ADE7754_Features_March2003.pdfVIP

The World Leader in High-Performance Signal Processing Solutions Multi-functional Polyphase Energy Metering IC with Serial Port Interface ADE7754 Energy Measurement Group Precision Converters (PRC) Division 2ADE7754: A programmable solution for Polyphase Energy measurement Transducers Current Voltage 8-bit MCU Energy Measurements LCD Display Circuit Breaker Infrared Interface aADE7754 ADCs + Fixed functions DSP U s e r i n t e r f a c e Data Communication or Automatic Meter Reading (AMR) Power Line Carrier Short-range RF GSM cellular network Current Current Voltage Voltage Simple Signal Processing Communication Billing information Meter control command Our established leadership position Application Overview Features Configurability 3ADE7754: Technology at a glance Overview Features Configurability 101011... RMS Active Energy Apparent Energy Digital-To- Frequency On chip Temp. sensor On chip Temp. sensor Serial Port Interface ADC ADC Current signal Voltage signal Phase A ADC ADC Current signal Voltage signal Phase B ADC ADC Current signal Voltage signal Phase C Superior DSP PerformanceHigh Precision 6-Channel ADC Application 4ADE7754: Overview of Functionalities ! Surpasses IEC1036 requirement. Less than 0.1% error over wide dynamic range ! Supplies the following information: Active energy Sign of Reactive energy Apparent energy Simultaneous RMS calculation on the six analog inputs Peak Voltage and Current detection SAG Line Voltage detection Line Period Temperature ! Digital calibration Application Overview Features Configurability 5ADE7754: Characteristics #24-pin SOIC package #5V Power Supply #[-40 C ; +85 C] Temperature Operating range # 500mV maximum analog input range with PGA of 1, 2 or 4 on all channels #External Clock frequency = 10MHz Application Overview Features Configurability 6ADE7754: Block Diagram !Analog Front end !Current sensor connection !Digital solution !Active Energy !Calibration Mode !RMS measurements !Apparent Ener