Professional IC Distribution & Technical Solutions

The ADE7755ARSZ is an energy metering IC manufactured by Analog Devices Inc. (ADI). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Analog Devices Inc. (ADI)
• Package: 24-SSOP
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 5V ± 5%
• Active Power Accuracy: ±0.1% (typical)
• Current Channel Input Range: ±500mV peak
• Voltage Channel Input Range: ±500mV peak
• Frequency Output (CF) Pulse Rate: Adjustable via on-chip frequency divider
• Power Consumption: Typically 15mW

Descriptions:

• The ADE7755ARSZ is a high-accuracy, single-phase energy metering IC designed for active power measurement in electricity meters.
• It incorporates two 16-bit sigma-delta ADCs, a digital integrator, and a power calculation engine to provide accurate active energy measurement.
• The IC supports diode sensor interfaces for current and voltage sensing, making it suitable for shunt or current transformer (CT) based designs.
• It includes a calibration mechanism for gain and phase adjustments to ensure high precision across varying load conditions.

Features:

• High Accuracy Active Energy Measurement (±0.1% typical error)
• On-Chip Digital Integration (eliminates phase error between current and voltage channels)
• Programmable Frequency Output (CF) for calibration and pulse output
• Low Power Consumption (suitable for battery-operated or energy-efficient meters)
• Wide Dynamic Range (1000:1) for accurate measurement under varying loads
• Built-in Power Supply Monitoring for brownout detection
• Serial Interface (SPI-Compatible) for configuration and calibration

This IC is commonly used in single-phase electricity meters, energy monitoring systems, and smart grid applications.