Description
Superior Analog Performance with Ultra-low Noise Level & High SNR - Energy Measurement Accuracy of 0.1% over a 4000:1 Dynamic Range - Two Independent 24-bit, 4th-order, Delta-Sigma Modulators for Voltage and Current Measurements - Configurable Digital Output for Energy Pulses, Interrupt, zero-crossing, and Energy Direction - Supports Shunt Resistor, CT, and Rogowski Coil Current Sensors - On-chip Measurements/Calculations: - Active, Reactive, and Apparent Power - RMS Voltage and Current - Power Factor and Line Frequency - Instantaneous Voltage, Current, and Power - Overcurrent, Voltage Sag, and Voltage Swell Detection - Ultra-fast On-chip Digital Calibration - Configurable No-load Threshold for Anti-creep - Internal Register Protection via Checksum and Write Protection - UART Serial Interface - On-chip Temperature Sensor - On-chip Voltage Reference (25ppm/°C Typ.) - Single 3.3 V Power Supply - Ultra-fine Phase pensation - Low Power Consumption: <13 mW - Power Supply Configurations: - GNDA = 0 V, VDDA: +3.3 V - Low-cost 16-pin SOIC Package The CS5490 is a high-accuracy, two-channel, energy measurement analog front end.
