AIN1+1AIN1-2VCM13REFH4REFH5REFL6REFL7VCM28AIN2+9AIN2-10VDD11VDD12ENC+13ENC-14CS#15SCK16SDI17GND18OUT2B-19OUT2B+20OUT2A-21OUT2A+22FR-23FR+24OGND25OVDD26DCO-27DCO+28OUT1B-29OUT1B+30OUT1A-31OUT1A+32GND33SDO34PAR/SER#35VREF36GND37SENSE38VDD39VDD40PAD41