AD1885: AC'97 SoundMAX(R) Codec

Analog Devices' AD1885 AC'97 SoundMAX(R) 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(R) v2.0

The AD1885 stereo CODEC is an integral part of SoundMAX(R) 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(R) Pentium III and Celeron processors to implement audio synthesis and 3D effects processing. SoundMAX(R) 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(R) is a trademark of Analog Devices, Inc.
Update: 01/2000

AD1885 特点

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
Extended 6-Bit Headphone Volume Control
Digital Audio Mixer Mode
PhatTM Stereo 3D Stereo Enhancement
Split Power Supplies (3.3 V Digital/5 V Analog)
Mobile Low-Power Mixer Mode