Diodes Incorporated
SO 16

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3W Stereo Class D with DC Volume Control, NCPL and Anti-Saturation

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The PAM8008 is a 3W, Class-D audio amplifier. Advanced 64-step DC volume control minimizes external components and allows speaker volume control. Integrated power limit technology which suppress the output signal clip automatically due to the over level input signal. It offers low THD+N and protect speaker. Integrated anti-saturation technology which suppress the output signal clip automatically when supply voltage changes. It offers low THD+N, to produce high-quality sound reproduction. PAM8008 has an additional noise reduction circuit which achieves 6dB noise attenuation. This circuit may help eliminate external filtering, thereby saving the board space and components cost. The PAM8008 features SCP (short circuit protection), OTP and thermal shutdown. The PAM8008 is available in SOP-16L package.


  • 3W Output at 10% THD with a 4 Load and 5V Power Supply
  • 2.4W Output at 1% THD with a 4 Load and 5V Power Supply
  • Filterless, Low Quiescent Current and Low EMI
  • Low THD+N
  • Power Limit Function to Protect Speaker when Occuring Large Input
  • 64-Step DC Volume Control from -80dB to +20dB
  • 6dB Effective Noise Reduction
  • Superior Low Noise: 60μV
  • Minimize Pop/Clip Noise
  • High Efficiency Up to 90%
  • Auto Recovery Short Circuit Protection
  • Thermal Shutdown
  • Pb-Free Package
  • Application(s)

  • LCD Monitors / TV Projectors
  • Notebook/All-In-One Computers
  • Portable Speakers
  • Portable DVD Players, Game Machines
  • Product Specifications

    Product Parameters

    Minimum VDD (V) 2.5
    Compliance (Only Automotive supports PPAP) Standard
    AEC Qualified No
    Maximum VDD (V) 5.5 V
    IQ (mA) 8 mA
    Power/CH (W) @ THD=10% 3
    Power/CH (W) @ THD=1% 2.4
    Mono or Stereo Stereo
    BTL Yes
    SE No
    Class-D or AB D
    Power Limit Yes
    Anti-Sat No
    Headphone Out No
    Efficiency (%) 87 %
    Volume/ Gain 64Step DC
    Gain Min -59 dB
    Gain Max 20 dB
    SNR 95 dB
    PSRR 70 dB
    Special Features N/A

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    Technical Documents

    Evaluation Boards and User Guides

    Recommended Soldering Techniques


    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