ALC650.AC’97 audio codec.Datasheet

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SIX CHANNEL AC’97 AUDIO CODEC

High performance CODEC with high S/N ratio (>90 dB)
18-bit ADC and 20-bit DAC resolution
Compliant with AC’97 2.2 specifications
18-bit stereo full-duplex CODEC with independent and variable sampling rate
4 analog line-level stereo inputs with 5-bit volume control: LINE_IN,CD,VIDEO,AUX
2 analog line-level mono inputs: PC_BEEP,PHONE_IN
Mono output with 5-bit volume control
Stereo output with 5-bit volume control
6 channel slot selectable DAC output for multi-channel applications
One standard MIC input, and one dedicated Front-MIC input for front panel applications (software selectable)
LINE Inputs shared with surround output; MIC1 and MIC2 shared with Center and LFE output
2 MIC inputs, which are software selectable
Power management capabilities
3D Stereo enhancement
Embedded 50mW/20ohm OP at front LINE output
External amplifier power down capability
Digital S/PDIF output
Digital S/PDIF input. (ALC650 Rev. E or later)
No external crystal/clock required
Supports 1 general purpose I/O pin
Power supply: Digital:3.3V; Analog: 5V/3.3V
Standard 48-Pin LQFP Package