Overview
The ADE7923ARWZ-RL is an isolated energy metering chipset designed by Analog Devices Inc. for polyphase shunt meters. This integrated circuit is part of the ADE7923 family, which includes high accuracy and enhanced energy monitoring capabilities. The ADE7923ARWZ-RL is particularly suited for demanding applications that require precise measurement of electrical energy in various configurations.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | 20-Lead SOIC_W (Wide Body) |
| Operating Temperature | −40°C to +85°C |
| Number of ADC Channels | Three (one current channel and two voltage channels) |
| Signal-to-Noise Ratio (SNR) | 67 dB for current channel, 75 dB for voltage channels over a 3.3 kHz signal bandwidth |
| Integrated Features | isoPower® integrated, isolated dc-to-dc converter |
| Serial Interfaces | SPI and I2C |
Key Features
- High Accuracy: Designed for demanding applications requiring precise energy measurement.
- Enhanced Energy Monitoring: Capable of measuring active, reactive, and apparent energy in various 3-phase configurations.
- Isolated Energy Metering: Includes isoPower®, an integrated, isolated dc-to-dc converter for safe and reliable operation.
- Multiple ADC Channels: Features three ADC channels, including one for current measurement and two for voltage measurement.
- Power Quality Monitoring: Includes capabilities for monitoring power quality, such as voltage and current variations, and line voltage period measurement.
Applications
- Polyphase Shunt Meters: Ideal for energy metering in residential, commercial, and industrial settings.
- Smart Grid Systems: Suitable for advanced energy monitoring and management in smart grid applications.
- Industrial Automation: Used in industrial automation for precise energy measurement and monitoring.
- Power Quality Monitoring: Utilized in systems that require real-time monitoring of power quality parameters).
Q & A
- What is the ADE7923ARWZ-RL used for?
The ADE7923ARWZ-RL is used for isolated energy metering in polyphase shunt meters, providing high accuracy and enhanced energy monitoring capabilities.
- How many ADC channels does the ADE7923ARWZ-RL have?
The ADE7923ARWZ-RL has three ADC channels: one for current measurement and two for voltage measurement.
- What is the operating temperature range of the ADE7923ARWZ-RL?
The operating temperature range is −40°C to +85°C.
- Does the ADE7923ARWZ-RL support serial interfaces?
Yes, it supports both SPI and I2C serial interfaces.
- What is the purpose of the isoPower® feature in the ADE7923ARWZ-RL?
The isoPower® feature is an integrated, isolated dc-to-dc converter that ensures safe and reliable operation.
- Can the ADE7923ARWZ-RL measure power quality parameters?
Yes, it includes capabilities for monitoring power quality parameters such as voltage and current variations and line voltage period measurement.
- In what types of applications is the ADE7923ARWZ-RL commonly used?
It is commonly used in polyphase shunt meters, smart grid systems, industrial automation, and power quality monitoring.
- What is the signal-to-noise ratio (SNR) of the ADE7923ARWZ-RL?
The SNR is 67 dB for the current channel and 75 dB for the voltage channels over a 3.3 kHz signal bandwidth.
- Can the ADE7923ARWZ-RL be used in three and four-wire configurations?
Yes, it can be used in various 3-phase configurations, including both three and four wires.
- Does the ADE7923ARWZ-RL have any built-in calibration features?
Yes, it provides system calibration features for each phase, gain calibration, and optional offset correction.
