DESCRIPTION
The LTC®1458/LTC1458L are complete single supply, quad rail-to-rail voltage output, 12-bit digital-to-analog converters (DACs) in SO-28 and SSOP-28 packages. They include an output buffer amplifier with variable gain (×1 or ×2) and an easy-to-use 3-wire cascadable serial interface.

FEATURES
■ Quad 12-Bit DAC
■ Buffered True Rail-to-Rail Voltage Output
■ Maximum DNL Error: 0.5LSB
■ 5V Operation, ICC: 1.1mA Typ (LTC1458)
■ 3V Operation, ICC: 800µA Typ (LTC1458L)
■ Internal or External Reference Operation
■ Settling Time: 14µs to ±0.5LSB
■ Schmitt Trigger On Clock Input Allows Direct Optocoupler Interface
■ Power-On Reset and CLR Pin
■ SSOP-28 Package
■ 3-Wire Cascadable Serial Interface with 250kHz Update Rate
■ Low Cost

APPLICATIONS
■ Digital Calibration
■ Industrial Process Control
■ Automatic Test Equipment
■ Low Power Systems