PCM1792DB
Product Overview
Category: Digital-to-Analog Converter (DAC)
Use: The PCM1792DB is a high-performance stereo audio DAC designed for professional audio applications. It is commonly used in audio equipment such as CD players, digital audio workstations, and home theater systems.
Characteristics: - High-resolution audio playback - Low distortion and noise levels - Wide dynamic range - Support for various audio formats - Flexible interface options
Package: The PCM1792DB comes in a small outline package (SOIC) with 28 pins.
Essence: The essence of the PCM1792DB lies in its ability to convert digital audio signals into high-quality analog signals, ensuring accurate and faithful reproduction of sound.
Packaging/Quantity: The PCM1792DB is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
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): >120 dB
- Dynamic Range (DNR): >120 dB
- Output Voltage: 2 Vrms (RMS)
- Power Supply Voltage: 5 V
- Operating Temperature Range: -40°C to +85°C
Pin Configuration
The PCM1792DB has a total of 28 pins. Here is a detailed pin configuration:
- VCOM
- AVDD
- DVDD
- AGND
- DGND
- I2C_SCL
- I2C_SDA
- MUTE
- DEEMPH
- OSF
- BCK
- LRCK
- DATA
- SCLK
- SDIN
- SDO
- VOUTR
- VOUTL
- AGND
- DGND
- AVDD
- DVDD
- VCOM
- NC
- NC
- NC
- NC
- NC
Functional Features
- High-resolution audio playback: The PCM1792DB supports up to 24-bit resolution, allowing for accurate reproduction of fine audio details.
- Low distortion and noise levels: With a THD+N of less than 0.001% and a high SNR and DNR, the PCM1792DB ensures minimal distortion and noise in the audio output.
- Flexible interface options: The DAC can be easily integrated into various audio systems using standard I2C and audio interface protocols.
- Support for various audio formats: The PCM1792DB is compatible with a wide range of audio formats, including PCM, DSD, and DoP.
Advantages and Disadvantages
Advantages: - High-quality audio reproduction - Wide dynamic range - Flexible integration options - Support for various audio formats
Disadvantages: - Relatively higher cost compared to lower-end DACs - Requires careful PCB layout and power supply design for optimal performance
Working Principles
The PCM1792DB utilizes advanced digital signal processing techniques to convert digital audio signals into analog form. It employs a multi-bit delta-sigma architecture with oversampling to achieve high-resolution audio playback. The incoming digital audio data is processed, filtered, and converted into an analog voltage, which is then amplified to drive headphones or speakers.
Detailed Application Field Plans
The PCM1792DB finds applications in various professional audio equipment, including: - CD players - Digital audio workstations - Home theater systems - Audio interfaces - Mixing consoles - High-end audio amplifiers
Detailed and Complete Alternative Models
- PCM1794A: A higher-end DAC with improved specifications and performance.
- PCM1796: A lower-cost DAC option with slightly reduced specifications.
- PCM1798: A stereo DAC with similar performance to the PCM1792DB but in a different package.
These alternative models provide options for different budget and performance requirements.
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10 pirs û bersivên hevpar ên têkildarî sepana PCM1792DB di çareseriyên teknîkî de navnîş bikin
Sure! Here are 10 common questions and answers related to the application of PCM1792DB in technical solutions:
Q: What is PCM1792DB? A: PCM1792DB is a high-performance stereo digital-to-analog converter (DAC) chip manufactured by Texas Instruments.
Q: What are the key features of PCM1792DB? A: PCM1792DB features a dynamic range of 132 dB, supports sampling rates up to 192 kHz, and offers various digital audio interfaces.
Q: How can I interface PCM1792DB with other devices? A: PCM1792DB supports standard audio interfaces such as I2S, left-justified, right-justified, and TDM formats, making it compatible with a wide range of microcontrollers, DSPs, and audio processors.
Q: Can PCM1792DB handle both PCM and DSD audio formats? A: No, PCM1792DB is designed to handle PCM audio formats only. It does not support native DSD playback.
Q: What is the power supply requirement for PCM1792DB? A: PCM1792DB requires a single power supply voltage ranging from +4.75V to +5.25V.
Q: Does PCM1792DB require any external components for operation? A: Yes, PCM1792DB requires external components such as decoupling capacitors, resistors, and an analog output filter to ensure proper operation and performance.
Q: Can PCM1792DB be used in portable audio devices? A: Yes, PCM1792DB can be used in portable audio devices, but its power consumption and external component requirements should be taken into consideration.
Q: What is the typical audio quality provided by PCM1792DB? A: PCM1792DB offers excellent audio quality with low distortion, high signal-to-noise ratio, and accurate reproduction of audio signals.
Q: Can PCM1792DB be used in professional audio applications? A: Yes, PCM1792DB is suitable for professional audio applications such as studio equipment, audio interfaces, and high-end audio systems.
Q: Are there any evaluation boards or development kits available for PCM1792DB? A: Yes, Texas Instruments provides evaluation boards and development kits that include PCM1792DB, allowing engineers to quickly prototype and evaluate their designs.
Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations.