Texas Instruments
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PCM2902CDBR
צפה בפרטים DataSheets

PCM2902CDBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Codec
  • Characteristics: High-quality audio conversion, USB interface
  • Package: SSOP-28
  • Essence: Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC)
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Resolution: 16-bit
  • Sampling Rate: Up to 48 kHz
  • Interface: USB 2.0 Full Speed
  • Power Supply: 5V
  • Operating Temperature: -40°C to +85°C

Pin Configuration

The PCM2902CDBR has a total of 28 pins. The pin configuration is as follows:

  1. VBUS
  2. D+
  3. D-
  4. GND
  5. NC
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. NC
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC
  25. NC
  26. NC
  27. NC
  28. VCC

Functional Features

  • High-quality audio conversion with 16-bit resolution
  • USB interface for easy connectivity with computers and other devices
  • Supports sampling rates up to 48 kHz
  • Low power consumption
  • On-chip headphone amplifier
  • Integrated digital audio interface receiver and transmitter

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Easy integration with USB interface - Low power consumption - On-chip headphone amplifier enhances audio output

Disadvantages: - Limited sampling rate compared to some other audio codecs - Requires external power supply of 5V

Working Principles

The PCM2902CDBR is a digital-to-analog converter (DAC) and analog-to-digital converter (ADC) integrated circuit. It converts digital audio signals into analog signals for playback and vice versa. The USB interface allows seamless communication with computers and other devices, making it suitable for various audio applications.

Detailed Application Field Plans

The PCM2902CDBR is commonly used in the following applications:

  1. USB audio interfaces
  2. USB microphones
  3. USB sound cards
  4. Audio recording and playback devices
  5. Home theater systems
  6. Gaming peripherals

Alternative Models

Here are some alternative models that offer similar functionality:

  1. PCM2704 - USB DAC with 16-bit resolution and 48 kHz sampling rate.
  2. CS4344 - High-performance stereo DAC with 24-bit resolution and 192 kHz sampling rate.
  3. WM8741 - Premium stereo DAC with 24-bit resolution and 192 kHz sampling rate.

These alternative models provide different features and specifications, allowing users to choose based on their specific requirements.

In conclusion, the PCM2902CDBR is an integrated circuit audio codec that offers high-quality audio conversion and easy connectivity through a USB interface. Its compact SSOP-28 package makes it suitable for various audio applications. While it has some limitations, such as a limited sampling rate, it provides reliable performance and is widely used in USB audio devices.

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של PCM2902CDBR בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of PCM2902CDBR:

  1. Q: What is PCM2902CDBR? A: PCM2902CDBR is a stereo audio codec with USB interface, commonly used in audio applications.

  2. Q: What are the key features of PCM2902CDBR? A: The key features include USB 2.0 full-speed compliant interface, stereo ADC and DAC, built-in microphone preamp, and headphone amplifier.

  3. Q: How can I connect PCM2902CDBR to a microcontroller or computer? A: PCM2902CDBR has a USB interface, so you can directly connect it to a microcontroller or computer using a USB cable.

  4. Q: Can PCM2902CDBR be used for recording audio? A: Yes, PCM2902CDBR has a built-in microphone preamp and stereo ADC, making it suitable for recording audio.

  5. Q: Can PCM2902CDBR be used for playback of audio? A: Yes, PCM2902CDBR has a stereo DAC and headphone amplifier, allowing for high-quality audio playback.

  6. Q: What is the power supply requirement for PCM2902CDBR? A: PCM2902CDBR operates on a single 5V power supply.

  7. Q: Can PCM2902CDBR be used in battery-powered applications? A: Yes, PCM2902CDBR has low power consumption and can be used in battery-powered applications.

  8. Q: Does PCM2902CDBR support multiple sampling rates? A: Yes, PCM2902CDBR supports sampling rates from 8 kHz to 48 kHz.

  9. Q: Can PCM2902CDBR be used in both Windows and Mac operating systems? A: Yes, PCM2902CDBR is compatible with both Windows and Mac operating systems.

  10. Q: Are there any application notes or reference designs available for PCM2902CDBR? A: Yes, the manufacturer provides application notes and reference designs that can help you in implementing PCM2902CDBR in your technical solution.

Please note that these answers are general and may vary depending on the specific requirements of your technical solution.