Headphone amp schematic using NJM2768B

Using the NJM2768B audio amplifier IC you can design a very simple high efficiency headphone amp electronic project amplifier for portable devices .

NJM2768B headphone amp includes 0dB closed loop gain and mute circuit, requires few external component.
The NJM2768B realizes very low turn-noise at mute mode.
As you can see in the schematic circuit , this headphone audio amplifier circuit require few external electronic components ,thing that makes it ideally for audio applications where the space is very important . this headphone audio amplifier schematic circuit needs to be powered from a 2.8 volt to 5.5 volts input voltage , typically 5 volts is required .
The maximum output power delivered by this headphone audio amplifier circuit is around 50mW on 32 ohms load and 100mW for a 16 ohms load, with 0.1% THD .