ADE7759ARS

The ADE7759ARS is a high-accuracy active energy metering integrated circuit designed by Analog Devices. It supports single-phase measurements and features an on-chip digital integrator, allowing direct interface with di/dt current sensors like Rogowski coils. This eliminates the need for external analog integrators, providing excellent long-term stability and precise phase matching between current and voltage channels.

Key features include less than 0.1% error over a dynamic range of 1000 to 1, on-chip user-programmable thresholds for line voltage SAG detection, and sampled waveform data. The device operates from a single 5V supply with low power consumption (25 mW typical) and includes a 2.4V reference with external overdrive capability. It offers SPI-compatible serial interface and a pulse output proportional to active power.

The ADE7759ARS is housed in a 20-SSOP package and is designed for surface mount applications. It operates over a temperature range of -40°C to 85°C, making it suitable for various environmental conditions. The IC provides digital calibration features for power, phase, and input DC offset, along with an on-chip temperature sensor.