The WM8521HCGED/RV is a high-performance stereo audio codec from Cirrus Logic, similar to the WM8521HCGED. The '/RV' likely indicates a specific revision or packaging variant of the original part, potentially offering improvements or addressing specific application requirements. This codec integrates ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters) with supporting circuitry to provide a complete audio interface solution.

Applications:

• Portable audio players
• Digital voice recorders
• Home entertainment systems
• Automotive audio systems
• Professional audio equipment

Features:

• High-performance stereo ADCs and DACs
• Low power consumption
• Integrated headphone amplifier
• Extensive digital audio interface options
• Advanced power management features
• Supports various audio sample rates
• Flexible analog input and output configurations
• On-chip PLL for clock generation
• I2C control interface

Benefits:

• Provides high-fidelity audio reproduction for demanding audio applications.
• Extends battery life in portable devices due to its low power design.
• Simplifies system design by integrating multiple audio functions into a single chip.
• Offers flexibility in audio routing and processing.
• Reduces external component count, saving board space and cost.
• Enables advanced audio features such as noise reduction and equalization.
• Easy to configure and control through the I2C interface.

Additional Details:

The WM8521HCGED/RV typically supports sample rates up to 192kHz. It includes integrated headphone amplifiers capable of driving a wide range of headphone impedances. The codec also features comprehensive power management options to minimize power consumption in various operating modes. The digital audio interface supports I2S, Left Justified, and Right Justified formats, providing compatibility with a wide range of digital audio processors and SoCs. It uses a CMOS fabrication process. The '/RV' suffix could denote a lead-free version or a specific tape and reel packaging.