This document describes the features and characteristics of the AD1886A AC'97 SoundMAX® Codec, including variable sample rate audio, multiple codec configuration options, and external audio power-down control.
The AD1886A is an AC’97‑compliant 16‑bit stereo audio codec featuring variable sample rates up to 48 kHz, a high‑dynamic‑range stereo headphone amplifier, and multiple line‑level inputs. It supports both analog and digital power supplies and includes optional SPDIF output and low‑power mixer modes.
The document details electrical specifications, timing parameters, absolute maximum ratings, pin assignments, recommended external circuitry, and package dimensions for the 48‑lead LQFP (ST‑48) package.
| Digital Supply Voltage | 3.3 V |
|---|---|
| Analog Supply Voltage | 5.0 V |
| Sample Rate | 48 kHz |
| Resolution | 16 Bits |
| Power Dissipation (5 V/3.3 V) | 306 mW |
| Package Type | 48‑Lead Thin Plastic Quad Flatpack (LQFP) ST‑48 |
The AD1886A supports sample rates up to 48 kHz.
Both the ADC and DAC have a resolution of 16 bits.
The device is supplied in a 48‑lead thin plastic quad flat‑pack (LQFP) designated ST‑48.