Single Phase Power / Energy IC with SPI Interface SA9903B
+ FEATURES + Bi-directional active + + +
and reactive power/energy measurement RMS
Voltage and frequency measurement SPI communication bus Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters
sames
+ + + + + +
Meets the IEC 1268 Specification requirements for VAR hour meters Protected against ESD Total power consumption rating below 25mW Adaptable to different current sensor technologies Operates over a wide temperature range Precision
voltage reference on-chip
DESCRIPTION
The SAMES SA9903B is a single phase bi-directional energy/power metering integrated circuit that performs measurement of active and r...