The Cirrus Logic CS4220-KS is a high-performance, low-power stereo audio codec designed for a wide range of applications, including portable audio players, digital cameras, and communication devices. It offers a complete audio solution with integrated analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), providing high-quality audio recording and playback capabilities.

Applications

• Portable Audio Players: Used in MP3 players, portable media players (PMPs), and digital audio recorders for high-fidelity audio playback and recording.
• Digital Cameras: Integrated into digital still cameras (DSCs) and digital video cameras (DVCs) to capture high-quality audio during video recording.
• Communication Devices: Employed in smartphones, tablets, and VoIP phones for clear and crisp audio communication.
• Gaming Consoles: Utilized in handheld gaming consoles and portable gaming devices for immersive audio experiences.
• Automotive Infotainment Systems: Integrated into car audio systems for high-quality audio playback and voice recognition.

Features

• Stereo ADC and DAC: Features integrated stereo ADCs and DACs for simultaneous audio recording and playback.
• Low Power Consumption: Designed for energy-efficient operation, extending battery life in portable devices.
• High Signal-to-Noise Ratio (SNR): Offers high SNR performance for clear and crisp audio quality.
• Integrated Headphone Amplifier: Includes a built-in headphone amplifier for driving headphones directly.
• I2S/PCM Digital Audio Interface: Supports standard I2S and PCM digital audio interfaces for easy integration with microcontrollers and digital signal processors (DSPs).
• Flexible Clocking Options: Provides flexible clocking options to support various audio sampling rates.
• Small Package: Available in a small QFN package, minimizing board space requirements.

Benefits

• High-Quality Audio Performance: Delivers clear and crisp audio quality for both recording and playback.
• Low Power Consumption: Reduces energy consumption, extending battery life in portable applications.
• Easy Integration: Simplifies system design with a standard digital audio interface and small package size.
• Reduced Bill of Materials (BOM) Cost: Integrates multiple audio functions into a single chip, reducing the number of external components required.
• Enhanced User Experience: Improves the overall user experience with high-quality audio performance and low power consumption.

Additional Details

The CS4220-KS supports audio sampling rates from 8 kHz to 96 kHz. It features a programmable gain control (PGC) for adjusting the audio input and output levels. The device is available in a 48-pin QFN package and operates over the industrial temperature range of -40°C to +85°C. It is designed to meet the demanding requirements of portable audio applications.