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Product Descriptions

HT8699 integrates a boost converter with a filter-less stereo class D audio power amplifier to provide 2 × 5.5W continuous power into a 4Ω speaker when operating from a Li-battery voltage boosted to 7V. Meanwhile, the boost output voltage is adjustable. 

Class AB amplifier mode is also available for HT8699. Once the EMI Interference from class D and Boost Converter becomes an annoying problem, HT8699 can be switched into Class AB mode. 

HT8699 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. 

HT8699 has the independent Shutdown function which can minimize the power consumption at standby and MUTE function. As for protection function, over current protection, over temperature protection function, and low supply voltage malfunction preventing function are also prepared.

Product Features

?Anti-Clipping Function (ACF) 

?Filter-less Modulation, Eliminating Output Filter 

?Output Power 

2×5.5W(VBAT=4V, PVDD = 7V, RL=4?, THD+N=10 percent) 

? -BOOST Input VBAT：2.5V to 5.5V 

 -BOOST Output PVDD：VBAT to 7.5V 

?Adjustable BOOST Output Voltage 

?Class AB /Class D available 

?Thermal Protection, Over current protection, Low voltage malfunction prevention function included 

?Pb-Free Packages，SOP16L-PP

  Product Applications

?Bluetooth Speakers

?Portable Speakers

?iPhone/iPod/iPod docking 

?Megaphone

  Specifications

Actual product photos

Product Data Book：

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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