| Type Touch Panel Interface Number of Inputs/Keys Resolution (Bits) Evaluation Tools Data Interface Data Rate/Sampling Rate (SPS, BPS) Voltage Reference Voltage - Supply Current - Supply Operating Temperature Mounting Type Package / Case | Resistive, Driver 4-Wire 1, 4 x 4 Keypad 12 b Available SPI 125k External, Internal 2.7 V ~ 3.6 V 1.25mA -40°C ~ 85°C Surface Mount 28-TSSOP (0.173, 4.40mm Width) 28-TSSOP |