Texas Instruments
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PCM1738E
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PCM1738E

Product Overview

  • Category: Audio Digital-to-Analog Converter (DAC)
  • Use: Converts 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
  • Package: Integrated Circuit (IC)
  • Essence: Provides accurate and precise conversion of digital audio signals to analog form
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

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): >110 dB
  • Dynamic Range (DR): >110 dB
  • Output Voltage: Varies based on external components

Pin Configuration (Detailed)

  1. VCC: Power supply voltage
  2. GND: Ground reference
  3. SDIN: Serial data input
  4. SCLK: Serial clock input
  5. LRCK: Left/right channel select
  6. MUTE: Mute control input
  7. BICK: Bit clock input
  8. OSF: Oversampling filter selection
  9. AVCC: Analog power supply voltage
  10. AGND: Analog ground reference
  11. VOUTL: Analog left channel output
  12. VOUTR: Analog right channel output

Functional Features

  • High-resolution audio conversion for improved sound quality
  • Low distortion and noise levels ensure accurate reproduction of audio signals
  • Wide dynamic range captures subtle details in the audio
  • Support for various audio formats allows compatibility with different devices
  • Mute control for convenient audio playback control

Advantages

  • High-quality audio conversion with low distortion and noise levels
  • Wide dynamic range for accurate reproduction of audio details
  • Support for various audio formats enhances compatibility
  • Mute control feature adds convenience to audio playback

Disadvantages

  • Requires external components for voltage regulation and filtering
  • Limited quantity availability depending on supplier

Working Principles

The PCM1738E operates by receiving digital audio signals through the SDIN pin. The serial clock input (SCLK) synchronizes the data transfer, while the LRCK pin selects the left or right channel. The oversampling filter selection (OSF) determines the filtering characteristics. The converted analog audio signals are then output through the VOUTL and VOUTR pins.

Detailed Application Field Plans

The PCM1738E is commonly used in various audio applications, including:

  1. High-end audio systems
  2. Professional audio equipment
  3. Digital audio workstations
  4. Home theater systems
  5. Automotive audio systems

Detailed and Complete Alternative Models

  1. PCM1794A: Similar high-resolution audio DAC with improved specifications.
  2. CS4398: Competing DAC offering comparable performance.
  3. AK4490EQ: High-performance DAC with advanced features.
  4. ES9038PRO: Premium DAC known for its exceptional sound quality.

(Note: This list is not exhaustive and other alternative models may exist.)

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням PCM1738E у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of PCM1738E in technical solutions:

  1. Q: What is PCM1738E? A: PCM1738E is a high-performance, 24-bit digital-to-analog converter (DAC) designed for audio applications.

  2. Q: What are the key features of PCM1738E? A: PCM1738E features include a dynamic range of 112 dB, low distortion, selectable digital filters, and support for various audio formats.

  3. Q: What is the typical application of PCM1738E? A: PCM1738E is commonly used in audio systems, such as CD players, DVD players, home theater receivers, and professional audio equipment.

  4. Q: How does PCM1738E improve audio quality? A: PCM1738E utilizes advanced DAC technology to convert digital audio signals into high-quality analog signals, resulting in improved sound reproduction.

  5. Q: Can PCM1738E handle multiple audio channels? A: Yes, PCM1738E supports up to 8 audio channels, making it suitable for multi-channel audio applications like surround sound systems.

  6. Q: Does PCM1738E support different sampling rates? A: Yes, PCM1738E supports various sampling rates ranging from 8 kHz to 192 kHz, allowing flexibility in audio system design.

  7. Q: How is PCM1738E controlled? A: PCM1738E can be controlled through an I2C interface, enabling easy integration with microcontrollers or other digital control systems.

  8. Q: Can PCM1738E operate on a single power supply? A: Yes, PCM1738E can operate on a single power supply, simplifying the power management aspect of the overall system design.

  9. Q: Does PCM1738E have built-in digital filters? A: Yes, PCM1738E provides selectable digital filters to tailor the audio output according to specific requirements or preferences.

  10. Q: Is PCM1738E suitable for high-fidelity audio applications? A: Absolutely! PCM1738E's high dynamic range, low distortion, and overall performance make it well-suited for demanding audio applications where high fidelity is desired.

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