AK4690EG

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AK4690EG is a versatile and highly integrated chip developed for use in digital audio applications. It is designed to meet the needs of various portable and consumer electronic designs, including portable media players, smart speakers, and mobile phones. The AK4690EG integrates a complete digital audio subsystem, including the I2S bus, a digital-to-analog converter (DAC), a line driver (DPA), and a stereo headphone amplifier (HA). This chip also supports high-resolution audio formats including 96/24 and 192/24 PCM.

The AK4690EG application field includes portable media players, as well as mobile and consumer products. It has been designed to deliver superior audio performance, with high signal-to-noise ratio (SNR), low harmonic distortion (THD), wide dynamic range, and low power consumption. The AK4690EG\'s integrated DAC and stereo headphone amplifier combined with the powerful power management features make it ideal for ultra-low power audio playback, low-cost volume control, and charging applications.

The AK4690EG\'s working principle is based on the S/PDIF data format (Serial Peripheral Interface Format) which is used by most professional audio equipment to simultaneously perform analog-to-digital conversion and digital-to-analog conversion. The S/PDIF format is a high-speed link interface and the AK4690EG can effectively manage and convert this data stream, allowing it to reproduce audio in high-resolution formats. The integrated DAC-HA subsystem is also capable of powering headphones with low voltage, reducing the need for external headphone amplifiers.

The AK4690EG also features embedded filters, which can be used to reduce noise and distortion. The onboard power management also optimizes the power consumption, while improving the overall performance. The AK4690EG is an ideal solution for applications that require high-quality audio, and it can easily be integrated into almost any audio environment.

In conclusion, the AK4690EG is an integrated audio chip designed for use in digital audio applications such as portable media players, smart speakers, and mobile phones. It features a complete digital audio subsystem and supports a variety of high-resolution audio formats. Its embedded filters, built-in power management, and DAC-HA subsystem make it an ideal choice for low power audio playback and charging applications.

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