Description

The AK4541VQ is a high-performance codec compliant with the Audio Codec '97 Rev 2.1 requirements. It features an AC Link serial interface and is designed to be used with digital controllers and custom logic accelerators to meet PC98 and PC99 requirements for a PCI audio solution.

Specifications and features

• AC'97 Rev. 2.1 Compliant
• 18-bit Resolution A/D and D/A
• Exceeds PC98/99 Performance Categories:
• A/D: 87dBA SNR
• D/A: 87dBA SNR
• D/A+Mixer: 85dBA SNR
• A-A: 92dBA 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
• Multiple codec Capability - can work as a Primary or Secondary
• EAPD (External Amplifier Powerdown) Support
• Power Supplies: Analog 3.3V, Digital 3.3V
• Lower Power Consumption: 135mW at full operation
• 48 Pin LQFP Package

Application Scenarios

The AK4541VQ can be used in various applications such as PCI audio solutions, digital controllers, and custom logic accelerators.

Comparison

• Compliant with Audio Codec '97 Rev 2.1 requirements
• AC Link serial interface for compatibility with digital controllers
• Can exceed PC98/99 performance categories
• Multiple codec capability
• Supports External Amplifier Powerdown (EAPD)

• None identified