Cirrus Logic

CS4299-BQZ

CS4299-BQZ Description

The CS4299-BQZ is an obsolete but highly capable Audio AC'97 Interface IC Chip from the SoundFusion™ series, manufactured by Cirrus Logic Inc. This codec is designed to provide high-quality audio performance with a dynamic range of 80 dB for ADCs and 85 dB for DACs. It features a serial data interface and supports a supply voltage range of 4.75V to 5.25V for both digital and analog circuits. The CS4299-BQZ is equipped with one ADC and one DAC, each offering a resolution of 18 bits and 20 bits respectively. It is packaged in a 48LQFP format and is available in a tray package. The device is RoHS compliant and REACH unaffected, ensuring it meets environmental and safety standards. The moisture sensitivity level (MSL) is rated at 3 (168 hours), making it suitable for surface mount applications.

CS4299-BQZ Features

• High Dynamic Range: The CS4299-BQZ boasts a dynamic range of 80 dB for ADCs and 85 dB for DACs, ensuring high-quality audio performance.
• Sigma Delta Modulation: This feature enhances the audio quality by reducing quantization noise and improving signal-to-noise ratio.
• Flexible Supply Voltage: The device operates within a wide voltage range of 4.75V to 5.25V for both digital and analog supplies, providing flexibility in power management.
• Serial Data Interface: The serial interface simplifies communication and reduces the number of pins required, making it ideal for compact designs.
• High Resolution: The ADC and DAC offer resolutions of 18 bits and 20 bits respectively, ensuring precise audio processing.
• Surface Mount Compatibility: The surface mount mounting type and 48LQFP package make it suitable for modern PCB designs.
• Environmental Compliance: The CS4299-BQZ is RoHS compliant and REACH unaffected, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: Rated at MSL 3 (168 hours), it is suitable for a variety of manufacturing environments.

CS4299-BQZ Applications

The CS4299-BQZ is ideal for a range of audio applications where high-quality audio processing is required. Some specific use cases include:

• Audio Systems: Ideal for high-fidelity audio systems in consumer electronics, providing superior sound quality.
• Telecommunications: Suitable for telecommunication devices that require high-quality audio encoding and decoding.
• Multimedia Devices: Perfect for multimedia devices such as MP3 players, media players, and other audio-centric gadgets.
• Computer Audio: Enhances the audio performance in desktop and laptop computers, ensuring a rich and immersive audio experience.
• Professional Audio Equipment: Can be used in professional audio equipment such as mixers, recorders, and other studio gear.

Conclusion of CS4299-BQZ

The CS4299-BQZ from Cirrus Logic Inc. is a robust and high-performance Audio AC'97 codec that offers superior audio quality and flexibility. Its high dynamic range, sigma delta modulation, and high-resolution ADC/DAC make it a standout choice for applications requiring precise audio processing. Despite being obsolete, the CS4299-BQZ remains a reliable option for designers looking to integrate high-quality audio into their systems. Its environmental compliance and surface mount compatibility further enhance its suitability for modern electronics manufacturing.