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Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V

GY16681
5 9
$7.99 $5.59
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1.Description:
    The differential amplifying circuit utilizes the symmetry of the circuit parameters and the negative feedback to effectively stabilize the static operating point, and amplifies the differential mode signal to suppress the common mode signal. It is widely used in the input stage of the direct coupling circuit and the measuring circuit.
 
2.Features:
    1>.Support dual channel output mode
    2>.High quality sound quality
    3>.Built-in amplifier
 
3.Parameters:
    1>.Product Name:HT8692 Differential Amplifier Board
    2>.Working Voltage:DC 2.5V-5.5V
    3>.Working Current:>2A
    4>.Output Power:5W
    5>.Amplifier level:Class D/Class AB
    6>.Default Mode:Class D
    7>.Support Speaker Impedance:4ohm
    8>.Working Temperature range:-20℃~85℃
    9>.Working Humidity range:0%-95%RH
    10>.Size:30*24*15mm
 
4.Set Working Mode:
    1>.The default mode is Class D.
    2>.User can use CTRL pin to set work mode.
    3>.Remove resistor R5 to change Class D to Class AB.
    4>.CTRL pin is used connect to MUTE pin from Bluetooth module.
    5>.Note:The chip will get heat which will cause the over-temperature protection function to be activated when input voltage is higher than 12V and working in Class AB mode.
 
5.Using Steps:
    1>.Make sure work mode;
    2>.Connect the suitable speakers;
    3>.Connect right input voltage at input terminal;
    4>.Input audio signal;
    5>.Test and use.
 
6.Note:
    1>.Default Class D.
    2>.The chip will get heat which will cause the over-temperature protection function to be activated when input voltage is higher than 12V and working in Class AB mode.
    3>.Please use suitable speaker.
    4>.Please input audio signal.
    5>.Make sure the input current is more than 2A.
 
7. Application:
    1>.DIY speaker;
    2>.Voice intelligent control;
    3>.Bluetooth signal conversion.
 
8.Package:
    1pc HT8692 Differential Amplifier Board
 

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Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V
$5.59
$7.99
31