Overview

The AD1989B audio codec and software provide superior HD audio high quality and performance. The AD1989B has ten 101 dB DACs and six 92 dB ADCs, three stereo headphone ports, C/LFE swapping, digital and analog PCBeep, two independent S/PDIF outputs, and an S/PDIF input. The jack retasking feature on this product supports various configurations including 7.1 on 5 jacks, 5.1 on 3 jacks, and front panel jack retasking. The AD1989B is available in a 48-lead RoHS compliant lead frame chip scale package in both reels and trays.

特性 Features

◆ Ten 192 kHz, 101 dB DACs

– 7.1 surround sound plus independent headphone

– All independent sample rates, 8 kHz through 192 kHz

– Selectable stereo mixer on outputs

– 16-, 20-, and 24-bit resolution

◆ Six 192 kHz, 92 dB ADCs

– Simultaneous record of up to 3 stereo channels

– All independent sample rates, 8 kHz through 192 kHz

– 16-, 20-, and 24-bit resolution

◆ S/PDIF output

– 2 independent transmitters, second S/PDIF can support external HDMI interface

– Supports 44.1 kHz through 192 kHz sample rates

– 16-, 20-, and 24-bit data; PCM, and AC3 formats

– Digital PCM gain control

◆ S/PDIF input

– Supports 44.1 kHz through 192 kHz sample rates

– 16-, 20-, and 24-bit data; PCM, and AC3 formats

– Digital PCM gain control

– Auto synchronizes to source sample rate

◆ Dedicated auxiliary pins

– Stereo CD/auxiliary I/O port w/GND sense

– MONO_OUT pin for internal speaker with EAPD support

◆ Presence detection up to 9 jacks

◆ Impedance and presence detection; retasking

◆ 5 adjustable microphone bias pins

◆ Digital and analog PCBeep

◆ 3 digital General-purpose I/O (GPIO) pins

◆ Multiple EAPD pins for external circuit control

◆ 3.3 V analog and digital supply voltages

◆ 1.5 V and 3.3 V HD Audio link signaling

◆ Advanced power management modes

◆ Available in 48-QFN package

Software

◆ Voice input enhancements

◆ Output enhancements

Applications

◆ Embedded Audio