High Definition Audio SoundMAX® Codec
AD1988A/AD1988B
ENHANCED FEATURES
FEATURES
Ten 192 kHz DACs
Three stereo headphone amps
Five independent stereo DAC pairs
AD1988A: Windows Vista™ Operating System Premium Logo
7.1 surround sound plus independent headphone
Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
sample rates
Selectable stereo mixer on outputs
16-, 20-, and 24-bit PCM resolution
Six 192 kHz ADCs
compliant
95 dB outputs
90 dB audio inputs
AD1988B: Windows Vista Premium Logo compliant and
Dolby Master Studio™ compliant
101 dB outputs
92 dB audio inputs
Three independent stereo ADC pairs
Simultaneous record of up to three stereo channels
Support for quad microphone arrays plus independent
capture channel
Internal 32-bit arithmetic for greater accuracy
Impedance and presence detection on all jacks
Analog PCBEEP and digital synthesis BEEP
C/LFE channel swap
Independent 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
sample rates
16-, 20-, and 24-bit resolution
S/PDIF output
Two general-purpose digital I/O (GPIO) pins
3.3 V analog and digital supplies
Reduced support components
Advanced power management modes
48-pin LQFP and LFCSP_VQ package options, Pb-free
Supports Andrea Active Noise Reduction headphones
Hardware volume control
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
sample rates
16-, 20-, and 24-bit data widths
PCM, WMA/PRO, Dolby®, AC3, and DTS® formats
Digital PCM gain control
Built-in microphone gain amps
Adjustable microphone bias pins
Digital PCM ADC/stream mixer
S/PDIF input
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
sample rates
16-, 20-, and 24-bit data widths
PCM, WMA/PRO, Dolby, AC3, and DTS formats
Digital PCM gain control
Auto synchronizes to source
High quality stereo CD input with GND sense
MONO_OUT pin for internal speakers or telephony
Retasking jack support
Rev. 0
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