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DESCRIPTION

The CS4298 is an AC ‘97 compatible Audio/Modem Codec designed for PC multimedia systems. Using the industry leading CrystalClear? deltasigma and mixed signal technology, the CS4298 is ideal for PC 98-compliant desktop, notebook, and entertainment PCs, where high-quality audio and modem features are required.The CS4298 offers four channels of D/A and A/D conversion along with analog mixing and 3D processing. For multichannel audio systems, the CS4298 can provide four audio channels. For combined audio/modem systems, the CS4298 can provide a modem AFE, voice codec, and stereo audio codec..

FEATURES

■ AC ‘97 2.0 compatible

■ 20-bit stereo output and 18-bit stereo input codec with fixed 48 kHz sampling rate

■ 20-bit output and 18-bit input dual modem AFE with fixed 48 kHz sampling rate

■ Dedicated ADC for handset or speakerphone

■ Four analog line-level stereo inputs for connection from LINE IN, CD, VIDEO, and AUX

■ High quality pseudo-differential CD input

■ Dual stereo line level output with independent 6- bit volume control

■ 10 General Purpose I/O pins for Modem DAA controls

■ IEC-958 Digital Output (S/PDIF)

■ Meets or exceeds Microsofts ? PC 98 and PC 99 audio performance requirements

■ CrystalClear? 3D Stereo Enhancement