Intelligent Digital Amplifier PWM Controller and Audio Processor

The D2-45057 and D2-45157 devices are complete System-on-Chip (SoC) Class-D digital audio amplifiers. Combining high performance integrated Power Stages along with an optimized Audio Processor feature set and PWM Controller, these devices offer a complete, powerful, and very cost effective audio solution for high volume and cost-critical products.

Features
• All Digital Class-D Amplifier and Controller with Integrated Digital Signal Processing (DSP)
• Four Integrated Power Stages Supporting
   - 2 Channels, Bridged
   - 4 Channels, Half-Bridge
   - 2 Channels, Half-Bridge, plus 1 Channel Bridged
• Output Power (Bridged)
   - 25W (8Ω,<1% THD); 30W (8Ω,<10% THD)
• Fully Programmable Digital Signal Processing (DSP)
   - Up to 5 Programmable Audio Signal Path Channels
   - Programmable Equalizers, Filters, Mixers, Limiters
• Includes D2Audio™ SoundSuite™ and DTS®(SRS) WOW/HD™ Audio Enhancement Algorithms
• I2S and S/PDIF™ Digital Audio Inputs
• Asynchronous Sample Rate Converters; Sample Rates from 32kHz up to 192kHz
• Wide 9V to 26V Power Stage HV Supply Range, plus Internally-Generated Gate Drive Supply
• Temperature and Undervoltage Monitoring and Individual Channel Protection

Applications
• PC/Multimedia Speakers
• Digital TV Audio Systems
• Portable Device Docking Stations
• Powered Speaker Systems