NC28BIT 1(MSB)27BIT 226BIT 325BIT 424BIT 523BIT 622BIT 721BIT 820BIT 919BIT 1018BIT 1117BIT 12(LSB)16PWR GND1520V SPAN R1410V SPAN R13NC12DAC OUT11BIPOLAR OFFSET IN10-VEE9NC8REF IN7REF GND6REF OUT(10V)5VCC4NC3NC2NC1