The XL158 is a general purpose amplifier manufactured by XINLUDA, which comes in the small outline package (SOP-8) and is RoHS compliant. It is designed to amplify signal from low voltage environments, typically between 1.8V and 5V. The amplifier can be used for a range of applications including signal conditioning, filtering, and level shifting. The XL158 has a high impedance input, low noise, and low power consumption. It also features a wide operating temperature range, making it suitable for industrial and commercial applications.