PCM1798DB
High-resolution 24-bit stereo audio DACs in 28-pin SSOP packaging
Manufacturer： ti
series introduction
# PCM1798DB Product Series Introduction
## 1. Overview
The PCM1798DB is a high - performance audio digital - to - analog converter (DAC) product series developed by Texas Instruments. It is designed to meet the demanding requirements of high - end audio applications, offering exceptional audio quality and a wide range of features that make it a popular choice among audio enthusiasts, professional audio equipment manufacturers, and designers.
## 2. Key Features
### 2.1 High - Resolution Audio Conversion
- The PCM1798DB supports high - resolution audio formats, including up to 24 - bit/192kHz sampling rates. This high - resolution capability allows for the reproduction of audio with extremely fine details, rich dynamics, and a wide frequency response. It can accurately capture and reproduce the nuances of music, making it suitable for applications where audio fidelity is of the utmost importance, such as high - end home audio systems, professional recording studios, and audiophile - grade headphones.
### 2.2 Low Distortion and Noise
- With its advanced design and high - quality components, the PCM1798DB offers very low total harmonic distortion plus noise (THD+N). This low distortion ensures that the converted audio signal closely resembles the original digital input, without introducing unwanted artifacts or coloration. The low noise floor also contributes to a clean and quiet audio output, allowing for a more immersive listening experience.
### 2.3 Multiple Digital Inputs
- The product series provides multiple digital input options, including I2S, left - justified, right - justified, and DSP formats. This flexibility allows it to interface easily with a variety of digital audio sources, such as microcontrollers, digital signal processors (DSPs), and audio codecs. Designers can choose the most suitable input format based on their specific application requirements, simplifying the integration process.
### 2.4 Integrated Digital Filters
- The PCM1798DB features integrated digital filters that can be configured to optimize the audio performance. These filters help to shape the frequency response, reduce aliasing, and improve the overall audio quality. Designers can select from different filter options to achieve the desired sound signature, whether it is a flat response for accurate reproduction or a more colored response for a specific audio style.
### 2.5 Power Management
- It incorporates efficient power management features to minimize power consumption while maintaining high - performance operation. This is particularly important for battery - powered audio devices, as it helps to extend the battery life. The device also has a low - power standby mode, which can be activated when the audio system is not in use, further reducing power consumption.
## 3. Applications
### 3.1 Home Audio Systems
- In high - end home audio receivers, amplifiers, and digital audio players, the PCM1798DB can be used to convert digital audio signals from sources such as CDs, streaming devices, and network audio players into high - quality analog audio. Its high - resolution capabilities and low distortion ensure that the audio output is of the highest quality, providing a rich and immersive listening experience for home audiophiles.
### 3.2 Professional Audio Equipment
- Professional recording studios, mixing consoles, and audio interfaces can benefit from the PCM1798DB's high - performance audio conversion. It can accurately reproduce the audio signals during the recording, mixing, and mastering processes, ensuring that the final audio product meets the highest professional standards.
### 3.3 Automotive Audio Systems
- In automotive audio applications, the PCM1798DB can be used to enhance the audio quality of in - car entertainment systems. Its low power consumption and high - performance characteristics make it suitable for use in vehicles, where space and power are often limited. It can provide a more immersive and high
Images for reference
28-SSOP Pkg
28-SOIC
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