AD1953 SigmaDSP® Digital Audio Processor
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:
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)
Features and Benefits- 5 V 3-Channel Audio DAC System
- Digital Audio Output (2-Channel or 6-Channel Packed Mode)
- Accepts Sample Rates up to 48 kHz
- 7 Biquad Filter Sections per Channel
- Dual Dynamic Processor with Arbitrary Input/Output
- Curve and Adjustable Time Constants
- 0 ms to 6 ms Variable Delay/Channel for Speaker Alignment
- See data sheet for additional features
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Data Sheets
Application Notes
Frequently Asked Questions
Order Information
| Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
|---|
| AD1953YSTZ Production | 48 ld LQFP | OTH 250 | -40 to 105C | 0 | 0 | Y |
| AD1953YSTZRL Production | 48 ld LQFP | REEL 2000 | -40 to 105C | 0 | 0 | Y |
| AD1953YSTZRL7 Obsolete | 48 ld LQFP | REEL 500 | | 0 | 0 | Y |
