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PCM1865DBTR
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PCM1865DBTR

Product Overview

  • Category: Integrated Circuit
  • Use: Audio Interface
  • Characteristics: High-resolution audio, low power consumption
  • Package: DBT (Thin Shrink Small Outline Package)
  • Essence: Analog-to-Digital Converter (ADC)
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Resolution: Up to 24-bit
  • Sampling Rate: Up to 192 kHz
  • Number of Channels: 6
  • Power Supply Voltage: 3.3V
  • Power Consumption: 2.7 mW (typical)
  • SNR (Signal-to-Noise Ratio): 105 dB (typical)
  • THD+N (Total Harmonic Distortion + Noise): -90 dB (typical)

Pin Configuration

The PCM1865DBTR has a total of 32 pins. The pin configuration is as follows:

  1. VREFH
  2. VREFL
  3. AVDD
  4. DVDD
  5. AGND
  6. DGND
  7. MICBIAS1
  8. MICBIAS2
  9. MICBIAS3
  10. MICBIAS4
  11. MICBIAS5
  12. MICBIAS6
  13. MIC1P
  14. MIC1N
  15. MIC2P
  16. MIC2N
  17. MIC3P
  18. MIC3N
  19. MIC4P
  20. MIC4N
  21. MIC5P
  22. MIC5N
  23. MIC6P
  24. MIC6N
  25. BCLK
  26. LRCLK
  27. SDIN
  28. MCLK
  29. SDOUT
  30. SDOFF
  31. RESET
  32. NC

Functional Features

  • High-resolution audio conversion
  • Low power consumption for energy efficiency
  • Six-channel input for versatile audio applications
  • Wide dynamic range and low distortion for accurate sound reproduction
  • Flexible microphone biasing options for different microphone types

Advantages

  • High-quality audio conversion with up to 24-bit resolution
  • Low power consumption extends battery life in portable devices
  • Versatile six-channel input supports various audio recording setups
  • Excellent signal-to-noise ratio ensures clear and detailed audio capture
  • Multiple microphone biasing options accommodate different microphone requirements

Disadvantages

  • Limited to a maximum sampling rate of 192 kHz
  • Requires an external clock source for proper operation
  • May not be suitable for applications requiring higher channel counts

Working Principles

The PCM1865DBTR is an analog-to-digital converter (ADC) that converts analog audio signals into digital data. It utilizes a multi-bit delta-sigma architecture to achieve high-resolution audio conversion. The device operates by sampling the analog input signals at a specified sampling rate and converting them into digital data using an internal quantizer. The resulting digital data can then be processed or stored for further use.

Application Field Plans

The PCM1865DBTR is commonly used in various audio-related applications, including:

  1. Professional audio recording equipment
  2. Consumer audio devices
  3. Musical instruments
  4. Automotive audio systems
  5. Home theater systems
  6. Audio mixers and consoles

Alternative Models

If the PCM1865DBTR does not meet specific requirements, alternative models with similar functionality include:

  1. PCM1864: Four-channel version of PCM1865DBTR
  2. PCM1863: Two-channel version of PCM1865DBTR
  3. PCM1862: Single-channel version of PCM1865DBTR

These alternative models offer different channel configurations to suit specific application needs while maintaining similar performance characteristics.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui PCM1865DBTR în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of PCM1865DBTR in technical solutions:

  1. Q: What is PCM1865DBTR? A: PCM1865DBTR is a high-performance audio analog-to-digital converter (ADC) chip manufactured by Texas Instruments.

  2. Q: What are the key features of PCM1865DBTR? A: The key features of PCM1865DBTR include 24-bit resolution, support for up to 8 channels, low distortion, and a wide dynamic range.

  3. Q: What is the typical application of PCM1865DBTR? A: PCM1865DBTR is commonly used in professional audio recording equipment, sound reinforcement systems, and other applications requiring high-quality audio conversion.

  4. Q: How many channels can PCM1865DBTR support? A: PCM1865DBTR can support up to 8 channels, making it suitable for multi-channel audio recording or playback systems.

  5. Q: What is the sampling rate supported by PCM1865DBTR? A: PCM1865DBTR supports sampling rates ranging from 8 kHz to 192 kHz, allowing for high-fidelity audio capture.

  6. Q: Does PCM1865DBTR require an external power supply? A: Yes, PCM1865DBTR requires an external power supply typically ranging from 3.3V to 5V.

  7. Q: Can PCM1865DBTR be controlled digitally? A: Yes, PCM1865DBTR features an I2C interface that allows for digital control and configuration of various parameters.

  8. Q: What is the signal-to-noise ratio (SNR) of PCM1865DBTR? A: PCM1865DBTR has a high SNR of typically 105 dB, ensuring accurate and clear audio conversion.

  9. Q: Does PCM1865DBTR support anti-aliasing filters? A: Yes, PCM1865DBTR includes built-in anti-aliasing filters to reduce noise and distortion during the analog-to-digital conversion process.

  10. Q: Is PCM1865DBTR compatible with other audio processing chips? A: Yes, PCM1865DBTR can be easily integrated with other audio processing chips or microcontrollers through its I2C interface for further signal processing or data transmission.

Please note that these answers are general and may vary depending on specific implementation requirements and datasheet specifications.