AK4482VT Integrated Circuits (ICs)

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The AK4482VT is a monolithic linear-phase compensation digital volume control integrated circuit designed in a 16-pin SOP form factor. As a volume control device, it can adjust the output playback level of digital audio content by smoothing out abrupt changes in volume and working as a low-noise analog volume control. It can be operated with minimal power consumption and is suitable for battery-powered products, making it an ideal choice for a wide range of applications from portable digital audio players to consumer entertainment systems.

The AK4482VT features a built-in low-noise amplifier and high-efficiency analog volume control. This enables the device to accurately and quickly adjust the output level of digital audio content from multiple sources. The analog output factor is adjustable in 16 steps using a 5-bit digital volume control, smooth volume transitions are provided with the help of the linear-phase compensation circuitry. This allows it to accurately render playback sounds without coloration and distortions.

The device offers a wide power supply range of 4.5V to 6V, along with low power consumption of less than 6mA, which makes it an ideal choice for battery-powered applications. It is designed to meet the needs of high-end audio applications and supports higher sampling rates, up to 4096kHz, making it suitable for PCM, DSD and other audio formats.

In addition to its digital volume control function, the AK4482VT also offers an I2S digital audio output port, a digital mute input port, and up to 4 stereo analog output ports with full-swing, output pop guard features for preventing distortion. This makes it an ideal choice for applications requiring multiple audio outputs such as digital audio players and portables with multiple speakers.

The AK4482VT offers an integrated power-down mode for reducing power consumption, along with an on/off mute/unmute control feature for reducing signal noise during quiescent periods. The integrated input signal level detector can be used to detect the audio signal level, enabling the device to accurately adjust the analog volume level without the risk of causing audio distortion.

The device also offers an integrated temperature-compensated crystal oscillator (TCXO) and linear-phase compensation effect. These features enable the device to accurately adjust the playback level of digital audio content while providing distortion-free playback.

In summary, theAK4482VT is a 16-pin SOP monolithic linear-phase compensation digital volume control integrated circuit designed for use in high-end audio applications. It features low power consumption, multiple stereo outputs and advanced linear-phase compensation effect for distortion-free playback. This makes the AK4482VT a suitable choice for applications from portable digital audio players to consumer entertainment systems.

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