NS4890C - 2.4W Mono Class AB audio amplifier
* Voltage range:3.0V-5.0V NS4890C is a class AB bridge output audio * Output power: 1.56W@RL=8Ω/THD+N=10% * Leakage current in shutdown mode:1uA(typical) * The SD pin is used for low level control to enter amplifier.
Its application circuit is simple and only a few peripheral dev