AK4528VM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Codec
• Characteristics: High-performance, low-power consumption
• Package: 32-pin QFN (Quad Flat No-leads) package
• Essence: AK4528VM is a high-quality audio codec designed for professional audio applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Analog Inputs: 4 channels (differential inputs)
• Analog Outputs: 8 channels (differential outputs)
• Digital Interface: I2S (Inter-IC Sound) format
• Sampling Rate: Up to 192 kHz
• Resolution: 24-bit
• Dynamic Range: 112 dB (ADC), 114 dB (DAC)
• Total Harmonic Distortion + Noise: -95 dB (ADC), -98 dB (DAC)
• Power Supply Voltage: 3.3 V
• Power Consumption: 50 mW (typical)

Pin Configuration

The AK4528VM features a 32-pin QFN package with the following pin configuration:

1. MCKI (Master Clock Input)
2. BICK (Bit Clock Input)
3. LRCKI (Left/Right Clock Input)
4. SDTI (Serial Data Input)
5. SDTO (Serial Data Output)
6. GND (Ground)
7. AVDD (Analog Power Supply)
8. DVDD (Digital Power Supply)
9. AGND (Analog Ground)
10. DGND (Digital Ground)
11. AINL1 (Analog Input Left Channel 1)
12. AINR1 (Analog Input Right Channel 1)
13. AINL2 (Analog Input Left Channel 2)
14. AINR2 (Analog Input Right Channel 2)
15. AINL3 (Analog Input Left Channel 3)
16. AINR3 (Analog Input Right Channel 3)
17. AINL4 (Analog Input Left Channel 4)
18. AINR4 (Analog Input Right Channel 4)
19. VCOM (Common Voltage Output)
20. VREF (Reference Voltage Output)
21. AGND (Analog Ground)
22. DGND (Digital Ground)
23. AOUTL1 (Analog Output Left Channel 1)
24. AOUTR1 (Analog Output Right Channel 1)
25. AOUTL2 (Analog Output Left Channel 2)
26. AOUTR2 (Analog Output Right Channel 2)
27. AOUTL3 (Analog Output Left Channel 3)
28. AOUTR3 (Analog Output Right Channel 3)
29. AOUTL4 (Analog Output Left Channel 4)
30. AOUTR4 (Analog Output Right Channel 4)
31. NC (No Connection)
32. NC (No Connection)

Functional Features

• High-quality audio conversion with low distortion and noise levels.
• Supports multiple input and output channels for versatile audio applications.
• Wide sampling rate range up to 192 kHz for high-resolution audio processing.
• Low power consumption for energy-efficient designs.
• Integrated digital filters and decimation/interpolation circuits for enhanced audio performance.

Advantages and Disadvantages

Advantages: - High-performance audio codec suitable for professional applications. - Excellent signal-to-noise ratio and dynamic range. - Compact package size for space-constrained designs. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited pin count may restrict the number of input/output channels in complex audio systems. - Requires external components for voltage regulation and filtering.

Working Principles

The AK4528VM is based on a delta-sigma architecture, utilizing oversampling techniques to achieve high-resolution audio conversion. It employs advanced digital signal processing algorithms to minimize distortion and noise, resulting in accurate and faithful audio reproduction.

The analog inputs are converted into digital signals using a high-resolution ADC (Analog-to-Digital Converter), while the digital signals are converted back to analog using a high-performance DAC (Digital-to-Analog Converter). The integrated digital filters and decimation/interpolation circuits ensure precise audio signal processing.

Application Field Plans

The AK4528VM is widely used in various professional audio applications, including:

1. Audio recording and mixing consoles
2. Digital audio workstations (DAWs)
3. Musical instruments and synthesizers
4. Professional audio interfaces
5. Broadcast and studio equipment
6. Home theater systems

Its high-quality audio conversion capabilities make it suitable for demanding audio production environments where accuracy and fidelity are crucial.

Alternative Models

For alternative options with similar functionality, the following models can be considered:

1.