AD1989B Datasheet, PDF (1/2 Pages) Analog Devices – High Definition Audio SoundMAX Codec

AD1989B SoundMAX HD Audio Codec With 10 DACs,
6 ADCs, and SPDIF I/O
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
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.
Block Diagram
S/PDIF Rx
S/PDIF Tx
S/PDIF Tx
S/PDIF IN
S/PDIF OUT 2 (HDMI)
S/PDIF OUT 1
Digital and
Analog
PCBeep
HD
Audio
Interface
DAC3
DAC2
DAC1
DAC0
GPIO
and
EAPD
ADC2
ADC1
ADC0
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Port F
Port G
Port D
MONO OUT
Port E
Port A
Port B
Port C
Digital
Microphone
DM_DATA
DM_CLK
Part Number AD1989B
Description SoundMAX HD Audio
Codec