ADAV4622

Obsolete

Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder

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Part Details

Sound IF (SIF) processor
SIF demodulator and broadcast stereo decoder
NICAM (BG, DK, I, L), A2 (BG, DK, M), BTSC (M, N), EIAJ (M)
Automatic sound IF standard detection
Fully programmable 28-bit audio processor for enhanced ATV sound—default TV audio flow loaded on reset
Implements Analog Devices 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
Dual headphone outputs with integrated amplifiers
High performance pulse-width modulation (PWM) digital outputs

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
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