The Arduino does not have a DAC. It has a 10-bit ADC with multiple inputs. And, it has 8-bit PWM outputs which can substitue for analog output for some applications. But, it won't work for good-quality voice or music.
The Arduino does not have a DAC. It has a 10-bit ADC with multiple inputs. And, it has 8-bit PWM outputs which can substitue for analog output for some applications. But, it won't work for good-quality voice or music.