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SA2002E 데이터시트(PDF) 1 Page - Sames |
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1 / 10 page + + + + + FEATURES Functionally compatible with the SA9602E with reduced external components Uni-directional power and energy measurement Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters Protected against ESD sames Single Phase Uni-directional Power / Energy Metering IC with Instantaneous Pulse Output SA2002E 1/10 SA2002E (REV. 7) 17-03-02 + + + + + Total power consumption rating below 25mW Adaptable to different types of current sensors Operates over a wide temperature range Precision voltage reference on-chip Precision oscillator on-chip DESCRIPTION The SAMES SA2002E is an enhancement of the SA9602E, as the circuit contains the oscillator on chip. The SAMES SA2002E single phase uni-directional power/energy metering integrated circuit generates a pulse rate output with a frequency proportional to the power consumption. The SA2002E performs a calculation for active power. The method of calculation takes the power factor into account. Energy consumption can be determined by the power measurement being integrated over time. This innovative universal single-phase power/energy metering integrated circuit is ideally suited for energy calculations in applications such as residential municipal metering and factory energy metering and control. The SA2002E integrated circuit is available in 8, 14 and 20 pin dual-in-line plastic (PDIP) as well as 16 and 20 pin small outline (SOIC) package types. Figure 1: Block diagram IIP IIN IVP GND VREF DR-01586 POWER TO FREQUENCY FOUT V DD V SS POWER INTEGRATOR ANALOG SIGNAL PROCESSING TIMING OSC VOLTAGE REF. |
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