Buy NS4110B DC 6-14V Differential Amplifier Board 2x18W Digital Class D/Class AB Audio Power Amplifier factory direct price
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.
Remove resistor R6 and R7 to change Class D to Class AB.
CTRL pin is used connect to MUTE pin from Bluetooth module.
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.
Correspondence between work mode and voltage from CTRL pin:
N.O
Voltage from CTRL Pin
Work Mode
1
0.0~0.5V
Low power mode
2
0.9V~1.6V
Class AB
2
2.0V~5.0V
Class D
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.
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.
Application:
1.DIY speaker;
2.Voice intelligent control;
3.Bluetooth signal conversion.
Package included:
1 x NS4110B Differential Amplifier Board
Best NS4110B DC 6-14V Differential Amplifier Board 2x18W Digital Class D/Class AB Audio Power Amplifier wholesale price
Specification: NS4110B DC 6-14V Differential Amplifier Board 2x18W Digital Class D/Class AB Audio Power Amplifier
Weight
0.002 kg
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