The application note describes a patented design of a current feedback amplifier which uses an opamp as front-end. This file has a better quality than the original from Analog Devices. Both documents are scanned from a databook.
Description Features Complete Stereo DAC System 8´ Interpolation Filter 64´ Delta-Sigma DAC Analog Post Filter Adjustable System Sampling Rates including 32kHz, 44.1kHz & 48kHz 120 dB Signal-to-Noise Ratio Low...