DESCRIPTION

The SAMES SA9105F Three Phase bidirectional Power/Energy metering integrated circuit generates pulse rate

outputs for positive and negative energy directions, the frequency of which is proportional to the power consumption. The SA9105F performs the calculation for active power.

FEATURES

Performs bidirectional one, two or three phase power and energy measurement

Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters

Operates over a wide temperature range

Uses current transformers for current sensing

Excellent long term stability

Easily adaptable to different signal levels

Precision voltage reference on-chip

Two pulse output formats available

Protected against ESD