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SA9904B

ETC
Part Number SA9904B
Manufacturer ETC
Description Three Phase Power / Energy IC
Published Sep 21, 2005
Detailed Description Three Phase Power / Energy IC with SPI Interface SA9904B FEATURES + Bi-directional + + + + active and reactive power/ene...
Datasheet PDF File SA9904B PDF File

SA9904B
SA9904B

Overview
Three Phase Power / Energy IC with SPI Interface SA9904B FEATURES + Bi-directional + + + + active and reactive power/energy measurement RMS Voltage and frequency measurement Individual Phase information SPI communication bus Meets the IEC 61036 Specification requirements for Class 1 AC Watt hour meters sames + + + + + + Meets the IEC 61268 Specification requirements for Class 2 VAR hour meters Protected against ESD Total power consumption rating below 60mW Uses current transformers for current sensing Operates over a wide temperature range Precision on-chip voltage reference DESCRIPTION The SAMES SA9904B is a three phase bi-directional energy/power metering integrated circuit that has been designed to measure active and reactive energy, RMS mains voltage and frequency.
The SA9904B has an integrated SPI serial interface for communication with a micro-controller.
Measured values for active and reactive energy, the mains voltage and frequency for each phase are accessible through the SP...


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