摘要
ATT7022芯片是专用于三相智能电表的集成计量芯片。使用该芯片设计电能计量检测系统可大大减少外围电路的元器件,并可降低成本,提高可靠性。文中介绍了ATT7022的主要功能、技术参数和内部结构,给出了ATT7022和W77E58进行接口的连接电路。
ATT7022 integrated chip is produced especially for three-phase intelligent ammeter, which is used to design electric energy metering detection system can reduce component of peripheral circuit, decrease cost and improve reliability. The main function, technical parameter and interior configuration of ATTT022 are introduced. The interface circuit of ATT7022 and W77E58 is provided.
出处
《物联网技术》
2011年第10期41-42,45,共3页
Internet of things technologies
