PCM2702E/2K

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics:
  • High-quality audio conversion
  • Low power consumption
  • Compact package size
  • USB interface for easy connectivity
• Package: SSOP-28
• Essence: PCM2702E/2K is a high-performance DAC designed for audio applications, providing accurate and clear sound reproduction.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Resolution: Up to 16-bit
• Sampling Rate: Up to 48 kHz
• Signal-to-Noise Ratio (SNR): 98 dB
• Total Harmonic Distortion (THD): 0.006%
• Output Voltage: 2 Vrms
• Power Supply: 5V DC

Pin Configuration

The PCM2702E/2K features the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. VOUTL: Left channel analog output
4. VOUTR: Right channel analog output
5. AGND: Analog ground reference
6. BICK: Bit clock input
7. LRCK: Word clock input
8. DATA: Audio data input
9. SDA: I2C serial data input
10. SCL: I2C serial clock input
11. MUTE: Mute control input
12. VCOM: Common mode voltage output
13. VREF: Reference voltage output
14. AVDD: Analog power supply voltage
15. DVDD: Digital power supply voltage
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection
25. NC: No connection
26. NC: No connection
27. NC: No connection
28. NC: No connection

Functional Features

• High-quality audio conversion with low distortion and noise levels
• USB interface for easy connectivity to various devices
• On-chip digital interpolation filter for improved audio performance
• Integrated headphone amplifier for direct headphone connection
• I2C control interface for flexible configuration options
• Built-in mute function for convenient audio control

Advantages and Disadvantages

Advantages: - High audio quality with low distortion - Compact package size for space-constrained applications - Easy connectivity via USB interface - Flexible configuration options through the I2C control interface

Disadvantages: - Limited resolution and sampling rate compared to higher-end DACs - Requires external power supply for operation

Working Principles

The PCM2702E/2K operates by receiving digital audio data through the DATA pin. It then converts this digital data into analog signals using a built-in digital-to-analog converter. The converted analog signals are then amplified and output through the VOUTL and VOUTR pins. The device is powered by both analog and digital power supplies, ensuring stable operation.

Detailed Application Field Plans

The PCM2702E/2K is widely used in various audio applications, including:

1. USB audio interfaces
2. Portable media players
3. Personal computers and laptops
4. Home theater systems
5. Car audio systems
6. Audio mixers and controllers

Its compact size, high audio quality, and easy connectivity make it suitable for both consumer and professional audio applications.

Detailed and Complete Alternative Models

1. PCM2704: Similar to PCM2702E/2K but with improved specifications and features.
2. PCM2706: Enhanced version with additional features like a built-in microphone input.
3. PCM2900: USB audio DAC with higher resolution and sampling rate capabilities.

These alternative models offer different performance levels and additional functionalities, catering to diverse application requirements.

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