ADE7759

a FEATURES High Accuracy, Supports IEC 687/1036 On-Chip Digital Integrator Allows Direct Interface with Current Sensors with di/dt Output Such as Rogowski Coil Less Than 0.1% Error over a Dynamic Range of 1000 to 1 On-Chip User-Programmable Threshold for Line Voltage SAG Detection and PSU Supervisory The ADE7759 Supplies Sampled Waveform Data and Active Energy (40 Bits) Digital Power, Phase and Input DC Offset Calibration On-Chip Temperature Sensor (Typical 1 LSB/؇C Resolution) SPI-Compatible Serial Interface Pulse Output with Programmable Frequency Interrupt Request Pin (IRQ) and IRQ Status Register Proprietary ADCs and DSP provide High Accuracy over Large Variations in Environmental Conditions and Time Reference 2.4 V ؎ 8% (20 ppm/؇C Typical) with External Overdrive Capability Single 5 V Supply, Low Power Consumption (25 mW Typical) GENERAL DESCRIPTION Active Energy Metering IC with di/dt Sensor Interface ADE7759* between the current and the voltage channels. The integrator can be switched off if the ADE7759 is used with conventional current sensors. The ADE7759 contains a sampled Waveform register and an Active Energy register capable of holding at least 11.53 seconds of accumulated power at full ac load. Data is read from the ADE7759 via the serial interface. The ADE7759 also provides a pulse output (CF) with frequency that is proportional to the active power. In addition to active power information, the ADE7759 also provides various system calibration features, i.e., ch...