AD1980 AC '97 SoundMAX ® Codec is a codec product produced by Analog Devices. It supports AC '97 2.3 compatible functions, 6 DAC channels, and 5.1 surround sound. It also has S/PDIF output, integrated stereo headphone amplifier, variable rate audio and double rate audio (fS = 96 kHz).
The document is a technical datasheet for the AD1980, an AC '97 SoundMAX Codec manufactured by Analog Devices. The device supports 5.1 surround sound with six digital-to-analog converter (DAC) channels and includes features such as S/PDIF output, an integrated stereo headphone amplifier, and variable sample rates up to 96 kHz.
Key specifications include 20-bit resolution for DACs and 16-bit resolution for ADCs. The codec offers a dynamic range of greater than 90 dB and supports various input types including CD, AUX, line-level mono phone inputs, and selectable microphone inputs with programmable preamplifiers.
| DAC Resolution | 20 Bits |
|---|---|
| ADC Resolution | 16 Bits |
| ADC Signal-to-Noise Ratio | 90 dB |
| Full-Scale Output Voltage | 1 V rms |
| Analog Supply Range | 4.75 to 5.25 V |
| Digital Supply Range | 3.15 to 3.45 V |
The codec supports variable sample rates from 7 kHz to 96 kHz.
Yes, it features an integrated S/PDIF output for digital audio transmission.