Taidacent Mini Best Diy Low voltage Stereo Audio Systems NS8002 Class AB Amplifier Circuit DC 3V Mono Amplifier

Parameter introduction: PCB size: length 16 × width 10.5 × thickness 2.6mm (including protruding part) Installation method: inline, SMT patch Output power: mono 3W Supply voltage: 2V-5V (3.7V lithium battery can be used) Output impedance: 4 ohms - 8 ohms Frequency response: 150HZ-20KHZ Efficiency: 90% Silent control: yes Volume adjustment: none Wiring instructions This board should be grounded, and the 3 pin is the negative pole of the power supply and the ground. 1 pin is a silent output, it should be connected with 3 feet, when the voltage is 0 Features 1. Improved PSRR at 217 Hz & 1 KHz 60 dB 2. Power output at 5.0V, 10% THD+N, 4 Ohm 2.0 W (typ.) 3. Power output at 5.0V, 1% THD+N, 8Ohm 1.5 W (typ.) 4. 2.2V – 5.5V operation 5. Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions 6. No output coupling capacitors, snubber networks or bootstrap capacitors required 7. Unity-gain stable 8. External gain configuration capability Applications 1. Portable computers 2. Desktop computers 3. Low voltage audio systems