ADAV4601

Audio Processor for Advanced TV ADAV4601 FEATURES Fully programmable 28-bit audio processor for enhanced ATV sound—default audio processing flow loaded on reset Implements Analog Devices, Inc. and third-party branded audio algorithms Adjustable digital delay line for audio/video Synchronization for up to 200 ms stereo delay High performance 24-bit ADC and DAC 94 dB DNR performance on DAC channels 95 dB DNR performance on ADC channels Headphone output with integrated amplifiers High performance pulse-width modulation (PWM) digital outputs Multichannel digital baseband I/O 4 stereo synchronous digital I2S input channels One 6-channel sample rate converter (SRC) and one stereo SRC supporting input sample rates from 5 kHz to 50 kHz One stereo synchronous digital I2S output S/PDIF output with S/PDIF input mux capability Fast I2C control Operates from 3.3 V (analog), 1.8 V (digital core), and 3.3 V (digital interface) Available in 80-lead LQFP APPLICATIONS General-purpose consumer audio post processing Home audio DVD recorders Home theater in a box systems and DVD receivers Audio processing subsystems for DTV-ready TVs Analog broadcast capability for iDTVs GENERAL DESCRIPTION The ADAV4601 is an enhanced audio processor targeting advanced TV applications with full support for digital and analog baseband audio. The audio processor, by default, loads a dedicated TV audio flow that incorporates full matrix switching (any input to any output), automatic volume control that compensates...