DESCRIPTION

The SAMES SA9122E Single Phase unidirectional active Power/Energy metering integrated circuit includes a seperate on-chip 64 segment Liquid Crystal Display driver. The power/energy metering circuit generates a pulse rate output, proportional to the power consumption, while the LCD driver is programmable via a serial interface.

FEATURES

■ 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

■ 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