This document is an introduction to Cirrus Logic CS4294 Audio Codec, which introduces the features and characteristics of this product.
The CS4294 audio codec is designed for PC multimedia systems and supports AC‘97 2.0 compatibility. It provides four channels of D/A and A/D conversion, three line‑level stereo inputs (LINE IN, CD, AUX), a dedicated ADC for digital docking, and CrystalClear™ stereo enhancement.
Key features include a fixed 48 kHz sampling rate, 6 general‑purpose I/O pins, and a range of programmable registers for volume, mixer, and GPIO control. The device is supplied in a 48‑pin TQFP package and meets Microsoft PC‑98/PC‑99 audio performance requirements.
| Sampling Rate | 48 kHz |
|---|---|
| General‑Purpose I/O Pins | 6 |
| DAC Dynamic Range | 85‑90 dB |
The CS4294 uses a fixed 48 kHz sampling rate.
It provides six general‑purpose I/O pins.
The DAC dynamic range is 85‑90 dB.