应用功能:DACPORT Low Cost, CompletemP-Compatible 8-Bit DAC The AD558 DACPORT® is a complete voltage-output 8-bitdigital-to-analog converter, including output amplifier, fullmicroprocessor interface and precision voltage reference on asingle monolithic chip. No external components or trims arerequired tointerface, with full accuracy, an 8-bit data bus to an analog system.