AD1989B Rev. 0 is a high-definition audio decoder from Analog Devices. It supports 192kHz sample rate and 101dB dynamic range, and has 7.1 surround sound and independent headphone functions.
The AD1989B is a high‑definition audio codec with ten 101 dB DACs and six 92 dB ADCs, supporting up to 7.1 surround sound, S/PDIF I/O, and multiple software enhancements. It is offered in a 48‑lead RoHS‑compliant LFCSP package for PC audio applications.
The document provides detailed specifications such as sample‑rate support, resolution, dynamic range, power‑down states, absolute maximum ratings, and default configuration bytes, along with jack configuration tables and ordering information.
| Sample Rate (fs) | 48 kHz |
|---|---|
| Dynamic Range (DAC) | 101 dB |
| Analog Supply Voltage | 3.3 V ±5 % |
| Digital Supply Voltage | 3.3 V ±10 % |
| Power‑Down Current (Codec in RESET) | 3 mA |
The device supports a sample rate of up to 48 kHz as listed in the test conditions.
The AD1989B includes ten DAC channels with 101 dB dynamic range.
In RESET the codec draws 3 mA, while other power‑down states range from 1 mA to 73 mA.
The AD1989B is offered in a 48‑lead LFCSP_VQ chip‑scale package, either in tape‑and‑reel or tray form.