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SHENZHENNSIWAYTECHNOLOGY CO.,LTD
NS4890C 2.4W Mono Class AB audio amplifier
NS4890C Jun.2022V1.0
1 Features
Voltage range:3.0V-5.0V 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
shutdown mode. Stable unity gain. External feedback resistor and input resistor,
adjustable gain. MSOP8 package.
2 Application
Smart wear Automobile data recorder
4 Typical application circuit
3 Description
NS4890C is a class AB bridge output audio 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 for portable systems.