The AD390, the industry's first quad DAC, is a 28-pin hermetically sealed ceramic DIP that contains four pre-trimmed double-buffered 12-bit digital-to-analog converters, served by a common 12-bit-wide input data bus. Included in the package are four double-buffered 12-bit DACs, four fast-settling op amps, a reference-buffer follower, and a precision 10-volt reference, which may serve as the common reference. Read full article