CS4298

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 Microsoft's ® PC 98 and PC 99 audio performance requirements
`CrystalClear™ 3D Stereo Enhancement


Specifications

Parameter		Min	Typ	Max	Unit
Power Supplies	+3.3 V Digital +5 V Digital Analog	-0.3 -0.3 -0.3	- - -	6.0 6.0 6.0	V V V
Total Power Dissipation	(Supplies, Inputs, Outputs)	-	-	750	mW
Input Current per Pin	(Except Supply Pins)	-10	-	10	mA
Output Current per Pin	(Except Supply Pins)	-15	-	15	mA
Analog Input voltage		-0.3	-	AVdd + 0.3	V
Digital Input voltage		-0.3	-	DVdd + 0.3	V
Ambient Temperature	(Power Applied)	-55	-	110	°C
Storage Temperature		-65	-	115	°C

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..