Analog Devices Inc.
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AD1938WBSTZ-RL
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AD1938WBSTZ-RL

Product Overview

Category

AD1938WBSTZ-RL belongs to the category of audio digital-to-analog converters (DACs).

Use

It is primarily used in audio systems to convert digital audio signals into analog signals for playback through speakers or headphones.

Characteristics

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

Package

AD1938WBSTZ-RL comes in a small outline integrated circuit (SOIC) package, which ensures easy integration into audio system designs.

Essence

The essence of AD1938WBSTZ-RL lies in its ability to provide high-quality audio conversion with minimal distortion and noise, resulting in an enhanced listening experience.

Packaging/Quantity

This product is typically packaged in reels containing a specified quantity of units. The exact packaging and quantity can vary depending on the 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): >100 dB
  • Power Supply Voltage: 3.3 V
  • Digital Interface: I2S, TDM, or SPI

Detailed Pin Configuration

  1. VDD: Power supply voltage input
  2. GND: Ground reference
  3. LRCK: Left/right channel clock input
  4. BCLK: Bit clock input
  5. SDATA: Serial data input
  6. MCLK: Master clock input
  7. DVDD: Digital power supply voltage input
  8. AGND: Analog ground reference
  9. AVDD: Analog power supply voltage input
  10. OUTL: Analog left channel output
  11. OUTR: Analog right channel output

Functional Features

  • High-resolution audio conversion for accurate reproduction of audio signals
  • Support for multiple audio formats, allowing compatibility with various digital audio sources
  • Flexible control options through the digital interface (I2S, TDM, or SPI)
  • Low distortion and noise levels ensure high-quality audio playback
  • Wide dynamic range captures subtle details in audio recordings

Advantages and Disadvantages

Advantages

  • High-resolution audio conversion enhances audio quality
  • Wide dynamic range captures nuances in audio recordings
  • Multiple audio format support increases compatibility
  • Flexible control options allow for easy integration into different system designs

Disadvantages

  • Requires external components for complete audio system implementation
  • Limited to digital-to-analog conversion and does not include other audio processing functionalities

Working Principles

AD1938WBSTZ-RL operates by receiving digital audio data through its input pins. The internal circuitry then converts this digital data into analog signals using high-quality digital-to-analog conversion techniques. These analog signals are then amplified and sent to the respective output channels for playback.

Detailed Application Field Plans

AD1938WBSTZ-RL finds applications in various audio systems, including: - Home theater systems - Professional audio equipment - Automotive audio systems - Portable media players - Gaming consoles

Detailed and Complete Alternative Models

  1. AD1934: Similar to AD1938WBSTZ-RL but with a lower resolution of 20-bit.
  2. AD1955: Offers higher resolution (32-bit) and advanced audio processing features.
  3. PCM1794A: Provides high-resolution audio conversion with a dynamic range of 132 dB.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option based on their specific requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением AD1938WBSTZ-RL в технических решениях.

Sure! Here are 10 common questions and answers related to the application of AD1938WBSTZ-RL in technical solutions:

  1. Q: What is the AD1938WBSTZ-RL? A: The AD1938WBSTZ-RL is a high-performance, low-power audio codec designed for various audio applications.

  2. Q: What are the key features of the AD1938WBSTZ-RL? A: The key features include stereo ADC and DAC, digital audio interfaces (I2S/TDM), integrated PLL, programmable filters, and flexible power management options.

  3. Q: What are some typical applications of the AD1938WBSTZ-RL? A: The AD1938WBSTZ-RL can be used in audio systems, home theater receivers, automotive infotainment systems, professional audio equipment, and multimedia devices.

  4. Q: What is the resolution of the ADC and DAC in the AD1938WBSTZ-RL? A: The ADC and DAC have a resolution of 24 bits, providing high-quality audio conversion.

  5. Q: What is the sampling rate supported by the AD1938WBSTZ-RL? A: The AD1938WBSTZ-RL supports sampling rates up to 192 kHz, allowing for high-fidelity audio reproduction.

  6. Q: Does the AD1938WBSTZ-RL support multiple audio channels? A: Yes, the AD1938WBSTZ-RL supports up to 8 input and 8 output channels, making it suitable for multi-channel audio applications.

  7. Q: Can I control the AD1938WBSTZ-RL using a microcontroller or DSP? A: Yes, the AD1938WBSTZ-RL has a serial control interface (SPI) that allows for easy integration with microcontrollers or DSPs.

  8. Q: Does the AD1938WBSTZ-RL have built-in digital filters? A: Yes, the AD1938WBSTZ-RL features programmable digital filters, allowing for customization of the audio signal processing.

  9. Q: What is the power supply voltage range for the AD1938WBSTZ-RL? A: The AD1938WBSTZ-RL operates from a single 3.3V power supply, making it suitable for low-power applications.

  10. Q: Is the AD1938WBSTZ-RL available in a small package? A: Yes, the AD1938WBSTZ-RL is available in a compact 48-lead LQFP package, which is suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the AD1938WBSTZ-RL in a technical solution.