AC ’97 SoundMAX® Codec

AC ’97 2.3 COMPLIANT FEATURES
6 DAC channels for 5.1 surround
Greater than 90 dB dynamic range
20-bit resolution on all DACs
S/PDIF Output
Integrated stereo headphone amplifiers
Variable rate audio
Double rate audio (fS= 96 kHz)
Line-level mono phone input
High quality CD mixer input
Selectable MIC input with preamp
AUX and line in stereo inputs
External amplifier power down (EAPD)
Power management modes
Jack sensing and peripheral enumeration/identification
48-lead LQFP package

ENHANCED FEATURES
Integrated parametric equalizer (EQ)
Stereo microphone with preamplifiers
Integrated PLL for system clocking
Variable sample rate 7 kHz to 96 kHz
7 kHz to 48 kHz in 1 Hz increments
96 kHz for double rate audio
Advanced jack sense with auto topology switching
Software enabled VREFOUTfor microphones and external power amp
Software enabled outputs for jack sharing
Auto down-mix and channel spreading
Microphone to mono output
Stereo microphone analog passthrough to outputs
Built-in stereo microphone and Center/LFE pin sharing
Selectable Center/LFE tip/ring swapping to support various speaker products