The ALC5640-VB-CG with Codec ICs QFN-48 RoHS is manufactured by Realtek and is a high quality, low power audio codec with multiple integrated stereo audio codecs. It features a variety of technology integration, including analog to digital and digital to analog signal conversion, signal conditioning, high dynamic range, low noise and harmonic distortion, and efficient digital mixing and clocking. This device uses I2S, SPDIF, PCM, and other digital audio interfaces for audio capture, playback, and audio mixing. With extensive process control features, the ALC5640-VB-CG allows users to customize their audio outputs according to their own requirements. Additionally, it is RoHS compliant, meaning it conforms to standards for the restriction of hazardous substances in electronic products.