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近期推出的D／A转换集成芯片不断地将一些转换外围器件集成到芯片内部，主要结构特征是内部带有能隙参考电压源、高速度输出放大器，可实现模拟电压的单极性或双极性输出，一般无须外加器件及微调即可与单片机８位数据总线相连。AD５５８芯片即最近推出的、能完全与微处理器兼
The recently introduced D / A conversion integrated chips continue to integrate some of the conversion peripheral devices into the chip. The main structural features are internal with bandgap reference voltage source, high speed output amplifier, unipolar or bipolar Sexual output, usually without additional devices and fine-tuning can be connected with the microcontroller 8-bit data bus. AD558 chip that recently introduced, can be completely and the microprocessor