The ADE7758 is a high-precision, multifunction three-phase energy metering IC that supports IEC 60687, IEC 61036, IEC 61268, IEC 62053-21, IEC 62053-22, and IEC 62053-23 standards and is compatible with 3-phase 3-wire, 3-phase 4-wire, and other three-phase power systems. At 25°C, the dynamic range can reach 1000:1, and the maximum error is less than 0.1%. It also supports active power, reactive power, apparent power, voltage, current, and other information acquisition, and has programmable frequency pulse output, digital power, phase, voltage offset calibration, voltage sag/overvoltage detection, direct dc current detection, etc.
The ADE7758 is a high accuracy, 3-phase electrical energy measurement integrated circuit (IC) designed for measuring active, reactive, and apparent energy in various 3-phase configurations. It incorporates second-order Σ-Δ ADCs, a digital integrator, reference circuitry, and temperature sensors to perform precise calculations.
| Active Energy Measurement Error (per Phase) | 0.1% typ |
|---|---|
| Supply Voltage | 5 V ± 5% |
| Operating Temperature Range | -40°C to +85°C |
| Input Clock Frequency (CLKIN) | 15 MHz max, 5 MHz min |
The device supports IEC 60687, IEC 61036, IEC 61268, IEC 62053-21, IEC 62053-22, and IEC 62053-23.
The device operates with a single 5 V supply at low power, typically consuming 70 mW.
Yes, it includes a 2.4 V reference with a drift of 30 ppm/°C typical.