General Description
The AK4545 is a 18bit high performance codec which supports variable sampling rate conversion compliant with Audio Codec ’ 97 Rev 2.1 requirements.

Features
• AC’ 97 Rev. 2.1 Compliant
• S/PDIF output
• 18bit Resolution A/D and D/A
• Exceeds PC99 Performance Requirements:
    AK4545 (@fs=48k)
    A/D……………… 90dBA
    D/A……………… 89dBA
    A-A………………95dBA
• Analog Inputs:
    4 Stereo Inputs: LINE, CD, VIDEO, AUX
    Speakerphone and PC BEEP Inputs
    2 Independent MIC Inputs
• Variable Sampling Rate Support
    48k, 44.1k, 32k, 22.05k, 16k, 11.025k, 8k
• Analog Output:
    Stereo LINE Output with volume control
    True Line Level with volume control
    Mono Output with volume control
• 3D Stereo Enhancement
• POP Function & DAC Feed Back Control
• EAPD(External Amplifier Powerdown) Support
• Power Supplies: Analog 5.0V, Digital 3.3V
• Low Power Consumption
    215mW(Analog:5V/Digital:3.3V) at full operation
• 48 Pin LQFP Package