PCM1738EG4
Product Overview
- Category: Integrated Circuit (IC)
- Use: Digital-to-Analog Converter (DAC)
- Characteristics:
- High-resolution audio conversion
- Low distortion and noise
- Wide dynamic range
- High sampling rate support
- Package: SSOP-28
- Essence: PCM1738EG4 is a high-performance DAC designed for audio applications.
- Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.
Specifications
- Resolution: Up to 24 bits
- Sampling Rate: Up to 192 kHz
- Total Harmonic Distortion + Noise (THD+N): <0.001%
- Signal-to-Noise Ratio (SNR): >110 dB
- Output Voltage Range: 2.1 Vpp
- Power Supply Voltage: 3.3 V
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The PCM1738EG4 has a total of 28 pins. The pin configuration is as follows:
- VCOM
- AVDD
- DVDD
- AGND
- DGND
- I2C_SCL
- I2C_SDA
- MUTE
- DEEMPH
- BICK
- LRCK
- SDIN
- SCLK
- SDOUT
- FS
- DEMP
- VREF
- VOUTL
- VOUTR
- VCOM
- AVDD
- DVDD
- AGND
- DGND
- I2C_SCL
- I2C_SDA
- MUTE
- DEEMPH
Functional Features
- High-resolution audio conversion for accurate reproduction of digital audio signals.
- Low distortion and noise ensure high-fidelity sound output.
- Wide dynamic range allows for the faithful representation of subtle audio details.
- High sampling rate support enables playback of high-definition audio content.
Advantages
- Excellent audio quality with low distortion and noise levels.
- Wide dynamic range captures the full range of audio nuances.
- High sampling rate support ensures compatibility with high-resolution audio formats.
- Compact SSOP-28 package allows for space-efficient integration into audio devices.
Disadvantages
- Limited output voltage range compared to some other DACs.
- Requires a 3.3 V power supply, which may not be compatible with all systems.
Working Principles
The PCM1738EG4 utilizes advanced digital-to-analog conversion techniques to convert digital audio signals into analog waveforms. It employs a multi-bit architecture with up to 24 bits of resolution, allowing for precise signal reconstruction. The device incorporates various filters and amplifiers to minimize distortion and noise, resulting in high-quality audio output.
Detailed Application Field Plans
The PCM1738EG4 is commonly used in the following applications:
- Professional audio equipment
- High-end consumer audio systems
- Digital audio workstations (DAWs)
- Audio mixers and processors
- Home theater systems
- Automotive audio systems
Detailed and Complete Alternative Models
- PCM1794A: Similar performance and features, but with a higher output voltage range.
- CS4398: Competing DAC with comparable specifications and performance.
- AK4490EQ: High-performance DAC with advanced digital filtering capabilities.
Note: This list is not exhaustive, and there are several alternative models available in the market.
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技術ソリューションにおける PCM1738EG4 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of PCM1738EG4 in technical solutions:
Q: What is PCM1738EG4? A: PCM1738EG4 is a high-performance audio digital-to-analog converter (DAC) chip manufactured by Texas Instruments.
Q: What are the key features of PCM1738EG4? A: PCM1738EG4 features include 24-bit resolution, support for sampling rates up to 192 kHz, differential current output, and low distortion and noise levels.
Q: What are the typical applications of PCM1738EG4? A: PCM1738EG4 is commonly used in audio systems, such as professional audio equipment, home theater systems, multimedia devices, and high-end consumer audio products.
Q: How does PCM1738EG4 achieve high audio quality? A: PCM1738EG4 utilizes advanced digital signal processing techniques, high-resolution DAC architecture, and low-jitter clocking to ensure accurate and faithful reproduction of audio signals.
Q: What is the power supply requirement for PCM1738EG4? A: PCM1738EG4 requires a single power supply voltage ranging from +4.75V to +5.25V.
Q: Can PCM1738EG4 be used with different microcontrollers or processors? A: Yes, PCM1738EG4 can be interfaced with various microcontrollers or processors using standard serial audio interfaces like I2S or SPI.
Q: Does PCM1738EG4 support multiple audio channels? A: Yes, PCM1738EG4 supports stereo audio playback, which means it can handle two audio channels simultaneously.
Q: Are there any evaluation boards available for PCM1738EG4? A: Yes, Texas Instruments provides evaluation boards and reference designs for PCM1738EG4 to help developers quickly prototype and evaluate their audio solutions.
Q: Can PCM1738EG4 be used in battery-powered devices? A: Yes, PCM1738EG4 has low power consumption and can be used in battery-powered devices, provided the power supply voltage requirements are met.
Q: Are there any application notes or technical documentation available for PCM1738EG4? A: Yes, Texas Instruments provides comprehensive datasheets, application notes, and technical documentation on their website, which provide detailed information on using PCM1738EG4 in various applications.
Please note that these answers are general and may vary depending on specific implementation requirements. It is always recommended to refer to the official documentation and consult with technical experts for accurate and up-to-date information.