K41A834

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K41A834 is a USB-to-I2S/SPDIF Audio Converter IC, which is used for all kinds of digital audio converters in various industrial audio fields. It is a high quality and low cost application solution with one USB full speed (12Mbps) interface and one digital signal output interface. K41A834 integrates the functions of two front-stage USB alignment controllers, a digital audio interface, and more features such as data integrity check and recovery.

Application Field of K41A834

The K41A834 is designed for rapid development of interface devices such as Android phones, tablet PCs, smart TVs, digital audio players, power amplifiers, digital audio speakers, and car audio systems. Relevant products based on K41A834 can transfer digital audio data from PC to home theater. As well as this, it can also transfer digital audio data from USB enabled products (even mobile phones and tablets) to professional audio devices and audio recording devices etc.

Working Principle of K41A834

The core component of K41A834 is a USB full speed 12Mbps digital signal processor, which is responsible for USB data transfer. When connected to a computer or other digital audio source, digital audio data is transmitted from the source to the conversion IC, driven by the processor. At the same time, the USB interface controller is responsible for token processing, data compatibility, data integrity check, packet and format conversion. The K41A834 also provides two audio signal design sub-modules, which are used for transmitting digital audio data from the USB port to the I2Sbus/SPDIF signal decoding interface. There are several signal design options from the application. For example, there are options for different sampling rates, data length, I2S bus and SPDIF bus structure and so on.

In this way, the K41A834 audio converter IC provides a simple and cost-effective solution as a link between the USB device and the audio receiver. Its features give the device ample room for design or integration into various production systems, making it the ideal choice for digital audio conversion.

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