I find a light to voltage converter IC (TSL12S). This is it's datasheet: http://www.es.co.th/Schemetic/PDF/TSL12S_TLS13S_TLS14S.PDF . It's output voltage range from 0 to 5V. So, can I connect directly it to analog pin of arduino?
Thank you

 

Yes, you can. But use 5 volt Arduino boards.