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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