PAM8610 Dual Channel Amplifier

PAM8610 Dual Channel Amplifier A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic switches, and not as linear gain devices as in other amplifiers. They operate by rapidly switching back and forth between the supply rails, using pulse-width modulation, pulse-density modulation, or related techniques to produce a pulse train output. This passes through a simple low-pass filter which blocks the high-frequency pulses and provides analog output current and voltage.

PAM8610 Digital Amplifier Board 2x15W Two Channel Stereo Class D
Technical parameters:
1. Supply voltage: DC 7V-15V
2. Output power: 10w + 10w (8 load)
3. Efficiency: 90%
4. Shutdown Current: 4uA
5. Quiescent current; 20mA
6. SNR: 86%
7. Total harmonic distortion: 5W / 1KHz / 8 —- 0.1%
8. Frequency range: 20Hz-20KHz
9. Input impedance: 15K
10. Output Impedance: 4-8
11. Amplifier board size: 30mm * 25mm * 2.5mm

PAM8610 Dual Channel Amplifier How to use:

1. The power supply voltage limit is 12.5V, do not use more than this voltage.
2. The power supply is recommended for 12v, 3A power supply filter better.
3. 4-8 inch stereo speakers recommended.
4. Do not short-circuit the audio output to each other or shorted to ground.
5. Carefully check before electricity, ensure wiring is correct before electricity.en.wikipedia.org

Class-D amplifiers work by generating a train of rectangular pulses of fixed amplitude but varying width and separation, or varying number per unit time, representing the amplitude variations of the analog audio input signal. The modulator clock can synchronize with an incoming digital audio signal, thus removing the necessity to convert the signal to analog. The output of the modulator is then used to gate the output transistors on and off alternately. Great care is taken to ensure that the pair of transistors are never allowed to conduct together, as this would cause a short circuit between the supply rails through the transistors.