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PCM2707PJT
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PCM2707PJT

Product Overview

Category: Integrated Circuit (IC)

Use: The PCM2707PJT is a USB audio codec with an integrated USB controller. It is designed to provide high-quality audio playback and recording capabilities for various applications.

Characteristics: - USB audio streaming - Stereo digital-to-analog converter (DAC) - Stereo analog-to-digital converter (ADC) - On-chip headphone amplifier - Supports multiple sampling rates and resolutions - Low power consumption

Package: The PCM2707PJT is available in a small outline package (SOP) with 32 pins.

Essence: This IC combines a USB controller and audio codec functionality into a single chip, making it a compact and efficient solution for USB audio applications.

Packaging/Quantity: The PCM2707PJT is typically sold in reels containing a quantity of 250 units.

Specifications

  • USB Specification: USB 2.0 Full Speed (12 Mbps)
  • DAC Resolution: Up to 16-bit
  • ADC Resolution: Up to 16-bit
  • Sampling Rates: 8 kHz to 48 kHz
  • Supply Voltage: 3.3 V
  • Power Consumption: < 50 mW

Pin Configuration

The PCM2707PJT has a total of 32 pins. Here is the detailed pin configuration:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. VBUS - USB bus power supply
  4. D+ - USB data positive
  5. D- - USB data negative
  6. NC - No connection
  7. NC - No connection
  8. NC - No connection
  9. NC - No connection
  10. NC - No connection
  11. NC - No connection
  12. NC - No connection
  13. NC - No connection
  14. NC - No connection
  15. NC - No connection
  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
  29. NC - No connection
  30. NC - No connection
  31. NC - No connection
  32. NC - No connection

Functional Features

The PCM2707PJT offers the following functional features:

  • USB audio streaming: Allows for seamless audio playback and recording via USB interface.
  • Stereo DAC: Provides high-quality digital-to-analog conversion for stereo audio output.
  • Stereo ADC: Enables analog-to-digital conversion for capturing external audio signals.
  • On-chip headphone amplifier: Amplifies audio signals for direct headphone output.
  • Sampling rate flexibility: Supports various sampling rates to accommodate different audio requirements.
  • Low power consumption: Designed to operate with minimal power consumption, making it suitable for portable devices.

Advantages and Disadvantages

Advantages: - Integration of USB controller and audio codec reduces component count and simplifies design. - High-quality audio playback and recording capabilities. - Compact size and low power consumption make it suitable for portable applications. - Flexible sampling rate support allows for compatibility with different audio sources.

Disadvantages: - Limited resolution of up to 16-bit may not meet the requirements of certain professional audio applications. - Lack of detailed pin functionality limits customization options.

Working Principles

The PCM2707PJT operates by receiving digital audio data from a host device through the USB interface. It then processes the data using its integrated DAC to convert it into analog audio signals. These analog signals can be further amplified and sent to speakers or headphones for playback.

For recording, the PCM2707PJT captures analog audio signals through its integrated ADC. The captured signals are then converted into digital data and transmitted back to the host device via USB.

Application Field Plans

The PCM2707PJT is commonly used in various applications, including:

  1. USB audio interfaces
  2. USB headphones and headsets
  3. USB sound cards
  4. Portable audio players
  5. USB-based audio recording devices

Alternative Models

Here are some alternative models that offer similar functionality to the PCM2707PJT:

  1. PCM2704 - USB audio codec with simplified features and lower cost.
  2. PCM2900 - USB audio codec with enhanced performance and additional features.
  3. PCM2902 - USB audio codec with integrated stereo DAC and ADC.

These alternative models provide options for different requirements and budgets within the USB audio codec market.

In conclusion, the PCM2707PJT is a versatile USB audio codec IC that combines USB controller functionality with high-quality audio playback and recording capabilities. Its compact size,

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PCM2707PJT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PCM2707PJT in technical solutions:

  1. Q: What is PCM2707PJT? A: PCM2707PJT is a USB audio codec with an integrated USB controller, designed for audio applications such as USB speakers, headphones, and audio interfaces.

  2. Q: What are the key features of PCM2707PJT? A: The key features of PCM2707PJT include USB 2.0 compliance, 16-bit stereo DAC, 16-bit stereo ADC, headphone amplifier, and support for various audio formats.

  3. Q: How can I connect PCM2707PJT to my system? A: PCM2707PJT can be connected to your system via a USB interface. It requires a USB host controller to communicate with the PC or other USB devices.

  4. Q: Can PCM2707PJT be used in both playback and recording applications? A: Yes, PCM2707PJT supports both playback (DAC) and recording (ADC) functions, making it suitable for applications that require audio input and output.

  5. Q: What audio formats does PCM2707PJT support? A: PCM2707PJT supports various audio formats, including PCM, DSD, and compressed formats like MP3 and AAC.

  6. Q: Does PCM2707PJT require any external components for operation? A: Yes, PCM2707PJT requires some external components such as crystal oscillator, decoupling capacitors, and resistors for proper operation.

  7. Q: Can PCM2707PJT be powered directly from the USB port? A: Yes, PCM2707PJT can be powered directly from the USB port, eliminating the need for an external power supply.

  8. Q: Is PCM2707PJT compatible with Windows, Mac, and Linux operating systems? A: Yes, PCM2707PJT is compatible with Windows, Mac, and Linux operating systems, as it uses standard USB audio drivers.

  9. Q: Can PCM2707PJT be used in low-power applications? A: Yes, PCM2707PJT has a low-power mode that allows it to operate in power-constrained environments, making it suitable for portable devices.

  10. Q: Are there any evaluation boards or development kits available for PCM2707PJT? A: Yes, Texas Instruments provides evaluation boards and development kits for PCM2707PJT, which can help in the prototyping and development process.

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