Converting digital signals to analog can easily be handled using this MCP48FEB21-E/UN from Microchip Technology. It has a voltage output. This device"s digital interface is serial (4-wire, 5-wire, spi). This device is based on Resistor-String architecture. This DAC has a resolution of 12bit. This DAC has a temperature range of -40 °C to 125 °C. This device comes in tube packaging. This device uses a single power supply.