ADAV400

www.DataSheet4U.com Audio Codec with Embedded SigmaDSP® Processor ADAV400 FEATURES Fully programmable audio digital signal processing (DSP) for enhanced sound processing Scalable digital audio delay line Pool of 400 ms @ 48 kHz (200 ms for stereo channel) High performance, integrated analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) 1 stereo analog input (ADC) 4 stereo analog inputs with mux-to-stereo ADC 4 stereo (8-channel) analog outputs (DACs) Dedicated headphone output with integrated amplifier Multichannel digital I/O 8-channel I2S input and output modes 8- and 16-channel TDM input and output modes 2-channel (1 stereo) asynchronous I2S input with integrated sample rate converter (SRC), supporting sample rates from 5 kHz to 50 kHz Features SigmaStudio™, a proprietary graphical programming tool for fast development of custom signal flows Includes various third-party audio algorithms I2C® control interface Operates from 3.3 V (analog), 1.8 V (digital core), 3.3 V (digital interface) Features on-chip regulator for single 3.3 V operation 80-lead LQFP package (14 mm × 14 mm) Temperature range: 0°C to 70°C APPLICATIONS ATV and AV audio applications TV audio processing Set top box (STB) HTiB General audio enhancement FUNCTIONAL BLOCK DIAGRAM ADAV400 MULTICHANNEL DIGITAL OUTPUTS SDO0 SDO1 SDO2 SDO3 LRCLK1 PROGRAMMABLE AUDIO PROCESSOR CORE BCLK1 VOUT1 VOUT2 DAC VOUT3 VOUT4 DAC HPOUTL HPOUTR AUXL1 AUXR1 A–V SYNC DELAY MEMORY DAC AUXL2 AUXR2 05811-001 ...