ATT7021

Actions Semiconductor Co., LTD. Single Phase Energy Meter IC --ATT7021 Actions Semiconductor Co.,LTD ATT7021 User’s Manual Page 1of 8 Tel 86-756-3392353 Fax 86-756-3392251 Actions Semiconductor Co., LTD. Single Phase Energy Meter IC --ATT7021 „ FEATURE ATT7021 User’s Manual High Accuracy, Wide Dynamic Range The High Frequency Output CF is intended for calibration.The Low Frequency Output F1 and F2 can be used to drive for Electromechanical Counters or Two Phase Stepper Motors. A Programmable Gain Amplifier(PGA) in the current channel Allows the Use of Small Values Shunt. The logic output REVP can be used to indicate a potential miswiring or negative power, the ATT7021 may measure positive and negative direction power, and energy can be accumulated according to the same direction. On – Chip Creep Protection. High Stability, Longevity Over 20 Years. Single +5V Power Supply, Low Power (Typical 15mW). On – Chip Power Supply Monitoring, On-c...