GND1GND2GND3GND4GND5GND6GND7GND8GND9GND10AOP11AON12AIP13AIN14CNVST#15REF-16GND17REF+18GND19VDD20VDD21SCLK22CS#23DIN24DGND25OVDD26DOUT27EOC#28AIN029AIN130AIN231AIN332EP33