Part identification: [CSC2822]
Using the site in the other answer I discovered its an opamp for audio. Here is the information I got:


  HWD02 CSC 2822P/2822m 双声道功率放大
  TDA2822P/TDA2822M DIP8/SOP8


Then I recognised the TDA2822 to be some form of audio opamp and you can pull a datasheet from another manufacturer. Here is the datasheet from STs version. 

双声道功率放大 translates to: Two-channel power amplifier this just confirms that its a reproduction of the original part.