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High Definition Audio SoundMAX® Codec
AD1988A/AD1988B
FEATURES
Ten 192 kHz DACs
Five independent stereo DAC pairs
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
Three independent stereo ADC pairs
Simultaneous record of up to three stereo channels
Support for quad microphone arrays plus independent
capture channel
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
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
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
ENHANCED FEATURES
Three stereo headphone amps
AD1988A: Windows Vista™ Operating System Premium Logo
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
Internal 32-bit arithmetic for greater accuracy
Impedance and presence detection on all jacks
Analog PCBEEP and digital synthesis BEEP
C/LFE channel swap
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
Built-in microphone gain amps
Adjustable microphone bias pins
Rev. 0
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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