CS4205-KQZ

S/N Ratio, ADCs / DACs (db) Typ:	--
Base Part Number:	CS4205
Supplier Device Package:	48-TQFP (9x9)
Package / Case:	48-LQFP
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Digital:	4.75 V ~ 5.25 V
Voltage - Supply, Analog:	4.75 V ~ 5.25 V
Dynamic Range, ADCs / DACs (db) Typ:	90 / 90
Series:	--
Sigma Delta:	Yes
Number of ADCs / DACs:	1 / 2
Resolution (Bits):	18, 20 b
Data Interface:	Serial
Type:	Audio, AC '97
Part Status:	Obsolete
Packaging:	Tray

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CS4205-KQZ Application Field and Working Principle

Introduction

CS4205-KQZ is a high-performance audio codec designed and developed by Cirrus Logic. It is a 3rd generation stereo codec that supports sampling rates of up to 96kHz, with a low-noise platform and high-quality audio performance. It features a wide range of features and performance including enhanced audio quality, reduced power consumption, enhanced audio line-in/out, multiple I2S ports, port boosting, dynamic volume control and optional EQs. CS4205-KQZ is ideal for a variety of audio applications including automotive, professional and consumer audio.

Application Field of CS4205-KQZ

CS4205-KQZ is a versatile codec that is suitable for a variety of audio applications. Its wide range of features makes it an ideal choice for automotive audio systems, professional audio systems, consumer audio systems and even portable audio systems.

Automotive Audio Systems

The CS4205-KQZ is a natural choice for automotive audio systems due to its high-performance audio intercept, low noise floor and audio quality. Its wide range of audio features ensures superior audio performance, with both line-in and line-out ports with noise canceling capability. It also features enhanced dynamic volume control and port boosting, as well as optional equalizer settings.

Professional Audio Systems

The CS4205-KQZ is an ideal choice for professional audio applications due to its low-noise audio performance and wide range of features. It features a high sampling rate of up to 96kHz, making it suitable for multi-track recording and production. It also features complete control over all audio levels, with its line-in, line-out, EQs, and dynamic volume controls.

Consumer Audio Systems

CS4205-KQZ is also a great codec for consumer audio applications, delivering a high-performance audio experience. It features a low noise floor, as well as dynamic volume control and EQs. Its extensive audio performance ensures superior audio quality, making it a perfect choice for hi-fi systems, home cinema systems and portable audio devices.

Portable Audio Devices

The CS4205-KQZ is a great choice for portable audio applications, due to its low power consumption, low noise floor and enhanced audio quality. Its wide range of features makes it suitable for a variety of portable audio devices, including MP3 players, tablets and portable gaming systems.

Working Principle of CS4205-KQZ

The CS4205-KQZ is based on a multistage filter design, with an analog audio signal being filtered through multiple filter stages. The first stage is a high-pass filter, which removes any low-frequency noise and muddiness from the signal. The second stage is a band-pass filter, which limits the signal to a specific frequency range. The third stage is a low-pass filter, which smoothes out the signal and removes any high-frequency noise. The last stage is a digital-to-analog converter, which converts the filtered signal into an analog audio signal.

Conclusion

In conclusion, the CS4205-KQZ is an excellent choice for a variety of audio applications. Its versatile nature makes it suitable for automotive, professional and consumer audio systems, as well as portable audio devices. It is based on a multistage filter design, allowing it to produce high-quality audio with low noise and enhanced performance.

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