The CS4461 A/D converter and the CS44600/800 Class-D digital amplifiers provide a simple, small and cost-effective solution for DVD receivers, home theater recorders and entry-level audio/video receivers and home-theater-in-a-box systems.
This A/D converter provides real-time feedback of power-supply conditions to a Class-D modulator via a direct interface, resulting in very low signal delay. Improved PSR feedback allows the systems designer to use lower cost power supplies, resulting in a lower bill-of-materials (BOM) cost. Systems developers can further lower BOM costs by developing single-ended (half-bridge) solutions as opposed to differential (full-bridge) solutions.
The CS4461s advanced Delta-Sigma architecture allows differential analog inputs that provide excellent noise rejection and multibit conversion at up to 7.5 MHz.
The CS4461 is a complete analog-to-digital (A/D) converter for Class-D PSR (power-supply rejection) feedback. It performs sampling and A/D conversion, generating digital data for input to a Class-D modulator.
A/D Converter for Class-D Real-Time PSR Feedback
A/D Converter for Class-D Real-Time PSR Feedback |
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