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HT8693
10W Anti-Clipping Mono Class D Audio Amplifier 9W Mono Class AB Audio Amplifier
HT8693 is a filter-less Mono audio power amplifier IC with choice of Class D or Class AB mode. Operating in Class D mode, HT8693 can provide maximum output power of 10W at VDD = 8.5V, THD+N = 10%, RL = 4Ω. Operating in Class AB mode, HT8693 can provide maximum output power of 9W at VDD = 8.5V, THD+N = 10%, RL = 4Ω.HT8693 features Anti-Clipping Function (ACF) which detects output signal clip due to the over input signal and suppresses the output signal clip automatically. Also the ACF function can adapt the output clip caused by power supply voltage down with battery. It can significantly improves the sound quality, creating a very comfortable musical enjoyment, and to protect the speakers from overload damage. It also supplies ACF OFF mode.HT8693 has a filter-less modulation circuit which directly drives speakers while realizes low distortion and low noise characteristics. Thanks to filter-less, circuit design with fewer external parts can be made in portable applications.HT8693 has the independent Shutdown functionwhichcanminimizethepower consumption at standby function. As for protection function, over current protection function for speakeroutputterminals,overtemperature protection function, and low supply voltage malfunction preventing function are also prepared.
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 FEATURE
  • Anti-Clipping Function (ACF)
  • Filter-less Modulation, Eliminating Output Filter
  • Output Power

    10W (Class D,VDD=8.5V, RL=4Ω, THD+N=10%)

    9W (Class AB,VDD=8.5V, RL=4Ω, THD+N=10%)

  • Over Current Protection, Thermal Protection, Low voltage malfunction
    prevention function included

  • Pb-Free Packages,SOP8L-PP


APPLICATIONS
  • Bluetooth Speakers
  • Portable Speakers
  • 2.1 Channel Speakers
  • Megaphone
  • iphone/ipod/ipod docking
  • LCD TV/Monitor
  • Tablet PC/Note Book
  • Portable Gamers
  • Outdoor Speakers
  • MP4/GPS


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HT8693SOP8L-PPNameI/OFunction
1ABDIClass AB / D control mode
2CTRLIShutdown and ACF control terminal
3VDDPowerPower supply
4OUT-ONegative output terminal (BTL-)
5GNDGroundGround
6OUT+OPositive output terminal (BTL+)
7IN+APositive input terminal (differential +)
8IN-ANegative input terminal (differential -)
                                                    *1  I: Input terminal O: Output terminal A: Analog terminal 


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