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2.5W Stereo Class D with DC Volume Control

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The PAM8003 is a 2.5W, Class-D audio amplifier. It offers low THD+N, allowing it to achieve high quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8003 is much better than that of class-AB cousins. It can extend the battery life, ideal for portable applications. The PAM8003 is available in SOP-16L package


  • 2.5W Output at 10% THD with a 5Ω Load and 5V Power Supply
  • Filterless, Low Quiescent Current and Low EMI
  • Low THD+N
  • 64-Step DC Volume Control
  • Superior Low Noise
  • Short Circuit Protection
  • Thermal Shutdown
  • Few External Components to Save the Space and Cost
  • RoHS Pass and Green Package


  • LCD Monitors / TV
  • Notebook Computers
  • Portable Speakers
  • Portable DVD Players, Game Machines

Product Specifications

Product Parameters

Minimum VDD (V) 2.5
AEC Qualified No
Maximum VDD (V) 5.5 V
IQ (mA) 4 mA
Power/CH (W) @ THD=10% 2.7
Power/CH (W) @ THD=1% 2.2
Mono or Stereo Stereo
Class-D or AB D
Power Limit No
Anti-Sat No
Headphone Out No
Efficiency (%) 87 %
Volume/ Gain 65Step DC
Gain Min -75 dB
Gain Max 24 dB
SNR 86 dB
PSRR 70 dB
Special Feature N/A

Related Content


Technical Documents

Evaluation Boards and User Guides

Recommended Soldering Techniques


Orderable Part Number Buy from Distributor / Contact Sales Request Samples


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 629 10/4/2022 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 2500 10/3/2022 Europe, Asia, North America Buy Now
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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site