Complete 12-Bit A/D converters with reference and clock, Pin-to-pin compatible with industry standard 574A/674A Series, No missing codes over temperature, 8 µSec. Conversion time, 250 mW maximum power dissipation, Four user selectable input ranges are provided: 0 to +10V, 0 to +20V, +/-5V, and +/- 10V dc. -40°C to +100°C, 28 pin LCC package