Asahi Kasei Microdevices

AK4618VQ

AK4618VQ Description

The AK4618VQ is a high-performance audio codec integrated circuit (IC) designed by Asahi Kasei Microdevices (AKM). This 24-bit audio codec is renowned for its exceptional dynamic range and signal-to-noise ratio (SNR), making it an ideal choice for applications requiring high-fidelity audio processing. The AK4618VQ features six analog-to-digital converters (ADCs) and twelve digital-to-analog converters (DACs), each offering a dynamic range of 98 dB and 106 dB respectively, ensuring superior audio quality. The device operates with a digital supply voltage range of 3V to 3.6V and an analog supply voltage range of 3V to 3.6V, making it suitable for a variety of power supply configurations.

The AK4618VQ is equipped with an I2C data interface, facilitating easy communication with microcontrollers and other digital systems. Housed in a surface-mount package, it is designed for efficient integration into compact and high-density electronic designs. The device is available in a tape and reel (TR) package, which is ideal for automated assembly processes. Despite its obsolescence, the AK4618VQ remains a reliable choice for legacy systems and applications where its unique features are still highly valued.

AK4618VQ Features

• High Dynamic Range and SNR: The AK4618VQ boasts a dynamic range and SNR of 98 dB for ADCs and 106 dB for DACs, ensuring high-fidelity audio performance.
• 24-bit Resolution: With a 24-bit resolution, the codec provides detailed and precise audio processing, suitable for professional audio applications.
• Multiple ADCs and DACs: The device includes six ADCs and twelve DACs, allowing for versatile and simultaneous audio processing capabilities.
• I2C Data Interface: The I2C interface simplifies integration with digital systems, enabling efficient data transfer and control.
• Wide Supply Voltage Range: Operating within a 3V to 3.6V supply voltage range for both digital and analog supplies, the AK4618VQ offers flexibility in power supply design.
• Surface-Mount Packaging: The surface-mount package ensures ease of integration into modern, compact electronic designs.
• Moisture Sensitivity Level (MSL) 3: With an MSL of 3 (168 hours), the device is suitable for various environmental conditions, ensuring reliability and durability.

AK4618VQ Applications

The AK4618VQ is well-suited for a range of applications that demand high-quality audio processing. Its high dynamic range and SNR make it ideal for professional audio equipment, such as mixing consoles, studio monitors, and high-end audio interfaces. The multiple ADCs and DACs allow for simultaneous processing of multiple audio channels, making it suitable for multi-channel audio systems and surround sound applications. Additionally, its I2C interface and surface-mount packaging make it a practical choice for compact and high-density consumer electronics, such as portable audio devices, smart speakers, and home theater systems.

Conclusion of AK4618VQ

The AK4618VQ is a versatile and high-performance audio codec IC that offers superior audio quality and processing capabilities. Despite being marked as obsolete, its unique features and performance benefits continue to make it a valuable component for legacy systems and applications requiring high-fidelity audio processing. With its wide supply voltage range, multiple ADCs and DACs, and I2C interface, the AK4618VQ remains a reliable choice for a variety of professional and consumer audio applications.