Winbond Electronics Corporation W83971D
W83971D is a high performance codec compliant with Audio Codec′97 Rev1.03 requirements, in addition to 3D stereo enhancement. The definition of AC Link serial interface allows the W83971D to be used with DC97 controller as well as various digital controller which have AC Link interface. Packaged in a small 48-pin LQFP , the W83971D can be placed on the motherboard, daughter board, add-on cards, PCMCIA cards, or outside the main chassis such as in speakers.| Part No. | W83971D |
|---|---|
| Datasheet | W83971D Download |
| Manufacturer |  Winbond Electronics Corporation |
| Description | AC97 AUDIO CODEC |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The Winbond 2. FEATURE LIST● 16-bit stereo full-duplex codec with fixed 48KHz sampling rate
● S/N ratio: 85dB (analog to analog), 75dB(analog to digital), 85dB(digital to analog)
● Four analog line-level stereo inputs for connection from LINE IN, CD, VIDEO, and AUX
● Two analog line-level mono inputs for speakerphone and PC BEEP
● Mono mic input switchable from two external sources
● High quality pseudo-differential CD input
● Stereo line-level output
● Mono output for speakerphone
● 3D stereo enhancement
● Multiple Codec Support
● Power management support
● Single 5V supply or analog 5V, digital 3.3V
● Packaged in 48-pin LQFP -4- 3. FUNCTIONAL BLOCK DIAGRAM Preliminary W83971D PC_BEEP PHONE LINE CD VIDEO AUX MIC1 MIC2 SYNC BIT_CLK SDATA_OUT SDATA_IN RESET# XTL_IN XTL_OUT PCM OUT M VOL U X +20dB AC'97 Digital Interface DAC VOL VOL VOL VOL VOL VOL MUTE MUTE MUTE MUTE MUTE MUTE OSC OSC ∑ MASTER VOLUME ∑ 33DD ∑ ∑ M U X MONO VOLUME ∑ M U MASTER INPUT ADC X VOLUME PCM IN LINE_OUT MONO_OUT Figure 3.1: W83971D Functional Block Diagram Publication Release Date: July 1999 -5- Revision A1 4.
