Philips Electronics
Stereo continuous calibration DAC (CC-DAC)
Philips Electronics
Digital audio input/output circuit(DAIO)
Philips Electronics
Stereo continuous calibration DAC (CC-DAC)
NXP Semiconductors.
Class-AB stereo headphone driver
Philips Electronics
Noise shaping filter DAC
Philips Electronics
Class AB stereo headphone driver
Philips Electronics
Quadruple filter DAC