CS4297A

Features:

AC '97 2.1 Compatible
Industry Leading Mixed Signal Technology
20-bit Stereo Digital-to-Analog Converters
18-bit Stereo Analog-to-Digital Converters
Four Analog Line-level Stereo Inputs for LINE_IN, CD, VIDEO, and AUX
Two Analog Line-level Mono Inputs for Modem and Internal PC Beep
Dual Stereo Line-level Outputs for LINE_OUT and ALT_LINE_OUT
Dual Microphone Inputs
High Quality Pseudo-Differential CD Input
Extensive Power Management Support
Meets or Exceeds the Microsoft^(k) PC 99 Audio Performance Requirements
S/PDIF Digital Audio Output
CrystalClear^(k) 3D Stereo Enhancement




Pinout






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)	-	-	1.25	W
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	-	150	°C

Description

The CS4297A is an AC '97 2.1 compatible stereo audio codec designed for PC multimedia systems. Using the industry leading CrystalClear delta-sigma and mixed signal technology, the CS4297A enables the design of PC 99-compliant desktop, portable, and entertainment PCs.Coupling the CS4297A with a PCI audio accelerator or core logic supporting the AC '97 interface, implements a cost effective, superior quality, audio solution. The CS4297A surpasses PC 99 and AC '97 2.1 audio quality standards.