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PAM8603M (Not Recommended for new design)

NRND = Not Recommended for New Design

3W Stereo Class D with DC Volume Control

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The PAM8603M is a 3W, sterero, Class-D audio amplifier with DC volume control. It offers low THD+N, allowing it to produce highquality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, which saves the system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8603M is much better than class-AB cousins. It can extend the battery life thus ideal for portable applications. The PAM8603M is available in SSOP-24 and SOP-18 packages.


  • 3W Output at 10% THD with a 4Ω Load and 5V Power Supply
  • Filterless, Low Quiescent Current and Low EMI
  • Low THD+N
  • 64-Step DC Volume Control from -75dB to +24dB
  • Superior Low Noise
  • Efficiency up to 89%
  • Short Circuit Protection
  • Thermal Shutdown
  • Few External Components to Save the Space and Cost
  • Pb-Free Package
  • Application(s)

  • LCD Monitors/TV Projectors
  • Notebook Computers
  • Portable Speakers
  • Portable DVD Players, Game Machines
  • Cellular Phones/Speaker Phones
  • Product Specifications

    Product Parameters

    Anti-Sat No
    Compliance (Only Automotive supports PPAP) No
    BTL Yes
    Class-D or AB D
    Efficiency (%) 89
    Gain Max 24
    Gain Min -75
    Headphone Out No
    IQ (mA) 10
    Maximum VDD (V) 5.5
    Minimum VDD 2.5
    Minimum VDD (V) 2.5
    Mono or Stereo Stereo
    Power Limit No
    Power/CH (W) @ THD=1% 2.4
    Power/CH (W) @ THD=10% 3
    PSRR 75
    AEC Qualified No
    SE No
    SNR 95
    Special Features N/A
    Volume/ Gain DC

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