The HI-X74(A) is a complete 12-bit, Analog-to-Digital Converter, including a +10V reference clock, three-state outputs and a digital interface for microprocessor control. Successive approximation conversion is performed by two monolithic dice housed in a 28 lead package. The bipolar analog die features the Intersil Dielectric Isolation process, which provides enhanced AC performance and freedom from latch-up.

Features

• Complete 12-Bit A/D Converter with Reference and Clock

• Full 8-Bit, 12-Bit or 16-Bit Microprocessor Bus Interface

• Bus Access Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 150ns

• No Missing Codes Over Temperature

• Minimal Setup Time for Control Signals

• Fast Conversion Times

    - HI-574A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25µs

    - HI-674A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15µs

• Low Noise, via Current-Mode Signal Transmission Between Chips

• Byte Enable/Short Cycle (AO Input)

    - Guaranteed Break-Before-Make Action, Eliminating Bus Contention During Read Operation. Latched by Start Convert Input (To Set the Conversion Length)

• Supply Voltage . . . . . . . . . . . . . . . . . . . . . . ±12V to ±15V

• Pb-Free Available (RoHS Compliant)

Applications

• Military and Industrial Data Acquisition Systems

• Electronic Test and Scientific Instrumentation

• Process Control Systems