Texas Instruments
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PCM1774RGPR
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PCM1774RGPR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Codec
  • Characteristics: High-performance, low-power consumption
  • Package: RGPR (32-pin QFN package)
  • Essence: Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC)
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Resolution: 24-bit
  • Sampling Rate: Up to 192 kHz
  • Number of Channels: 2 (Stereo)
  • Power Supply Voltage: 3.3 V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VDDA: Analog Power Supply
  2. VSSA: Analog Ground
  3. AVDD: Digital Power Supply
  4. DVDD: Digital Power Supply
  5. AGND: Analog Ground
  6. DGND: Digital Ground
  7. BCLK: Bit Clock Input
  8. LRCLK: Left/Right Clock Input
  9. SDIN: Serial Data Input
  10. SDOUT: Serial Data Output
  11. MCLK: Master Clock Input
  12. RESET: Reset Input
  13. GPIO1: General Purpose Input/Output 1
  14. GPIO2: General Purpose Input/Output 2
  15. GPIO3: General Purpose Input/Output 3
  16. GPIO4: General Purpose Input/Output 4
  17. GPIO5: General Purpose Input/Output 5
  18. GPIO6: General Purpose Input/Output 6
  19. GPIO7: General Purpose Input/Output 7
  20. GPIO8: General Purpose Input/Output 8
  21. GPIO9: General Purpose Input/Output 9
  22. GPIO10: General Purpose Input/Output 10
  23. GPIO11: General Purpose Input/Output 11
  24. GPIO12: General Purpose Input/Output 12
  25. GPIO13: General Purpose Input/Output 13
  26. GPIO14: General Purpose Input/Output 14
  27. GPIO15: General Purpose Input/Output 15
  28. GPIO16: General Purpose Input/Output 16
  29. VDDIO: I/O Power Supply
  30. VSSIO: I/O Ground
  31. NC: No Connection
  32. NC: No Connection

Functional Features

  • High-quality audio playback and recording
  • Low power consumption for extended battery life
  • Integrated headphone amplifier
  • Support for various audio formats (e.g., PCM, DSD)
  • Flexible digital audio interface options
  • Programmable digital filters and equalizers
  • Built-in volume control and mixing capabilities

Advantages and Disadvantages

Advantages: - Excellent audio performance with high resolution and sampling rate - Low power consumption ideal for portable devices - Versatile functionality and flexible configuration options

Disadvantages: - Limited number of channels (2 stereo channels) - Relatively small package size may require additional external components for certain applications

Working Principles

The PCM1774RGPR is an audio codec IC that converts digital audio signals to analog for playback and analog audio signals to digital for recording. It utilizes a combination of DAC and ADC circuits to achieve high-quality audio conversion. The digital audio data is received through the serial input interface and processed by the internal digital signal processing engine. The converted analog audio signals are then amplified and output through the headphone amplifier or other external audio outputs.

Detailed Application Field Plans

  1. Portable Audio Devices: The PCM1774RGPR is suitable for use in smartphones, tablets, portable media players, and other portable audio devices, providing high-quality audio playback and recording capabilities.
  2. Home Audio Systems: It can be integrated into home audio systems, such as stereo receivers and soundbars, to enhance audio performance and support various audio formats.
  3. Automotive Infotainment Systems: The PCM1774RGPR can be utilized in automotive infotainment systems to deliver superior audio quality for in-car entertainment.

Detailed and Complete Alternative Models

  1. PCM1772RGPR: Similar to PCM1774RGPR but with a lower resolution of 16-bit.
  2. PCM1789RGPR: Higher-end alternative with advanced features like digital volume control and advanced digital filters.

Please note that the above information is subject to change and it is recommended to refer to the official datasheet for the most up-to-date specifications and details.

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Énumérez 10 questions et réponses courantes liées à l'application de PCM1774RGPR dans les solutions techniques

  1. Question: What is the PCM1774RGPR?
    Answer: The PCM1774RGPR is an audio codec IC (Integrated Circuit) designed for use in technical solutions, providing high-quality audio processing and playback capabilities.

  2. Question: What are the key features of the PCM1774RGPR?
    Answer: The key features of the PCM1774RGPR include multiple audio inputs and outputs, support for various audio formats, built-in digital signal processing (DSP), low power consumption, and compatibility with different communication interfaces.

  3. Question: How can I interface the PCM1774RGPR with other components?
    Answer: The PCM1774RGPR can be interfaced with other components using standard communication interfaces such as I2C or SPI, allowing for seamless integration into a wider system.

  4. Question: What audio formats does the PCM1774RGPR support?
    Answer: The PCM1774RGPR supports popular audio formats like PCM, MP3, AAC, and WMA, enabling versatile audio playback capabilities.

  5. Question: Can the PCM1774RGPR handle multiple audio streams simultaneously?
    Answer: Yes, the PCM1774RGPR has the capability to handle multiple audio streams concurrently, making it suitable for applications requiring audio mixing or multi-channel audio processing.

  6. Question: Does the PCM1774RGPR have built-in equalization and filtering options?
    Answer: Yes, the PCM1774RGPR features built-in equalization and filtering options, allowing for audio customization and enhancement based on specific requirements.

  7. Question: What is the power consumption of the PCM1774RGPR?
    Answer: The PCM1774RGPR is designed to operate with low power consumption, making it suitable for battery-powered devices or energy-efficient applications.

  8. Question: Can the PCM1774RGPR be used in portable audio devices?
    Answer: Absolutely, the PCM1774RGPR is well-suited for portable audio devices such as smartphones, tablets, portable media players, and other handheld gadgets.

  9. Question: Does the PCM1774RGPR support advanced audio processing algorithms?
    Answer: Yes, the PCM1774RGPR incorporates advanced audio processing algorithms, including noise cancellation, dynamic range compression, and surround sound simulation, enhancing the overall audio experience.

  10. Question: Are there any reference designs or application notes available for the PCM1774RGPR?
    Answer: Yes, the manufacturer provides reference designs and application notes that can assist in the implementation of the PCM1774RGPR in various technical solutions, ensuring optimal performance and functionality.