PRODUCT OVERVIEW

The AD1847 SoundPort® Stereo Codec integrates key audio data conversion and control functions into a single integrated circuit. The AD1847 is intended to provide a complete, low cost, single-chip solution for business, game audio and multimedia applications requiring operation from a single +5 V supply. It provides a serial interface for implementation on a computer motherboard, add-in or PCMCIA card. See Figure 1 for an example system diagram.

FEATURES

Single-Chip Integrated SD Digital Audio Stereo Codec

Supports the Microsoft Windows Sound System*

Multiple Channels of Stereo Input

Analog and Digital Signal Mixing

Programmable Gain and Attenuation

On-Chip Signal Filters Digital Interpolation and Decimation Analog Output Low-Pass

Sample Rates from 5.5 kHz to 48 kHz

44-Lead PLCC and TQFP Packages

Operation from +5 V Supplies

Serial Digital Interface Compatible with ADSP-21xx Fixed-Point DSP