Digital-to-Analog Converters: DACx311 Texas Instruments´ DACx311 digital-to-analog converter (DAC) family provides excellent linearity, minimize undesired code-to-code transient voltages, and offer an easy upgrade path within a pin-compatible family. The low-power TI devices employ a versatile 3-wire serial interface that operates at clock rates of up to 50 MHz and is compatible with standard SPI™, QSPI™, MICROWIRE™, and digital signal processor (DSP) interfaces.