XR1071 application circuit

Description: The 1071 touch utilizes audio enhancement technology, introducing a high-resolution two-channel stereo enhancement processing chip designed to improve product performance. It aims to enhance stereo sound systems, allowing various audio sources to exhibit a strong spatial presence. The chip employs a bipolar integrated manufacturing process, ensuring low noise and minimal total harmonic distortion. It features a large adjustment range and operates on a dual power supply. Electrical parameters are detailed in Table 5-9, and the 32-pin dual in-line package is described in the pin function description found in Table 5-100. The application circuit is illustrated in Figure 5-19. The XR1071 chip not only compensates for audio signal phase and amplitude (harmonic compensation) to enhance bass contour but also includes a bypass function that minimizes noise in bypass mode. The bypass function is managed by two analog switches, one for each audio channel, and can be externally controlled by a switch. When pin 1 of the external switch is closed, an internal pull-down current is activated within the IC.

The XR1071 audio enhancement chip is engineered to significantly elevate the audio experience by processing stereo signals with high fidelity. Its bipolar integrated manufacturing process contributes to its low noise characteristics and low total harmonic distortion, making it an excellent choice for high-quality audio applications. The dual power supply design allows for flexible integration into various audio systems, accommodating different voltage requirements.

The chip's functionality includes advanced features such as phase compensation and amplitude compensation, which are crucial for maintaining audio integrity across different frequencies. The harmonic compensation feature specifically targets the enhancement of bass response, allowing for a richer and more immersive listening experience. The bypass function is particularly noteworthy, as it allows users to switch to a mode that minimizes noise, ensuring that the audio remains clean and clear when desired.

The external control mechanism for the bypass function is implemented through analog switches, which provide a simple and effective means for users to toggle between enhanced and bypass modes. This design choice not only simplifies the user interface but also allows for seamless integration into existing audio systems without complex modifications. The internal pull-down current activated by the external switch ensures that the chip operates reliably, maintaining consistent performance during transitions between modes.

Overall, the XR1071 touch audio enhancement chip serves as a versatile and powerful component for enhancing stereo sound systems, making it suitable for a wide range of audio applications, from home theater systems to professional audio equipment. Its comprehensive features and robust design make it an ideal choice for engineers and designers looking to improve audio quality in their products.1071 touch is the use of audio enhancement technology being introduced high-resolution two-channel stereo enhancement processing chip production improvement product, it is desi gned to enhance the stereo sound system, so that a variety of sources can exhibit strong spot sense. It uses bipolar integrated manufacturing process, low noise, total harmonic distortion, large adjustment range, dual power supply, electrical parameters in Table 5-9 are shown o 1071 for the 32-pin dual in-line package, which is incorporated pin function Description Table 5-100 application circuit shown in Figure 5-19 O XR1071 addition to the audio signal phase compensation, amplitude compensation (harmonic compensation), to enhance the bass contour, but also has a bypass function, to work in a bypass mode noise is very low. BBE bypass function with two analog switches to complete (each sound track with one), externally controlled by a switch to sing debate.

After the pin 1 of 6 external switch is closed, IC inside there will be a pull-down current.