Texas Instruments
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PCM1719E
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PCM1719E

Product Overview

  • Category: Analog-to-Digital Converter (ADC)
  • Use: Converts analog signals into digital data
  • Characteristics:
    • High resolution and accuracy
    • Low power consumption
    • Wide input voltage range
    • Fast conversion speed
  • Package: Integrated Circuit (IC)
  • Essence: Converts continuous analog signals to discrete digital values
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

  • Resolution: 16-bit
  • Sampling Rate: Up to 192 kHz
  • Input Voltage Range: ±5V
  • Power Supply: +5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SSOP-28

Detailed Pin Configuration

The PCM1719E has a total of 28 pins. The pin configuration is as follows:

  1. VREFP: Positive reference voltage input
  2. VREFN: Negative reference voltage input
  3. AGND: Analog ground
  4. VINL: Analog input for the left channel
  5. VINR: Analog input for the right channel
  6. DGND: Digital ground
  7. SDATA: Serial data output
  8. SCLK: Serial clock input
  9. LRCK: Left/right clock input
  10. MCLK: Master clock input
  11. BICK: Bit clock input
  12. RESET: Reset input
  13. DVDD: Digital power supply
  14. AVDD: Analog power supply 15-28. NC: No connection

Functional Features

  • High-resolution audio conversion
  • Supports stereo input
  • Low distortion and noise levels
  • Built-in digital filters for signal processing
  • Flexible control options through serial interface
  • Power-down mode for reduced power consumption

Advantages and Disadvantages

Advantages: - High resolution and accuracy - Wide input voltage range - Fast conversion speed - Low power consumption

Disadvantages: - Limited pin configuration options - Requires external components for complete functionality

Working Principles

The PCM1719E operates on the principle of successive approximation. It samples the analog input signal at a high rate, converts it into a digital value using an internal ADC, and outputs the result in serial format. The device utilizes various digital filters to enhance the audio quality and reduce noise and distortion.

Detailed Application Field Plans

The PCM1719E is commonly used in the following applications:

  1. Professional audio recording equipment
  2. High-fidelity audio systems
  3. Digital mixing consoles
  4. Musical instruments
  5. Automotive audio systems

Detailed and Complete Alternative Models

  1. PCM1794A: 24-bit, 192 kHz Stereo Audio DAC
  2. ADS124S08: 24-bit, 4-channel Analog-to-Digital Converter
  3. MAX11131: 16-bit, 500 ksps SAR ADC

These alternative models offer similar functionalities and can be considered as alternatives to the PCM1719E depending on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням PCM1719E у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of PCM1719E in technical solutions:

  1. Q: What is PCM1719E? A: PCM1719E is a high-performance analog-to-digital converter (ADC) chip designed for various audio applications.

  2. Q: What is the resolution of PCM1719E? A: PCM1719E has a resolution of 24 bits, which allows for precise and accurate conversion of analog signals to digital.

  3. Q: What is the sampling rate supported by PCM1719E? A: PCM1719E supports a sampling rate of up to 192 kHz, enabling high-fidelity audio capture.

  4. Q: Can PCM1719E be used in professional audio recording equipment? A: Yes, PCM1719E is suitable for professional audio recording equipment due to its high resolution and sampling rate capabilities.

  5. Q: Does PCM1719E require an external voltage reference? A: Yes, PCM1719E requires an external voltage reference to ensure accurate conversion. It supports both single-ended and differential inputs.

  6. Q: Can PCM1719E be used in consumer audio devices? A: Absolutely! PCM1719E can be utilized in consumer audio devices such as soundbars, home theater systems, and portable audio players.

  7. Q: Is PCM1719E compatible with different microcontrollers or DSPs? A: Yes, PCM1719E features a standard serial interface (SPI/I2C), making it compatible with various microcontrollers and DSPs.

  8. Q: What is the power supply requirement for PCM1719E? A: PCM1719E operates on a single power supply ranging from 5V to 3.3V, making it suitable for a wide range of applications.

  9. Q: Does PCM1719E support anti-aliasing filters? A: Yes, PCM1719E features an integrated digital filter that helps reduce aliasing effects during the analog-to-digital conversion process.

  10. Q: Can PCM1719E be used in automotive audio systems? A: Yes, PCM1719E is suitable for automotive audio systems due to its high performance and robustness against environmental factors.

Please note that these answers are general and may vary depending on specific implementation requirements and design considerations.