed-Gain Settings
  • Single-Ended Analog Inputs
  • Thermal and Short-Circuit Protection With Auto Recovery
  • 20-Pin DIP Package
  • Advanced Power-Off Pop Reduction
    • Flat Panel Televisions
    • DLP TVs
    • CRT TVs
    • Powered Speakers

DLP Is a trademark of Texas Instruments
System Two, Audio Precision are trademarks of Audio Precision, Inc.


The TPA3125D2 is a 10-W (per channel), efficient, class-D audio power amplifier for driving stereo speakers in a single-ended configuration; or, a mono speaker in a bridge-tied-load configuration. The TPA3125D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3125D2 eliminates the need for an external heat sink when playing music. The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, and 36 dB.

The patented start-up and shutdown sequences minimize pop noise in the speakers without additional circuitry.

The thru-hole package allows placement on single-sided printed circuit boards.

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Based in Southern China Shenzhen City, Shenzhen Leading Chips Electronic and Technology Co., Ltd. supplies electronic components to OEMs and other high tech firms. Meanwhile we are an innovating PCB assembly manufacturer supporting lots of companies from lots of areas. Our experienced professional staff could find you exactly what you looking for or provide a solution for your project.

Sourcing our own extensive inventory, ranging from the latest technology to hard-to-find components, and ... View detail

Basic Information

Product/Service (We Sell): OEM module,Development solution,PCB board,Cypress IC,touch screen  
Number of Employees: 11 - 50 People  

Trade & Market

Main Markets: Western Europe
Eastern Asia
Mid East
Southeast Asia
Eastern Europe
South America
North America
Total Annual Sales Volume: Above US$100 Million  
Export Percentage: 51% - 60%  

Factory Information

Number of R&D Staff: 5 - 10 People  

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China (Mainland) | Trading Company | Contact Details
Experience: Established 2007

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Ms. ANVI Liu
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