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.