AD1985中文资料亚德诺数据手册PDF规格书

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