Features: `Integrated Asynchronous I2S Input Port (ZV Port)
`Integrated High-Performance Microphone Pre-Amplifier
`Integrated Digital Effects Processing for Bass and Treble Response
`Digital Docking Including an I2S Output, 3 Synchronous I2S Inputs
`Performance Oriented Digital Mixer
`SRS 3D Stereo Enhancement
`On-chip PLL for use with External Clock Sources
`Dedicated Microphone Analog-to-Digital Converter
`Sample Rate Converters
`S/PDIF Digital Audio Output
`AC '97 2.1 Compliant
`PC Beep Bypass
`20-bit Stereo Digital-to-Analog Converters
`18-bit Stereo Analog-to-Digital Converters
`Three Analog Line-level Stereo Inputs for LINE IN, VIDEO, and AUX
`High Quality Pseudo-Differential CD Input
`Extensive Power Management Support
`Meets or Exceeds the Microsoft PC 99 and PC 2001 Audio Performance Requirements
Pinout
Specifications
| Bus |
Converters |
Feature |
Package |
| AC '97 |
20-bit Stereo DAC; 18-bit Stereo ADC |
Sample-Rate Converter |
48 TQFP/LQFP |
|
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 |
DescriptionThe CS4205 is an AC '97 2.1-compliant, stereo audio CODEC designed for PC multimedia systems. It uses industry-leading Delta-Sigma and mixed-signal technology.
The CS4205 is the first Cirrus Logic AC '97 audio CODEC to feature digital-centric mixing and digital effects. These features and advanced technology are designed to help enable the design of PC 99- and PC 2001-compliant, high-quality audio systems for desktop, portable and entertainment PCs.
Coupling the CS4205 with a PCI audio accelerator or core logic supporting the AC '97 interface implements a cost-effective, superior-quality audio solution. The CS4205 surpasses PC 99, PC 2001 and AC '97 2.1 audio quality standards. Windows? XP and 2000 drivers are available.
CS4205 Data Sheet
