AIN31AIN42AIN53AIN64AIN75AIN86AIN97AIN108AIN119AIN1210AIN1311CNVST#/AIN1412REF-/AIN1513GND14REF+15GND16VDD17VDD18SCLK19CS#20DIN21DGND22OVDD23DOUT24EOC#25AIN026AIN127AIN228EP29