Analog Devices' AD1885 AC'97 SoundMAX® Codec provides stereo analog I/O on PC motherboard and peripheral devices, as part of the signal chain for delivery of high quality audio to PC-connected speakers, headphones, and microphone devices. AD1885 includes high-fidelity analog/digital, digital/analog, and sample rate converters, as well as power amplifier and programmable gain blocks. AD1885 and SoundMAX® v2.0 The AD1885 stereo CODEC is an integral part of SoundMAX® v2.0 motherboard sound system. SoundMAX v2.0 consists of the AD1885 analog CODEC and companion Windows software drivers that take advantage of today's Intel® Pentium III and Celeron processors to implement audio synthesis and 3D effects processing. SoundMAX® v2.0, along with technology from partners Sensaura and Staccato Systems, delivers more realistic audio for Internet, voice recognition, and 3D gaming application to the complete spectrum of PCs. SoundMAX® is a trademark of Analog Devices, Inc. Update: 01/2000 * Full Duplex Variable Sample Rates from 7040 Hz to 48 kHz with 1 Hz Resolution * Up to Three Codecs Can Be Chained on a Single 5-Wire Interface * Jack Sense Pins Provide Automatic Output Switching * Extended 6-Bit Master Volume Control * Software-Enabled VREFOUT Output for Microphones and External Power Amp