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HT8692 Datasheet Preview

HT8692 Datasheet

8.0W Anti-Clipping Mono Class D Audio Amplifier

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HT8692
Class D Audio Amplifier with Boost Converter
8.0W Anti-Clipping Mono Class D Audio Amplifier with
Boost Converter
FEATURE
Anti-Clipping Function (ACF)
Filter-less Modulation, Eliminating Output Filter
Output Power
6.5W (VBAT=4.2V, PVDD = 7.0V, RL=4,
THD+N=10%)
8.0W (VBAT=4.2V, PVDD = 7.0V, RL=3,
THD+N=10%)
3.5W (VBAT=4.2V, PVDD = 7.0V, RL=8,
THD+N=10%)
Power Supply
-Boost Input VBAT2.5V to 5.5V
-Boost Output PVDDVBAT to 7.5V
Adjustable BOOST Output Voltage
Class AB / Class D
Over Current Protection, Thermal Protection,
Low voltage malfunction prevention function
included
Pb-Free Packages , SOP16L-PP/SOP16L
APPLICATIONS
Bluetooth Speakers
2.1 Channel Speakers
iphone/ipod/ipod docking
Tablet PC/Note Book
LCD TV/Monitor
Portable Speakers
Megaphone
MP4/GPS
Smart Phones
Portable Gamers
GENERAL DESCRIPTION
HT8692 integrates a boost converter with a
filter-less stereo class D audio power amplifier to
provide 6.5W continuous power into a 4speaker,
and 8.0W continuous power into a 3speaker
when operating from a Li-battery voltage boosted
to 7.0V. Meanwhile, the boost output voltage is
adjustable.
HT8692 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
HT8692. Once the EMI Interference from class D
and Boost Converter becomes an annoying
problem, HT8692 can be changed into Class AB
mode.
HT8692 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.
HT8692 has the independent Shutdown
function which can minimize the power
consumption at standby and MUTE function. As for
protection function, over current protection function
for speaker output terminals, over temperature
protection function, and low supply voltage
malfunction preventing function are also prepared.
TYPICAL APPLICATION
10 µF 1µF
470 µF
Lx
1Ω
10nF Dx
10 µF 1µF
470 µF
3.3nF
2
VBAT
5,6
LX
3
MUCH
16
CTRL
15
ABD
9
PVDD
AGND
Rd1
4
FB
Rd2
HT8692 PGND
DGND
1
11
7,8
1KO
CIN
0.1uF
CIN
0.1uF
RIN 13
56KΩ
RIN 14
56KΩ
IN+
IN-
12
OUT+
10
OUT-
Copyright ©2016, Jiaxing Heroic Technology Co., Ltd
-1-
11/2016 – V1.4




HEROIC

HT8692 Datasheet Preview

HT8692 Datasheet

8.0W Anti-Clipping Mono Class D Audio Amplifier

No Preview Available !

HT8692
Class D Audio Amplifier with Boost Converter
TERMINAL CONFIGURATION
AGND 1
2
VBAT
3
MUCH
4
FB
5
LX
6
LX
7
DGND
8
DGND
16 CTRL
15
ABD
14
IN-
13
IN+
12
OUT+
11
PGND
10
OUT-
9
PVDD
SOP16L-PP/SOP16L Top View
TERMINAL FUNCTION *1
SOP
Terminal
No.
1
2
3
4
5,6
7,8
9
10
11
12
13
14
Name
AGND
VBAT
MUCH
FB
LX
DGND
PVDD
OUT-
PGND
OUT+
IN+
IN-
15 ABD
16 CTRL
*1 I: Input O:Output
I/O
GND
Power
I
I
I
GND
Power
O
GND
O
I
I
I
I
ESD
Protection
PN
PN
PN
PN
-
-
-
-
PN
PN
PN
PN
Function
Analog Ground
Power Supply
Mute Control Terminal
Regulator Feedback Input
Internal Switch Input
Power Ground for Boost converter
Boost Converter Output Voltage
Negative Output Terminal (BTL-)
Power Ground for Class D
Positive Output (BTL+)
Positive Input Terminal (differential +)
Negative Input Terminal (differential -)
Class D or Class AB Amplifier Mode
Control Terminal
Shutdown and ACF Control Terminal
Copyright ©2016, Jiaxing Heroic Technology Co., Ltd
-2-
11/2016 – V1.4


Part Number HT8692
Description 8.0W Anti-Clipping Mono Class D Audio Amplifier
Maker HEROIC
PDF Download

HT8692 Datasheet PDF






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