CS8421 데이터 시트보기 (PDF) - Cirrus Logic

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CS8421

32-bit, 192-kHz Asynchronous Sample Rate Converter

Cirrus Logic 

CS8421

General Description

The CS8421 is a 32-bit, high-performance, monolithic CMOS stereo asynchronous sample-rate converter.

Digital audio inputs and outputs can be 32, 24, 20, or 16 bits. Input and output data can be completely asynchronous,

synchronous to an external data clock, or the part can operate without any external clock by using an integrated

oscillator.

Audio data is input and output through configurable 3-wire input/output ports. The CS8421 does not require any soft-

ware control via a control port.

Target applications include digital recording systems (DVD-R/RW, CD-R/RW, PVR, DAT, MD, and VTR), digital mix-

ing consoles, high-quality D/A, effects processors, computer audio systems, and automotive audio systems.

The CS8421 is also suitable for use as an asynchronous decimation or interpolation filter. See Cirrus Logic Appli-

cation Note AN270, “Audio A/D Conversion with an Asynchronous Decimation Filter”, available at www.cirrus.com

for more details.

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DS641F4

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