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PCM4202DB
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PCM4202DB

Product Overview

Category: Analog-to-Digital Converter (ADC)
Use: The PCM4202DB is a high-performance stereo audio analog-to-digital converter designed for professional audio applications.
Characteristics: It offers high resolution, low distortion, and a wide dynamic range, making it suitable for demanding audio recording and playback systems.
Package: The PCM4202DB comes in a small outline package (SOIC) for easy integration into audio equipment.
Essence: This ADC is essential for capturing high-fidelity audio signals with precision and accuracy.
Packaging/Quantity: The PCM4202DB is typically available in reels of 250 units.

Specifications

  • Resolution: 24-bit
  • Sampling Rate: Up to 216 kHz
  • Dynamic Range: 123 dB
  • Total Harmonic Distortion + Noise (THD+N): -110 dB
  • Power Supply Voltage: 5 V
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The PCM4202DB features a 28-pin SOIC package with the following pin configuration: 1. VREFP 2. VINR+ 3. VINR- 4. AGND 5. VCM 6. VREFN 7. VINL+ 8. VINL- 9. DVDD 10. DGND 11. BICK 12. LRCK 13. SDIN 14. MCLK 15. SDO 16. FS0 17. FS1 18. DOUT 19. PDWN 20. CLKDIV 21. OSR 22. DEM 23. MOD 24. ACOM 25. AVDD 26. DVDD 27. DVDD 28. DVDD

Functional Features

  • High-resolution audio conversion
  • Low distortion and noise
  • Flexible clocking options
  • Power-down mode for energy efficiency
  • Digital de-emphasis support

Advantages and Disadvantages

Advantages: - Exceptional audio quality - Wide dynamic range - Versatile clocking options

Disadvantages: - Higher power consumption compared to lower-resolution ADCs - Requires careful PCB layout for optimal performance

Working Principles

The PCM4202DB utilizes advanced delta-sigma modulation and oversampling techniques to convert analog audio signals into digital data with high precision. It employs a multi-bit architecture to achieve its exceptional dynamic range and low distortion characteristics.

Detailed Application Field Plans

The PCM4202DB is ideal for use in professional audio recording and playback equipment, including: - Studio-grade audio interfaces - High-end audio mixers - Professional audio recording equipment - Audiophile-grade digital-to-analog converters (DACs)

Detailed and Complete Alternative Models

  1. PCM4204: Quad-channel version of the PCM4202DB, suitable for multi-channel audio applications.
  2. PCM4220: Higher sampling rate and extended temperature range for specialized audio applications.
  3. PCM1804: Lower-cost alternative with slightly reduced performance for cost-sensitive designs.

In conclusion, the PCM4202DB stands as a high-performance analog-to-digital converter that delivers exceptional audio quality and precision, making it an ideal choice for demanding professional audio applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق PCM4202DB في الحلول التقنية

  1. What is the PCM4202DB?

    • The PCM4202DB is a high-performance stereo audio analog-to-digital converter (ADC) designed for professional and consumer audio applications.

  2. What is the resolution of the PCM4202DB?

    • The PCM4202DB has a resolution of 24 bits, providing high-quality digital audio conversion.

  3. What is the sampling rate supported by the PCM4202DB?

    • The PCM4202DB supports sampling rates up to 216 kHz, allowing for high-fidelity audio capture.

  4. What are the key features of the PCM4202DB?

    • Key features of the PCM4202DB include low distortion, excellent signal-to-noise ratio, and flexible interface options.

  5. What are the typical applications of the PCM4202DB?

    • The PCM4202DB is commonly used in professional audio recording equipment, audio interfaces, and high-end consumer audio devices.

  6. What are the recommended power supply requirements for the PCM4202DB?

    • The PCM4202DB typically requires a single-supply voltage ranging from +3.3V to +5V for operation.

  7. Does the PCM4202DB support differential inputs?

    • Yes, the PCM4202DB features differential inputs, which can help improve noise rejection in audio signal acquisition.

  8. What digital interface does the PCM4202DB use?

    • The PCM4202DB utilizes a serial audio interface, such as I2S or TDM, for transmitting the digital audio data to external processing components.

  9. Can the PCM4202DB be used in battery-powered devices?

    • Yes, the low power consumption of the PCM4202DB makes it suitable for use in battery-powered audio recording devices and portable audio equipment.

  10. Are there any application notes or reference designs available for the PCM4202DB?

    • Yes, Texas Instruments provides application notes and reference designs to assist with integrating the PCM4202DB into various technical solutions.