CS48AU2

Product Status Notice

CS48AU2Not Recommended for New Designs
Recommended for New Designs: CS485xx Family

Dedicated 32-bit Audio DSP for Audyssey Laboratories Technology

The CS48AU2 is the industry’s first cost-effective, high-performance 32-bit audio DSP that is solely dedicated to enable Audyssey Laboratories audio processing technologies for today’s high-volume consumer electronic products.

Documentation

  • Audyssey Dynamic Volume™, Audyssey Dynamic EQ™, Audyssey EQ™ & Audyssey BassXT™
  • Audyssey Dynamic Volume eliminates the need for constant volume adjustments
  • Audyssey Dynamic EQ enables a reference playback experience at any desired playback level
  • Audyssey EQ removes much of the distortion caused by speaker enclosures and the typical room environment producing greatly improved sound compared to similar products without correction
  • Audyssey BassXT is specifically calibrated to enhance the physical bass response of each product model
  • Configurable Serial Audio Inputs/Outputs
    • Maximum 32-bit @ 192 kHz
      (Note: Audyssey Laboratories algorithms support 48kHz, 44.1kHz and 32kHz)
    • Integrated 192 kHz capable S/PDIF transmitter
  • Integrated Clock Manager/PLL
    • Can operate from external crystal, external oscillator
  • Input Fs Auto Detection & Coefficient Loading
  • Host Control & Boot via Serial Interface
  • Support for Master (Self) Boot via Serial EEPROM for single Fs applications (i.e. 48kHz only via ADC input)
  • Configurable GPIOs and External Interrupt Input
  • 1.8V Core and a 3.3V I/O that is tolerant to 5V input
  • Low-power Mode
    • “Energy-Star Ready” via low-power mode, 268 µW in standby

Related Documents

Design Resources

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CS48AU2 Not Recommended for New DesignsRecommended for New Designs: CS485xx Family
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