92HD91B2X5NLGIWCX8 Integrated Circuits (ICs)

S/N Ratio, ADCs / DACs (db) Typ:	--
Base Part Number:	IDT92HD91
Supplier Device Package:	48-VFQFPN (7x7)
Package / Case:	48-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Digital:	3.135 V ~ 3.465 V
Voltage - Supply, Analog:	4.75 V ~ 5.25 V
Dynamic Range, ADCs / DACs (db) Typ:	94 / 98
Series:	--
Sigma Delta:	No
Number of ADCs / DACs:	2 / 2
Resolution (Bits):	24 b
Data Interface:	--
Type:	Audio, HD
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
Interface-CODECs is a highly used and important segment of computing technology. The use of CODECs in computing allows users to store and transfer data in various forms. One such CODEC is the type of the 92HD91B2X5NLGIWCX8, which is primarily employed in audio applications. This particular type of CODEC is used to provide high-quality audio playback with minimal power consumption and maximum compatibility.

Background
The 92HD91B2X5NLGIWCX8 CODEC is an integrated audio playback controller and Digital Signal Processor (DSP) that was released by the company Realtek in 2014. The 92HD91B2X5NLGIWCX8 is capable of playback across a wide range of audio formats such as MP3, WMA and AAC. The device operates using the hyperlink audio port which is a derivative of the IEEE1394b interface. This type of connection is used to transfer digital audio signals from playback devices such as PCs or Smartphones to external speakers and headphones.

Application Field
The 92HD91B2X5NLGIWCX8 CODEC is a versatile and robust device that is widely used in a variety of audio applications. One of the most common applications is in portable audio players, which are predominantly used to store and listen to music. The 92HD91B2X5NLGIWCX8 allows digital audio content to be encoded and stored at a low bitrate while preserving audio quality. The low power consumption of the device makes it an ideal choice for battery operated devices.
The device is also commonly used in PC and Mac based music players. These audio players usually require a significant amount of system resources for decoding audio content. By using the 92HD91B2X5NLGIWCX8, the required system resources can be significantly reduced without compromising audio quality.
The 92HD91B2X5NLGIWCX8 is also used in gaming consoles and home theater systems. The CODEC is able to produce extremely clear audio and videos with minimal latency, thus making the gaming or home theater experience more enjoyable.

Working Principle
The 92HD91B2X5NLGIWCX8 CODEC operates using two main components – the Digital Signal Processor and the Audio Codec. The Digital Signal Processor (DSP) is responsible for performing a variety of audio processing operations such as converting and mixing digital audio signals, analyzing and decoding digital audio files, and decompressing audio formats. The Audio Codec is responsible for encoding and compressing digital audio data into a form that can be transmitted over a network.
The Digital Signal Processor and Audio Codec are connected to the PC via the hyperlink audio port. The hyperlink audio port is a derivative of the IEEE1394b interface, which is a high-speed, point-to-point digital audio connection. The hyperlink audio port is capable of transferring digital audio signals from playback devices such as PCs or Smartphones to external speakers and headphones.
Once the audio signals are received by the CODEC, the DSP processes the audio signals and the Audio Codec encodes and compresses them into a format suitable for transmission. The audio signals are then transmitted to the PC or playback device via the hyperlink audio port. Upon reception, the audio signals are decoded and converted back into their original form so that they can be played on the playback device.

Conclusion
The 92HD91B2X5NLGIWCX8 CODEC is a powerful and versatile device that is used in a variety of audio applications. The device operates using two main components – the Analog-to-Digital Convertor and the Digital Signal Processor. The DSP is responsible for performing a variety of audio processing operations such as converting and mixing digital audio signals, analyzing and decoding digital audio files, and decompressing audio formats. The Audio Codec is responsible for encoding and compressing digital audio data into a format suitable for transmission. The low power consumption of the device makes it an ideal choice for battery operated devices.

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