AD1986A is a soundMAX codec that supports both AC ’97 and HD audio interfaces. It has 6 DAC channels for 5.1 surround sound output and supports S/PDIF audio output. It also has an integrated headphone amplifier, supports variable rate audio and double rate audio, and has a dynamic range of greater than 90 dB and 20-bit resolution.
The AD1986A is an audio codec that supports both AC‑97 and HD audio interfaces, offering six DAC channels for 5.1 surround sound, integrated headphone amplifiers, and a variable sample rate up to 96 kHz. It includes enhanced features such as a parametric speaker equalizer, multiple microphone inputs, and jack‑sense detection for up to eight jacks.
The handbook provides a functional block diagram, detailed specifications, absolute maximum ratings, pin configuration, register maps for AC‑97 and HD Audio, power‑down states, clock specifications, and mechanical dimensions. Tables list analog and digital performance parameters, power consumption, and ordering information for the various package options.
| Sample Rate | 48 kHz |
|---|---|
| Digital Supply (DVop) | 3.3 V (+10%) |
| Analog Supply (AVop) | 5.0 V (+10%) |
| ADC Resolution | 20 Bits |
| Analog Output Impedance (SURROUND, CENTER/LFE, MONO_OUT) | 300 Ω |
It supports both AC‑97 and HD audio interfaces.
The device provides six DAC channels for 5.1 surround audio.
The codec can operate at a double‑rate of 96 kHz.