Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
PCM2702E/2K
Visa detalj Datablad

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.

Word count: 536 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PCM2702E/2K i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PCM2702E/2K:

  1. Q: What is PCM2702E/2K?
    A: PCM2702E/2K is a USB audio DAC (Digital-to-Analog Converter) chip designed for audio applications.

  2. Q: What are the key features of PCM2702E/2K?
    A: The key features include USB connectivity, support for various audio formats, built-in headphone amplifier, and low power consumption.

  3. Q: How can I connect PCM2702E/2K to my computer?
    A: You can connect PCM2702E/2K to your computer using a USB cable.

  4. Q: Can PCM2702E/2K be used in portable audio devices?
    A: Yes, PCM2702E/2K is suitable for portable audio devices due to its low power consumption and compact size.

  5. Q: What audio formats does PCM2702E/2K support?
    A: PCM2702E/2K supports popular audio formats like PCM, MP3, and WMA.

  6. Q: Does PCM2702E/2K have a built-in headphone amplifier?
    A: Yes, PCM2702E/2K has a built-in headphone amplifier, making it convenient for headphone-based audio applications.

  7. Q: Can PCM2702E/2K be used in professional audio setups?
    A: While PCM2702E/2K is primarily designed for consumer audio applications, it can also be used in certain professional audio setups.

  8. Q: Is PCM2702E/2K compatible with both Windows and Mac operating systems?
    A: Yes, PCM2702E/2K is compatible with both Windows and Mac operating systems, as it uses standard USB audio drivers.

  9. Q: Can PCM2702E/2K be used in DIY audio projects?
    A: Yes, PCM2702E/2K is commonly used in DIY audio projects due to its ease of integration and affordable price.

  10. Q: Are there any evaluation boards or development kits available for PCM2702E/2K?
    A: Yes, there are evaluation boards and development kits available for PCM2702E/2K, which can help in the prototyping and testing of audio solutions.

Please note that these answers are general and may vary depending on specific use cases and requirements.