General Description

The AK4543 is a 18bit high performance codec compliant with Audio Codec ’97 Rev 2.1 requirements. The AC Link serial interface allows the AK4543 to be used with digital controllers as well as custom logic accelerators to meet full PC98 and PC99 requirements for a PCI audio solution.

Features

? AC’97 Rev. 2.1 Compliant

? 18bit Resolution A/D and D/A

? Exceeds a PC98/99 Performance Categories:

A/D……………… 90dBA SNR

D/A……………… 90dBA SNR

D/A + Mixer …… 89dBA SNR

A-A……………… 95BA SNR

? Analog Inputs:

4 Stereo Inputs: LINE, CD, VIDEO, AUX

Speakerphone and PC BEEP Inputs

2 Independent MIC Inputs

? Direct PC_Beep Pass Through for lower system costs

? Analog Output:

Stereo LINE Output with volume control

True Line Level with volume control

Mono Output with volume control

? 3D Stereo Enhancement

? Multiple codec Capability

The AK4543 can work as a Primary or Secondary.

? EAPD(External Amplifier Powerdown) Support

? Power Supplies:

Analog 5.0V, Digital 3.3V or 5.0V

? Low Power Consumption

200mW(Analog:5V/Digital:3.3V) at full operation

? 48 Pin LQFP Package

AK4543VQ屬于集成電路（IC） > 編解碼器。旭化成微電子株式會社制造生產的AK4543VQ編解碼器編解碼器是用于通過壓縮和解壓縮來轉換數據的半導體器件。數據壓縮可提高傳輸速度并減少存儲空間。某些編解碼器提供高達 32 位的分辨率，并且分別提供多達 6 個或 8 個模數轉換器和數模轉換器。除三角積分調制外，還有 I2C、I2S、SPI、串行、HDA、S/DIF、PCM、USB、AC'97 和 SLIMbus 數據接口。