Description

The AK4540VQ is a 18-bit high performance codec compliant with Audio Codec ’97 Rev 2.1 requirements. It is an electronic component in the IC Chips product category. The AC Link serial interface allows the AK4540VQ to be used with digital controllers as well as 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 a 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
       The AK4540VQ 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 AK4540VQ can be used in various audio applications such as PCI audio solutions in computers. It is also suitable for systems requiring high performance and compliance with Audio Codec ’97 Rev 2.1 requirements.

Comparison

- Compliant with Audio Codec ’97 Rev 2.1 requirements
- High performance with 18-bit resolution A/D and D/A
- Multiple codec capability
- Lower power consumption at 135mW

- Limited to 48 pin LQFP package