Data Sheet
Isolated Energy Metering Chipset for Polyphase Shunt Meters
ADE7978/ADE7933/ADE7932/ADE7923
FEATURES
Flexible I2C, SPI, and HSDC serial interfaces
Enables shunt current sensors in polyphase energy meters Immune to magnetic tampering Highly accurate; supports EN 50470-1, EN 50470-3,
IEC 62053-21, IEC 62053-22, IEC 62053-23, ANSI C12.
20, and IEEE 1459 standards Compatible with 3-phase, 3- or 4-wire (delta or wye) meters and other 3-phase services Computes active, reactive, and apparent energy on each phase and on the overall system Less than 0.
2% error in active and reactive energy over
Safety and
regulatory approvals UL recognition 5000 V rms for 1 minute per UL 1577 CSA Compo...