Click to expand full text
NS4890C 2.4W Mono Class AB audio amplifier
1 NS4890C Features
3 NS4890C Description
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 devices are needed.The output does not require external coupling capacitors or lifting capacitors and buffering networks,it is more suitable
shutdown mode. Stable unity gain. External feedback resistor and input resistor,
k adjustable gain. e MSOP8 package.
2 NS4890C Application
T Smart wear
Automobile data recorder
ChipSource 4 NS4890C Typical application circuit
for portable systems.