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PCM1793DBR
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PCM1793DBR

Product Overview

Category

PCM1793DBR belongs to the category of digital-to-analog converters (DACs).

Use

The PCM1793DBR is used to convert digital audio signals into analog signals for high-quality audio playback.

Characteristics

  • High-resolution audio conversion
  • Low distortion and noise levels
  • Wide dynamic range
  • Support for various audio formats
  • Flexible interface options

Package

PCM1793DBR comes in a small outline package (SOIC) with 28 pins.

Essence

The essence of PCM1793DBR lies in its ability to accurately convert digital audio signals into high-fidelity analog signals, ensuring an exceptional audio listening experience.

Packaging/Quantity

PCM1793DBR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Resolution: Up to 24-bit
  • Sampling Rate: Up to 192 kHz
  • Total Harmonic Distortion + Noise (THD+N): <0.001%
  • Signal-to-Noise Ratio (SNR): >120 dB
  • Dynamic Range (DR): >120 dB
  • Power Supply Voltage: 3.3 V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VCOM
  2. AGND
  3. DGND
  4. AVDD
  5. DVDD
  6. BCK
  7. DIN
  8. LRCK
  9. MUTE
  10. DEEMPH
  11. OSF
  12. I2S_MODE
  13. SCLK
  14. SDATA
  15. RESET
  16. AOUTL
  17. AOUTR
  18. VOUTL
  19. VOUTR
  20. VREF
  21. VCOM
  22. AGND
  23. DGND
  24. AVDD
  25. DVDD
  26. BCK
  27. DIN
  28. LRCK

Functional Features

  • High-resolution audio conversion with low distortion and noise levels.
  • Support for various audio formats, including PCM, DSD, and DXD.
  • Flexible interface options, including I2S, left-justified, right-justified, and DSP modes.
  • On-chip digital filters for enhanced audio performance.
  • Built-in mute and de-emphasis functions.
  • Power-down and reset control for power management.

Advantages and Disadvantages

Advantages

  • High-quality audio conversion with excellent signal-to-noise ratio and dynamic range.
  • Wide compatibility with different audio formats and interface options.
  • Compact package size for easy integration into audio systems.
  • On-chip features enhance audio performance and provide flexibility in audio processing.

Disadvantages

  • Requires external components for complete audio system implementation.
  • Limited availability of alternative models with similar specifications.

Working Principles

PCM1793DBR operates by receiving digital audio data through its input pins (BCK, DIN, LRCK) and converting it into analog signals using an internal digital-to-analog conversion process. The converted analog signals are then available at the output pins (AOUTL, AOUTR) for further amplification and playback.

Detailed Application Field Plans

PCM1793DBR finds applications in various audio systems, including: - High-end audio players - Home theater systems - Professional audio equipment - Automotive audio systems - Digital mixing consoles

Alternative Models

While PCM1793DBR is a widely used DAC, there are alternative models available with similar specifications, including: - PCM1794A - PCM1796 - PCM1798

These alternative models offer comparable performance and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PCM1793DBR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PCM1793DBR in technical solutions:

  1. Q: What is PCM1793DBR? A: PCM1793DBR is a high-performance stereo digital-to-analog converter (DAC) chip manufactured by Texas Instruments.

  2. Q: What are the key features of PCM1793DBR? A: PCM1793DBR features 24-bit resolution, supports sampling rates up to 192kHz, has a dynamic range of 123dB, and offers low distortion and noise levels.

  3. Q: What applications can PCM1793DBR be used for? A: PCM1793DBR is commonly used in audio equipment such as CD players, DVD players, home theater systems, soundbars, and professional audio interfaces.

  4. Q: How does PCM1793DBR connect to other components in an audio system? A: PCM1793DBR typically connects to a microcontroller or DSP for control and receives digital audio data via an I2S or S/PDIF interface. The analog output is then connected to an amplifier or headphone driver.

  5. Q: Can PCM1793DBR handle different audio formats? A: Yes, PCM1793DBR supports various audio formats including PCM, DSD, and DoP (DSD over PCM).

  6. Q: Does PCM1793DBR require external components for operation? A: Yes, PCM1793DBR requires external components such as decoupling capacitors, resistors, and a clock source for proper operation.

  7. Q: What power supply voltage does PCM1793DBR require? A: PCM1793DBR operates with a single power supply voltage ranging from 3.3V to 5V.

  8. Q: Can PCM1793DBR be used in battery-powered devices? A: Yes, PCM1793DBR can be used in battery-powered devices as long as the power supply voltage requirements are met.

  9. Q: Are there any evaluation boards or reference designs available for PCM1793DBR? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and integrate PCM1793DBR into their systems.

  10. Q: Where can I find more technical information about PCM1793DBR? A: You can refer to the datasheet and application notes provided by Texas Instruments for detailed technical information on PCM1793DBR.