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Less than 10W

HT6881-4.7W Mono Class D
  • HT6881-4.7W Mono Class D

HT6881-4.7W Mono Class D

HT6881 is a low EMI single channel unfiltered Class D audio power amplifier that prevents clipping distortion. It outputs 4.7W power under 6.5V power supply, 10% THD+N, and 4 Ω load conditions, maintaining high efficiency in various audio terminal applications and providing the performance of Class AB amplifiers. The biggest feature of HT6881 is its anti clipping distortion (ACF) output control function, which can detect and suppress output signal clipping distortion (broken sound) caused by excessive amplitude of input music and voice signals. It can also adaptively prevent output clipping caused by power voltage drop in battery applications, significantly improving sound quality, creating a very comfortable listening experience, and protecting the speaker from overload damage. At the same time, the chip has ACF-Off mode.
    1. Anti Clipping Function (ACF)
    2. AB class/D class switching
    3. Excellent full bandwidth EMI suppression performance
    4. Filter free digital modulation, directly driving the speaker
    5. Output power 1.4W (VDD=3.6V, RL=4 Ω, THD+N=10%, Class D)
    2.8W (VDD=5.0V, RL=4 Ω, THD+N=10%, Class D)
    4.7W (VDD=6.5V, RL=4 Ω, THD+N=10%, Class D)
    2.5W (VDD=5.0V, RL=4 Ω, THD+N=10%, Class AB)
    6. High signal-to-noise ratio SNR: 95dB (VDD=6.5V, Av=24dB, THD+N=1%)
    7. Low static current (Class D) 2.65mA (VDD=3.6V) 3.25mA (VDD=5.0V) 4.00mA (VDD=6.5V)
    8. Low shutdown current:<1 µ A
    9. Overcurrent protection and automatic recovery function
    10. Overheat protection and undervoltage abnormal protection functions
    11. Lead free and halogen-free packaging, DFN8L, MSOP8, SOP8, and SOP8-PP
    Please submit your basic information, we will contact you as soon as possible!

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