AK4104ET Integrated Circuits (ICs)

Supplier Device Package:	16-TSSOP
Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Digital Audio Transmitter
Applications:	Audio Systems
Number of Channels:	1
Interface:	Serial
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	-20°C ~ 85°C (TA)
Specifications:	24 b
Package / Case:	16-TSSOP (0.173", 4.40mm Width)

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Introduction:
AK4104ET is an audio-specialized integrated circuit developed by Asahi Kasei Microdevices Corporation. It is made as an analog- and digital-compatible multi-channel receiver, with an input sample rate of up to 24-bit and sampling frequency up to 192 kHz. This IC has become a very popular and practically invaluable part in the world of digital audio systems.
Application Fields:
The principal users of the AK4104ET are digital music players and home theater systems. This IC is very helpful in these systems because it is designed to take a digital audio input, which may have come from an MP3 player, an external source such as a media player or a TV, or even directly from a computer, and convert it into a single analog signal that can be used by the amplifier for audio reproduction.
The AK4104ET is also often used in professional audio mixing consoles and broadcasting applications. It can be used for a variety of functions, such as mixing and routing multiple audio signals, converting digital audio signals to an analog format, and providing a general-purpose audio interface to external audio devices.
Working Principle:
The AK4104ET uses an internal 48-bit digital audio processor to convert digital audio data into one or more output channels. The IC includes a built-in sample rate conversion circuit and a low-jitter phase-locked loop (PLL), and its output interfaces are compatible with both I2S and S/PDIF audio formats. This makes the AK4104ET an invaluable tool for digital audio systems that require high-fidelity performance with low power consumption.
The IC also features input and output voltage levels that are adjustable, allowing it to work with both analog and digital circuits. Additionally, it provides a wide range of support for different audio formats, including MP3, AAC, WMA, and AIFF. It also supports a variety of time-code formats such as MIDI, DV and SMPTE.
Conclusion:
The AK4104ET audio IC is an invaluable part of the modern digital audio system. It is designed specifically for audio-specialized applications, and its ability to convert digital audio data into one or more output channels make it very useful for a wide range of applications, such as digital music players, home theater systems, professional audio mixing consoles, and broadcasting. Its low power consumption and adjustable input and output levels also make it suitable for a variety of digital audio systems.

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