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Original HT8698 with built-in BOOST boost/anti burst function 2 × 4.75W stereo D-class audio power amplifier TSSOP20L

Manufacturer Product Number
HT8698
Description

HT8698 has built-in BOOST boost/anti burst function and a stereo D-class audio power amplifier chip

Package Condition
REEL
Datasheet

Product Descriptions

HT8698 integrates a boost converter with a filter-less stereo class D audio power amplifier to provide 2×4.75W continuous power into a 4Ω speaker when operating from a Li-battery voltage boosted to 6V. Meanwhile, the boost output voltage is adjustable. 

HT8698 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 improve the sound quality, creating a very comfortable musical enjoyment, and to protect the speakers from overload damage. It also supplies ACF OFF mode. Class AB amplifier mode is also available for 

HT8698. Once the EMI Interference from class D and Boost Converter becomes an annoying problem, HT8698 can be changed into Class AB mode. 

HT8698 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. 

HT8698 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 

 2×4.75W(VBAT=3.6V, PVDD = 6V, RL=4Ω, THD+N=10 percent) 

・ -BOOST Input VBAT:2.5V to 5.5V 

 -BOOST Output PVDD:VBAT to 7.0V 

・Adjustable BOOST Output Voltage 

・Class D and Class AB audio amplifier available 

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

・Pb-Free Packages,TSSOP20L-PP

  Product Applications

・Bluetooth Speakers 

・Portable Speakers

・2.1 Channel Speakers

・Megaphone

・iPhone/iPod/iPod docking

・MP4/GPS 

・Tablet PC/Note Book

・Smart Phones 

・LCD TV/Monitor

・Portable Gamers

  Specifications

Attribute Attribute value
ANSM-Part# ANSM-HT8698
Type: Audio power amplifier
Manufactor Heroic
DC Standard
Describe NEW
Supplier Device Packaging TSSOP20L
Package REEL
Input voltage 2.5V-5.5V
Output power 2*4.75W
Type Analog/Stereo

Actual product photos

TSSOP20

Product Data Book:

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Payment&Transportation

详情8.1

Official Certificate&Certificate

详情页3.1

Multiple product supply

详情5.1

Company office environment

详情6.1

Warehouse Real Shot

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Standard packaging

详情9

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Original HT8698 with built-in BOOST boost/anti burst function 2 × 4.75W stereo D-class audio power amplifier TSSOP20L

HT8698 has built-in BOOST boost/anti burst function and a stereo D-class audio power amplifier chip

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