Diodes Incorporated

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PAM8301 (Not Recommended for new design)

NRND = Not Recommended for New Design

1.5W Mono Class D

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The PAM8301 is a 1.5W Class-D mono audio amplifier. Its low THD+N feature offers high quality sound reproduction. The new filterless architecture allows the device to drive speaker directly instead of using low-pass output filters, therefore saving system cost and PCB area. With the same number of external components, the efficiency of the PAM8301 is much better than that of Class-AB cousins. It can optimize battery life thus is ideal for portable applications. The PAM8301 is available in TSOT26 package.


  • 1.5W Output at 10% THD with a 8Ω Load and 5V Power Supply
  • Filterless, Low Quiescent Current and Low EMI
  • High Efficiency up to 88%
  • Superior Low Noise
  • Short Circuit Protection
  • Thermal Shutdown
  • Few External Components to Save Space and Cost
  • Tiny TSOT26 Package
  • Pb-Free Package
  • Application(s)

  • PMP/MP4
  • GPS
  • Portable Speakers
  • Walkie Talkie
  • Handsfree Phones/Speaker Phones
  • Cellular Phones
  • Product Specifications

    Product Parameters

    Anti-Sat No
    Compliance (Only Automotive supports PPAP) No
    BTL Yes
    Class-D or AB D
    Efficiency (%) 88
    Gain Max 24
    Gain Min N/A
    Headphone Out No
    IQ (mA) 4
    Maximum VDD (V) 5.5
    Minimum VDD 2.5
    Minimum VDD (V) 2.5
    Mono or Stereo Mono
    Power Limit No
    Power/CH (W) @ THD=1% 1.2
    Power/CH (W) @ THD=10% 1.5
    PSRR 50
    AEC Qualified No
    SE No
    SNR 78
    Special Features N/A
    Volume/ Gain Fixed

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