i2c comunication ADC121C021CIMK

Using Arduino Networking, Protocols, and Devices
1

hi im using ADC121C021CIMK

link is here : http://uk.farnell.com/texas-instruments/adc121c021cimk/ic-adc-12bit-188-9ksps-i2c-sot/dp/1552428?mckv=sESjMjjkV|pcrid|56512299789|kword|adc121c021cimk|match|p|plid|&CMP=KNC-GUK-FUK-GEN-SKU-G12

could anyone help me with some code i have never used i2c before i need a 12bit adc for better resolution but after reading the data sheet im none the wiser ??

please help