Texas Instruments
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PCM1704U/2K
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PCM1704U/2K

Introduction

The PCM1704U/2K is a digital-to-analog converter (DAC) belonging to the category of audio processing components. This high-performance DAC is widely used in professional audio equipment and consumer audio systems due to its exceptional characteristics and precise conversion capabilities.

Basic Information Overview

  • Category: Audio Processing Component
  • Use: Digital-to-Analog Conversion
  • Characteristics: High Precision, Low Distortion, Wide Dynamic Range
  • Package: 20-pin SSOP
  • Essence: High-fidelity Audio Reproduction
  • Packaging/Quantity: Tape & Reel, 50 units per reel

Specifications

  • Resolution: 24-bit
  • Sampling Rate: Up to 96 kHz
  • Dynamic Range: 120 dB
  • Total Harmonic Distortion + Noise (THD+N): 0.0008%
  • Output Voltage: 3 Vrms
  • Power Supply Voltage: ±5 V

Detailed Pin Configuration

  1. VOUT
  2. VREF
  3. AGND
  4. DGND
  5. BCK
  6. LRCK
  7. DATA
  8. DEM
  9. OSF
  10. AVCC
  11. DVCC
  12. MUTE
  13. DIF
  14. SCLK
  15. SDTI
  16. SDTO
  17. FLT
  18. VCOM
  19. NC
  20. NC

Functional Features

  • High Precision Conversion: Ensures accurate reproduction of digital audio signals.
  • Low Distortion: Minimizes signal degradation for pristine audio output.
  • Wide Dynamic Range: Captures subtle nuances in audio with clarity.

Advantages and Disadvantages

Advantages

  • Exceptional Audio Fidelity
  • Versatile Sampling Rate Support
  • Low Output Noise

Disadvantages

  • Relatively Higher Power Consumption
  • Limited Compatibility with Lower Sampling Rates

Working Principles

The PCM1704U/2K operates by converting digital audio signals into analog waveforms using advanced multi-level delta-sigma modulation techniques. It utilizes precision internal circuitry to minimize distortion and noise, resulting in faithful audio reproduction.

Detailed Application Field Plans

The PCM1704U/2K is ideally suited for the following applications: - Professional Audio Equipment - High-end Consumer Audio Systems - Studio Monitors - Audio Mixing Consoles

Detailed and Complete Alternative Models

  1. PCM1794A
  2. AK4499EQ
  3. ES9038PRO
  4. CS43198

In conclusion, the PCM1704U/2K stands as a benchmark in the realm of audio DACs, offering unparalleled precision and fidelity in digital-to-analog conversion. Its exceptional specifications and functional features make it a preferred choice for high-quality audio reproduction across various applications.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af PCM1704U/2K i tekniske løsninger

  1. Question: What is the maximum sampling frequency supported by PCM1704U/2K?
    Answer: The PCM1704U/2K supports a maximum sampling frequency of 96 kHz.

  2. Question: What is the typical power supply voltage range for PCM1704U/2K?
    Answer: The typical power supply voltage range for PCM1704U/2K is +5V to +15V.

  3. Question: Can PCM1704U/2K be used in single-ended or differential output configurations?
    Answer: Yes, PCM1704U/2K can be used in both single-ended and differential output configurations.

  4. Question: What is the resolution of PCM1704U/2K?
    Answer: PCM1704U/2K has a resolution of 24 bits.

  5. Question: Does PCM1704U/2K require an external digital filter?
    Answer: Yes, PCM1704U/2K requires an external digital filter.

  6. Question: What is the typical total harmonic distortion plus noise (THD+N) for PCM1704U/2K?
    Answer: The typical THD+N for PCM1704U/2K is 0.002%.

  7. Question: Is PCM1704U/2K suitable for high-fidelity audio applications?
    Answer: Yes, PCM1704U/2K is suitable for high-fidelity audio applications.

  8. Question: Can PCM1704U/2K operate in both master and slave modes?
    Answer: Yes, PCM1704U/2K can operate in both master and slave modes.

  9. Question: What is the recommended output analog filter for PCM1704U/2K?
    Answer: The recommended output analog filter for PCM1704U/2K is a low-pass filter with a cutoff frequency appropriate for the desired bandwidth.

  10. Question: Are there any specific layout considerations for PCB design when using PCM1704U/2K?
    Answer: Yes, it is important to follow the layout guidelines provided in the datasheet to minimize noise and ensure proper performance of PCM1704U/2K.