Analog Devices AD1953YSTZ

DAC 3-CH Delta-Sigma 24-bit Automotive 48-Pin LQFP Tray

3 CH 24 BIT SIGNAL-PROCESSING DAC, 48PIN LQFP

The AD1953 is a complete, 26-bit, single-chip, 3-channel digital audio playback system with built-in DSP functionality. Key features include: 3 channels of digital audio, 6-channel TDM output mode, a 7-band, 48-bit stereo equalizer, delays for loudspeaker location adjustment, Phat Stereo™ spatial enhancement, and a dual-band, professional-quality dynamics processor. Its three DACs achieve 112 dB signal-to-noise ratio (SNR) at 48 kHz. Its dynamic processing features include: Finely-tuned bass boost to enhance low frequencies for small loudspeakers Algorithms that virtually increase loudness by removing distortion at high volumes Midnight mode which automatically reduces loudness in high-volume instances (e.g., sudden loud scenes on DVDs) Low-level expansion to lift low-volume signals above road noise (for car stereos) PRICING AND AVAILABILITY: The AD1953 SigmaDSP Digital Audio Processor is available in a 48-pin TQFP package and is rated for the extended −40°C to +105°C temperature range. The AD1953 is sampling now; production begins Fall 2002. Prices begin at $5.88 in 10,000-piece quantities. APPLICATIONS 2.0/2.1 Channel Audio Systems (2 Main Channels Plus Subwoofer) Multichannel Automotive Sound Systems Multimedia Audio Mini Component Stereo Home Theater Systems (AC-3 Postprocessor) Musical Instruments In-Seat Sound Systems (Aircraft, Motor Coaches)