alc850 Realtek Semiconductor Corporation, alc850 Datasheet - Page 10

• Manufacturer Part Number: alc850
• Description: Eight Channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

2.
3.
Eight Channel AC’97 2.3 Audio Codec
Meets performance requirements for audio on
PC99/2001 systems
Complies with AC'97 Rev 2.3 specifications:
Meets Microsoft WHQL/WLP 2.0 audio
requirements
Eight-channel DA converter (48kHz)
Stereo AD converter (48kHz)
Three analog line-level stereo inputs with
5-bit volume control: Line-In, CD, Aux
High-quality differential CD input
Two analog line-level mono inputs: PCBEEP,
Phone-In
Dedicated stereo Front-Mic input for front
panel applications
Line-In, Aux, and Mic-In can be shared with
Surround-Out, Surround-Back-Out, and
Cen/LFE-Out (FlexJack
+20dB boost preamplifier for Mic input
Both Front-Out and Surround-Out integrate
50mW/20ohm amplifiers
Multimedia PCs
PC games
Information appliances (IA)
Voice recognition
Audio conferencing
Jack sensing on Front-Out, Surround-Out,
Cen/LFE-Out, Surround-Back-Out,
Mic-In, Line-In, and Front-Mic-In
Clock input support options:
Integrated PCBEEP generator
Interrupt capability
Page and analog Plug & Play registers
Features
System Applications
24.576MHz) to eliminate crystal
14.318MHz PLL (may be set to
12.288MHz BITCLK input
®
)
2
External Amplifier Power Down (EAPD)
Power management and enhanced power
saving features
Stereo Mic record for AEC/BF application
Supports Power-Off CD operation
Adjustable VREFOUT control
Supports 48kHz S/PDIF output
Supports 32/44.1/48kHz S/PDIF input
Three Universal Audio Jacks (UAJ
Front-Out, Line-In, and Mic-In
Six Jack Detect pins for automatic jack
sensing
Power support:
Standard 48-pin LQFP package
EAX
Direct Sound 3D
A3D
I3DL2 compatible
HRTF 3D positional audio
10-band Software Equalizer
Voice cancellation and key shifting in
Karaoke mode
AVRack
Configuration Panel for enhanced user
experience
Digital: 3.3V
Analog: 3.3V/5V
™
™
compatible
1.0 & 2.0 compatible
®
Media Player
Track ID: JATR-1076-21 Rev. 1.4
™
compatible
Datasheet
®
ALC850
):