This advanced analog front end (AFE) is meticulously crafted to serve energy metering applications, offering a sigma-delta ADC architecture that stands out for its 24-bit resolution and 128ksps sample rate. Known for its precision in energy measurement, it is ideally suited for accurately gauging and maintaining energy flow, a vital component for smart metering solutions.\n\nIncorporating sigma-delta modulation, the ADC delivers superior precision with high noise suppression capabilities, ensuring that measurements are exact and reliable over time. This provides energy meters the ability to detect even minor consumption variations, crucial for accurate billing and energy management systems.\n\nUtilizing SMIC's 180nm technology, this AFE integrates cutting-edge design with minimal power consumption and optimal efficiency, making it a valuable component for energy-efficient smart devices that require elongated operational life.