Philips Semiconductors Product specification Quadruple filter DAC FEATURES • High dynamic range to enable digital DSP (Digital Signal Processor) volume control • 18 bits data input format for each of the four channels • Four times bit-serial oversampling filter • 1st-order 4fas (audio sampling frequency) noise shaper • Four very low noise DACs • Only 1st-order analog post filtering required • Smooth power-on of the DAC output currents • Because of the automatic digital PLL divider range setting the master clock is selectable in a wide 4fas integer range • Insensitive to jitter on the I2S-bus signals with respect to the DAC total harmonic distortion deterioration.
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