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Home arrow How To arrow Audio lines arrow Cirrus Logic A/D converters
 
 
Cirrus Logic A/D converters PDF Print E-mail
Written by Administrator   
Austin, Texas — Cirrus Logic Inc. rolled out an audio analog-to-digital converter (A/D converter) IC that is said to eliminate the need for multiple stereo A/D converters for surround-sound or multichannel applications.

Through feature integration, the CS5368 provides system designers with a space-saving device that streamlines product development, reduces design complexity and lowers overall system cost compared to boards that use multiple stereo A/D converters, said Jason Rhode, vice president of Cirrus' Mixed-Signal Audio Products Division.

The CS5368 is the industry's first eight-channel audio A/D converter to feature a high-speed Time-Division Multiplexing (TDM) interface, which provides a serial output of eight channels of audio data with sample rates up to 192 kHz within a single data stream, Rhode said. This capability reduces layout constraints and relieves input and output constraints on digital signal processors, he said. In addition, low latency digital filtering makes the CS5368 suited for live-sound and real-time audio applications.

The A/D converter is intended for a wide variety of consumer and professional audio applications, such as audio/video receivers, home theater systems, digital mixing consoles, outboard audio converters, PC soundcards, external audio interfaces, DSP amplifiers and various automotive audio systems.

Cirrus Logic also offers the IC in pin-compatible four- and six-channel options (CS5364 and CS5466). Each IC provides dynamic range of 114 dB and a negligible low-noise measurement of -105 dB total harmonic distortion plus noise (THD+N).

The ICs also feature a differential architecture that provides excellent noise rejection and performs sampling, analog-to-digital conversion and anti-alias filtering. Each IC also supports all common PCM and TDM audio formats.

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The CS5368/66/64, which are currently sampling, are available in 48-pin LQFP packages and are priced at $11.61, $10.35, and $9.09, respectively, in quantities of 10,000. Click here for the CS5368/66/64 data sheets.

 

Cirrus Logic, 1-800-625-4084, www.Cirrus.com.





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