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PCM1772PWG4

PCM1772PWG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital-to-Analog Converter (DAC)
  • Characteristics: High-performance, low-power consumption
  • Package: TSSOP-20
  • Essence: Converts digital audio signals into analog audio signals
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Resolution: 24-bit
  • Sampling Rate: Up to 192 kHz
  • Total Harmonic Distortion + Noise (THD+N): <0.001%
  • Signal-to-Noise Ratio (SNR): >110 dB
  • Power Supply Voltage: 3.3 V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1772PWG4 has a total of 20 pins. The pin configuration is as follows:

  1. VCOM: Common voltage reference for the DAC
  2. VOUTL: Analog output for the left channel
  3. VOUTR: Analog output for the right channel
  4. AGND: Analog ground
  5. DGND: Digital ground
  6. DVDD: Digital power supply voltage
  7. AVDD: Analog power supply voltage
  8. MCLK: Master clock input
  9. BICK: Bit clock input
  10. LRCK: Left/right clock input
  11. SDIN: Serial data input
  12. SDO: Serial data output
  13. RESET: Reset input
  14. DEEMPH: De-emphasis control input
  15. MUTEL: Mute control input for the left channel
  16. MUTER: Mute control input for the right channel
  17. TEST: Test mode control input
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection

Functional Features

  • High-resolution audio conversion
  • Low power consumption
  • Built-in digital filters for enhanced audio quality
  • Support for various audio formats (PCM, DSD, etc.)
  • On-chip voltage reference for improved accuracy
  • Programmable features for customization

Advantages and Disadvantages

Advantages: - High-quality audio conversion with low distortion - Wide operating temperature range for versatile applications - Compact package size for space-constrained designs - Low power consumption for energy-efficient devices

Disadvantages: - Limited pin configuration options for specific applications - Requires external components for complete audio system integration

Working Principles

The PCM1772PWG4 is a digital-to-analog converter that operates by converting digital audio signals into analog audio signals. It utilizes advanced circuitry and algorithms to accurately reproduce the original audio waveform with high fidelity. The device receives digital audio data through the serial input interface and processes it using internal digital filters and a digital-to-analog conversion stage. The resulting analog audio signals are then amplified and output through the left and right channels.

Detailed Application Field Plans

The PCM1772PWG4 is widely used in various audio-related applications, including:

  1. Consumer Electronics: Hi-Fi audio systems, DVD players, Blu-ray players, home theater systems
  2. Professional Audio Equipment: Studio monitors, audio interfaces, mixing consoles
  3. Automotive Audio Systems: Car stereos, amplifiers, infotainment systems
  4. Telecommunications: VoIP phones, conference systems, audio conferencing equipment
  5. Industrial Applications: Public address systems, audio broadcasting equipment, sound reinforcement systems

Detailed and Complete Alternative Models

  1. PCM1794A: 24-bit, 192 kHz, Stereo Audio DAC
  2. PCM5102A: 24-bit, 384 kHz, Stereo Audio DAC
  3. CS4398: 24-bit, 192 kHz, Stereo Audio DAC
  4. AK4490EQ: 32-bit, 768 kHz, Stereo Audio DAC

These alternative models offer similar functionality and performance to the PCM1772PWG4 and can be considered as alternatives based on specific application requirements.

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10個與PCM1772PWG4在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of PCM1772PWG4 in technical solutions:

  1. Q: What is PCM1772PWG4? A: PCM1772PWG4 is a stereo audio codec (coder-decoder) integrated circuit that converts analog audio signals into digital format and vice versa.

  2. Q: What are the key features of PCM1772PWG4? A: Some key features of PCM1772PWG4 include 24-bit resolution, support for various audio formats, built-in digital filters, programmable gain amplifiers, and low power consumption.

  3. Q: How can PCM1772PWG4 be used in audio applications? A: PCM1772PWG4 can be used in various audio applications such as portable media players, smartphones, tablets, soundbars, home theater systems, and automotive infotainment systems.

  4. Q: What is the input voltage range supported by PCM1772PWG4? A: PCM1772PWG4 supports an input voltage range of ±0.6 V, which is suitable for most audio signal levels.

  5. Q: Does PCM1772PWG4 support digital audio interfaces? A: Yes, PCM1772PWG4 supports popular digital audio interfaces such as I2S (Inter-IC Sound) and left-justified formats.

  6. Q: Can PCM1772PWG4 operate with a single power supply? A: Yes, PCM1772PWG4 can operate with a single power supply ranging from 2.7 V to 5.5 V.

  7. Q: Does PCM1772PWG4 have any built-in audio processing capabilities? A: PCM1772PWG4 has built-in digital filters that can be programmed to adjust the audio characteristics such as bass, treble, and equalization.

  8. Q: What is the typical power consumption of PCM1772PWG4? A: The typical power consumption of PCM1772PWG4 is around 5 mW, making it suitable for battery-powered applications.

  9. Q: Can PCM1772PWG4 handle both analog and digital audio signals simultaneously? A: Yes, PCM1772PWG4 has separate analog and digital signal paths, allowing simultaneous handling of both types of audio signals.

  10. Q: Is PCM1772PWG4 compatible with other audio processing chips or microcontrollers? A: Yes, PCM1772PWG4 is compatible with various audio processing chips and microcontrollers that support I2S or left-justified digital audio interfaces.

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