PCM1748KE

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The PCM1748KE is a high-performance audio DAC designed for professional audio applications. It converts digital audio signals into analog signals with exceptional accuracy and fidelity.

Characteristics: - High-resolution audio conversion - Low distortion and noise levels - Wide dynamic range - Support for various audio formats - Flexible interface options

Package: The PCM1748KE is available in a small outline package (SOP) which ensures easy integration into audio systems.

Essence: The PCM1748KE is an essential component in audio playback systems, ensuring accurate and high-quality conversion of digital audio signals to analog form.

Packaging/Quantity: The PCM1748KE is typically sold in reels containing a specified quantity of units, depending on the manufacturer's packaging standards.

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): >110 dB
Dynamic Range: >110 dB
Interface: I2S, SPI, or TDM
Power Supply: 3.3V

Pin Configuration

The PCM1748KE has a total of 28 pins. Here is a detailed pin configuration:

VCC - Power supply voltage
GND - Ground
DVDD - Digital power supply voltage
AVDD - Analog power supply voltage
AGND - Analog ground
BCK - Bit clock input
DIN - Serial data input
LRCK - Left/right channel clock input
MCLK - Master clock input
SDOUT - Serial data output
VCOM - Common-mode voltage output 12-28. Reserved for other functions

Functional Features

High-resolution audio conversion ensures accurate reproduction of audio signals.
Low distortion and noise levels result in a clean and clear audio output.
Wide dynamic range captures subtle details in the audio signal.
Support for various audio formats allows compatibility with different digital audio sources.
Flexible interface options enable seamless integration into different audio systems.

Advantages and Disadvantages

Advantages: - High-resolution audio conversion for exceptional sound quality. - Low distortion and noise levels ensure a clean audio output. - Wide dynamic range captures the full range of audio signals. - Flexible interface options allow easy integration into various audio systems.

Disadvantages: - Limited availability of alternative models may restrict design choices. - Higher cost compared to lower-end DACs.

Working Principles

The PCM1748KE utilizes advanced digital-to-analog conversion techniques to accurately convert digital audio signals into analog form. It employs high-quality components and sophisticated algorithms to minimize distortion and noise, resulting in faithful audio reproduction.

Detailed Application Field Plans

The PCM1748KE is widely used in professional audio applications, including: - Studio recording equipment - Mixing consoles - Digital audio workstations - High-end audio amplifiers - Home theater systems

Its high-performance specifications and reliable performance make it suitable for demanding audio environments.

Alternative Models

Here are some alternative models that offer similar functionality to the PCM1748KE:

PCM1794A - A high-performance 24-bit DAC with similar specifications.
CS4398 - A 24-bit DAC known for its excellent sound quality.
AK4490EQ - A high-resolution DAC with low distortion and wide dynamic range.

These alternative models provide designers with options based on their specific requirements and preferences.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCM1748KE v technických řešeních

Sure! Here are 10 common questions and answers related to the application of PCM1748KE in technical solutions:

Q: What is PCM1748KE? A: PCM1748KE is a high-performance stereo audio digital-to-analog converter (DAC) chip manufactured by Texas Instruments.
Q: What are the key features of PCM1748KE? A: The key features of PCM1748KE include 24-bit resolution, support for sampling rates up to 192 kHz, low total harmonic distortion, and a dynamic range of 112 dB.
Q: How can PCM1748KE be used in audio applications? A: PCM1748KE can be used as a DAC in various audio applications such as CD players, DVD players, home theater systems, professional audio equipment, and digital audio workstations.
Q: Does PCM1748KE require an external power supply? A: Yes, PCM1748KE requires an external power supply typically ranging from +5V to +12V.
Q: Can PCM1748KE be directly connected to a microcontroller or processor? A: Yes, PCM1748KE can be interfaced with microcontrollers or processors using standard digital audio interfaces like I2S or SPI.
Q: What is the output voltage range of PCM1748KE? A: The output voltage range of PCM1748KE is typically between 0V and Vref, where Vref is the reference voltage supplied to the chip.
Q: Does PCM1748KE support different output filter options? A: Yes, PCM1748KE provides multiple selectable output filter options to optimize the audio performance based on the specific application requirements.
Q: Can PCM1748KE operate in both single-ended and differential output modes? A: Yes, PCM1748KE supports both single-ended and differential output modes, providing flexibility in connecting to different audio systems.
Q: Does PCM1748KE have any built-in digital volume control functionality? A: No, PCM1748KE does not have a built-in digital volume control feature. External volume control circuitry may be required if volume adjustment is needed.
Q: Are there any evaluation boards or development kits available for PCM1748KE? A: Yes, Texas Instruments offers evaluation boards and development kits specifically designed for PCM1748KE, which can help in the prototyping and testing of audio applications.

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