SA9122E SINGLE PHASE UNIDIRECTIONAL POWER/ENERGY METERING IC WITH SEPERATE 64 SEGMENT LCD DRIVER FEATURES n sames Performs unidirectional power and energy measurement On-chip 64 segment LCD driver Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters Total power consumption rating below 25 mW n Adaptable to different types of current sensors Operates over a wide temperature range Different pulse rate options available for power information LCD data input via a serial interface n n n n n n DESCRIPTION The SAMES SA9122E Single Phase unidirectional active Power/Energy metering integrated circuit includes a seperate onchip 64 segment Liquid Crystal Display d...

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