The CS4299 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 CS4299 enables the design of PC 99-compliant desktop, portable, and entertainment PCs. Coupling the CS4299 with a PCI audio accelerator or core logic supporting the AC ’97 interface, implements a cost effective, superior quality, audio solution. The CS4299 surpasses PC 99 and AC ’97 2.1 audio quality standards.
The CS4299 is a mixed‑signal serial audio codec designed for PC multimedia systems and complies with the Intel Audio Codec ’97 Specification (revision 2.1). It offers four stereo line‑level inputs, two mono line‑level inputs, dual stereo outputs, S/PDIF digital output, and extensive power‑management features.
The document includes detailed characteristics and specifications, a general description of the analog and digital sections, register interface tables, power‑down control information, analog hardware diagrams, S/PDIF interface details, pin descriptions, package dimensions, and reference designs. It also provides timing diagrams for the AC‑Link serial port and a list of related application notes and references.
It is an AC ’97 2.1 compatible stereo audio codec.
Four stereo line‑level inputs (LINE_IN, CD, VIDEO, AUX) and two mono line‑level inputs (Modem, PC Beep).
The standard test condition uses a sample frequency of 48 kHz.
It is offered in a lead‑free 48‑pin LQFP package measuring 9 × 9 × 1.4 mm.