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SA9105A Datasheet

Part NameDescriptionManufacturer
SA9105A THREE PHASE UNIDIRECTIONAL POWER/ENERGY METERING IC WITH PULSE OUTPUT Sames
South African Micro Electronic Systems Sames
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DESCRIPTION
The SAMES SA9105A Three Phase unidirectional Power/Energy metering integrated circuit generates a pulse rate output, the frequency of which is proportional to the power consumption. The SA9105A performs the calculations of active power. The method of calculation takes the power factor into account.
Energy consumption is determined by the power measurement being integrated over time.
The output of this innovative universal three phase power/energy metering integrated circuit, is ideally suited for applications such as residential and industrial energy metering and control.

FEATURES
■ Performs unidirectional 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
■ Three pulse rate outputs available
■ Protected against ESD

 

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