Overview
The ADE7923ARWZ from Analog Devices Inc. is a specialized analog-to-digital converter (ADC) designed for precise measurement and data acquisition. This component is part of the ADE7933/ADE7932/ADE7923 family, which is tailored for energy metering and power monitoring applications. The ADE7923ARWZ is a non-isolated version, making it suitable for neutral current measurement where isolation from the neutral line is not required.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 3 |
| Resolution (Bits) | 24 |
| Sampling Rate (Per Second) | 8 kSPS |
| Data Interface | I2C, SPI |
| Package Type | 20-Lead SOIC_W |
| Operating Temperature Range | -40°C to +85°C |
| Signal-to-Noise Ratio (SNR) | 75 dB over a 3.3 kHz signal bandwidth for voltage channels, 67 dB for current channel |
Key Features
- Multi-channel ADC: The ADE7923ARWZ features three ADC channels, with one dedicated to measuring the voltage across a shunt for current sensing and two additional channels for voltage measurements.
- High SNR: The device provides a high signal-to-noise ratio (SNR) of 75 dB for voltage channels and 67 dB for the current channel over a 3.3 kHz signal bandwidth.
- Integrated Temperature Sensor: One of the voltage channels can be used to measure the temperature of the die via an internal sensor.
- Digital Interface: The component includes I2C and SPI interfaces for communication with microprocessors or DSPs.
- Compact Package: Available in a 20-lead, Pb-free, wide-body SOIC package.
Applications
- Energy Metering: The ADE7923ARWZ is designed for accurate energy metering applications, including residential and industrial meters.
- Power Monitoring: Suitable for monitoring power quality, including total active, reactive, and apparent powers, and other power metrics.
- Industrial Automation: Can be used in various industrial automation applications requiring precise measurement and data acquisition.
- Smart Grids: Applicable in smart grid systems for real-time power monitoring and management.
Q & A
- What is the primary function of the ADE7923ARWZ?
The primary function of the ADE7923ARWZ is to perform precise analog-to-digital conversion for energy metering and power monitoring applications.
- How many ADC channels does the ADE7923ARWZ have?
The ADE7923ARWZ has three ADC channels.
- What is the resolution of the ADC in the ADE7923ARWZ?
The resolution of the ADC is 24 bits.
- What are the supported data interfaces for the ADE7923ARWZ?
The device supports I2C and SPI interfaces.
- What is the operating temperature range of the ADE7923ARWZ?
The operating temperature range is -40°C to +85°C.
- Does the ADE7923ARWZ include an internal temperature sensor?
Yes, one of the voltage channels can be used to measure the temperature of the die via an internal sensor.
- What is the signal-to-noise ratio (SNR) of the ADE7923ARWZ?
The SNR is 75 dB for voltage channels and 67 dB for the current channel over a 3.3 kHz signal bandwidth.
- In what package is the ADE7923ARWZ available?
The device is available in a 20-lead, Pb-free, wide-body SOIC package.
- Is the ADE7923ARWZ isolated or non-isolated?
The ADE7923ARWZ is a non-isolated version.
- What are some common applications of the ADE7923ARWZ?
Common applications include energy metering, power monitoring, industrial automation, and smart grid systems.
